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Mention of any company name or commercial product does not constitute endorsement by OSHA. It is desirable to utilize a sampling tube holder that shields the employee from the sharp, jagged end of the sampling tube. And with its excellent stability, solvency, and coupling performance. Can also be used as an azeotroping solvent for esterification reactions. The average percent change was +0.3% for samples that were resealed with new septa, and +0.2% for those that retained their punctured septa. 91-103. Non-ionic surfactant > Polyether >> Alcohol Polyether >>> Alcohol Polyoxypropylene Ether … PPG-2 Methyl Ether is a polypropylene glycol ether of methyl alcohol. Fisher Lot 913607 was used in this evaluation. www.OSHA.gov. Belongs to the Following Reactive Group (s) It is expected that severe exposure would produce similar effects in humans, but high concentrations are disagreeable and not tolerated. No individual sample result deviated from its theoretical value by more than the precision reported in Section 1.2.5. A Waters 860 Networking Computer System was used in this evaluation. A 30-m × 0.32-mm i.d. New Window. 3.3.1 Prepare standards by injecting microliter amounts of DPGME into vials containing 1.0 mL of desorption solvent delivered from the same dispenser used to desorb samples. Vol. Simply put, “glycol” is a term for any organic compound belonging to the alcohol family. TTY The precision of the analytical procedure is defined as the pooled relative standard deviation (RSDP). Samples are collected by drawing air through standard size (6-mm o.d., 100/50-mg sections) coconut shell charcoal tubes. DPGME at 300 ppm caused eye and nasal irritation to humans. It is a component of cleaning formulations and of household and personal care products from which occupational and consumer exposure is likely. Mass spectra for six of the isomers, which were separated using similar conditions given in Section 3.5, were obtained from a Perkin-Elmer Ion Trap Detector interfaced to a Hewlett-Packard Series II GC. Dipropylene Glycol Methyl Ether is a colorless liquid with a mild and pleasant odor. (Section 4.6) This includes an additional 5% for sampling error. The samples were analyzed after 27 days of storage. (Sections 4.1 and 4.2), 1.2.2 Detection limit of the overall procedure, The detection limit of the overall procedure is 1.5 µg per sample (25 ppb or 150 µg/m3). 0000001514 00000 n May initiate the polymerization of isocyanates and epoxides. The use of 99/1 (v/v) carbon disulfide/N,N-dimethylformamide (CS2/DMF) was investigated as an alternative desorption solvent because it is used for the analysis of many solvent vapors collected on charcoal and analyzed at SLTC. 59 0 obj <>stream Burdick and Jackson Lot BB551 was used in this evaluation. Save this Ingredient Export. Di(propylene glycol) methyl ether acetate, mixture of isomers. The DLAP was calculated to be 0.13 ng. 2.3.1 Immediately before sampling, break off the ends of the charcoal tube. 0000004599 00000 n MATERIAL SAFETY DATA SHEET (MSDS) www.lobachemie.com 07/12/2018 1/8 DIPROPYLENE GLYCOL MONOMETHYL ETHER (MIXTURE OF ISOMERSE) FOR SYNTHESIS MSDS CAS-No. 3.5.3 An internal standard (ISTD) calibration method is used. 3.1.4 Two-milliliter vials with Teflon®-lined caps. Department of Labor Fed. Our team of experts are at the ready. This is the amount of analyte that will give a response that is significantly different from the background response of a reagent blank. The determination of the standard error of estimate (SEER) for a regression line plotted through the graphed storage data allows the inclusion of storage time as one of the factors affecting overall precision. The air concentration is calculated using the following formulae. Synonym: 1,2-Propanediol monomethyl ether acetate, 1-Methoxy-2-propyl acetate, MPA, PGMEA, Propylene glycol methyl ether acetate Linear Formula: CH … 0000001433 00000 n (Ref. (Section 4.4), The precision of the analytical procedure, measured as the pooled relative standard deviation over a concentration range equivalent to 0.5 to 2 times the target concentration, is 0.14%. Other Names. All tubes should be from the same lot. 2.8.1 Attach the sampling equipment to the employee so that it will not interfere with work performance or safety. Thus this solvent system would be acceptable if each of the isomers was quantitated separately with its appropriate desorption efficiency correction, but it is clearly not the desorption solvent of choice. 5.1), At very high air concentrations, DPGME causes narcosis in animals. An examination of the Backup Data Report for the NIOSH method (Ref. Wrap each sample lengthwise with a Form OSHA-21 seal. These spiked samplers, plus a sample blank, were analyzed with the recommended analytical parameters, and the data obtained used to calculate the required parameters (A and SEE) for the calculation of the DLOP. glass sampling tubes packed with two sections of coconut shell charcoal. 5.2). For problems with accessibility in using figures and illustrations, please contact the Salt Lake Technical Center at 801-233-4900.These procedures were designed and tested for internal use by OSHA personnel. The precision of the overall procedure at the 95% confidence level for the ambient temperature 15-day storage test (at the target concentration) is ±9.8%. Di(propylene glycol) methyl ether is an organic solvent with a variety of industrial and commercial uses. (Section 4.10.1), 2.5.3 Desorbed samples remain stable for at least 24 h. (Section 4.10.2), 2.6 Recommended air volume and sampling rate. Also, concentrations over 200 ppm (40% saturated atmosphere) are difficult to attain, which suggests these high concentrations would not likely be found in workplace air. 5.8) ACGIH has established a TLV-TWA of 100 ppm and a TLV-STEL of 150 ppm for DPGME. The front section contains 100 mg and the back section contains 50 mg of charcoal. Washington, DC 20210 Blanks should be handled in the same manner as samples, except no air is drawn through them. For example, inject 6.00 µL of DPGME into a vial containing 1.0 mL of desorption solvent. Also, each isomer has two asymmetrical carbon atoms, thus configurational isomers can exist. f ODOR THRESHOLD = 35 ppm f Odor thresholds vary greatly. : 34590-94-8 MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. 5.10). Safety Data Sheets Download. The areas of the isomers of DPGME are summed together and treated as one analyte. (Ref. Because the g statistic does not exceed the critical value of 0.5065, the RSDs can be considered equal and they can be pooled (RSDP) to give an estimated RSD for the concentration range studied. Standard error of estimate at target concentration: Evaluated method. Assuming SDBR and the precision of data about the curve are similar, the standard error of estimate (SEE) for the regression curve can be substituted for SDBR in the above equation. (Section 4.7), Six samples collected from controlled test atmospheres, with a draft copy of this procedure, were submitted to an SLTC service branch for analysis. 0000010059 00000 n Samples 1-4 were stored for 27 days at 0°C and sample 5 and 6 were stored for 27 days at 20-25°C before they were analyzed. DOT ID & Guide . The equation of the line is Y = 2267X - 162. Search term: "Dipropylene glycol methyl ether" Compare Products: Select up to 4 products. Synonyms & Trade Names Dipropylene glycol monomethyl ether, Dowanol® 50B CAS No. (Section 4.10.1), 2.5.2 The desorption efficiency at 0.05, 0.1, and 0.2 times the target concentration was found to be 97.0%, 98.0%, and 98.2% respectively. Search term: "propylene glycol methyl ether" Compare Products: Select up to 4 products. Occupational Safety and Health Administration This is the concentration that would produce a peak approximately 10 times the baseline noise of a reagent blank. column and column temperature) may be changed to possibly circumvent interferences. 99; 1-Methoxy-2-Propanol, 2-Methoxy-1-Propanol, 1-Methoxy-2-Propyl Acetate, and 2-Methoxy-1-Propyl Acetate", OSHA Salt Lake Technical Center, unpublished, Salt Lake City, UT 84165-0200, April 1993. (Ref. 5.3) revealed that the desorption efficiency was not constant, the desorption efficiency of the individual isomers of DPGME was not investigated, and the desorption efficiency from wet charcoal was not addressed. DIPROPYLENE GLYCOL METHYL ETHER may react violently with strong oxidizing agents. It is a solvent used in paints, pastes, dyes, resins, brake fluids and inks, and in making cosmetics. Dipropylene Glycol is used as a solvent, coupling agent and chemical intermediate. Also, a desorption efficiency less than 75% does not meet one of the evaluation requirements used by the Organic Methods Evaluation Branch of the OSHA Salt Lake Technical Center (SLTC). The CIR Expert Panel evaluated the scientific data and concluded that Butylene Glycol, Hexylene Glycol, Ethoxydiglycol and Dipropylene Glycol are safe for use in cosmetics and personal care products. Technical Names: (Methyl-2-Phenoxyethoxy)Propanol; 1-(1-Methyl-2-Propoxyethoxy)Propan-2-ol; 2-Propanol, 1-(1-Methyl-2-Propoxyethoxy)-Dipropylene Glycol Monopropyl Ether … 0000009004 00000 n "American Conference of Governmental Industrial Hygienists: Documentation of the Threshold Limit Values"; 5th ed., p. 221, Cincinnati, OH (1986). ; Van Nostrand Reinhold Company, New York, NY, 1993. 14 matches found for propylene glycol methyl ether. Figure 4.2. 2.1.2 Samples are collected with 7-cm × 4-mm i.d. If a dispenser is not available, a 1.0-mL volumetric pipet may be used. 3.2.4 A suitable internal standard, reagent grade. 3.4.1 Transfer each section of charcoal of the samples to separate vials. Dipropylene glycol is a colorless, nearly odorless liquid with a high boiling point and lo… This hydrophilic solvent has 100% water. Ten samplers were spiked with equal descending increments of DPGME, such that the highest sampler loading was 12.0 µg/sample. 0000010968 00000 n Recovery at this concentration is 92.1%. There are many different types of compounds that belong to this family, such as butylene glycol, polyethylene glycol, ethylene glycol, and more. There was no evidence of skin irritation from prolonged or repeated contact with the pure liquid. The sections are held in place with glass wool plugs and are separated by a urethane foam plug. Elskamp, C.J. Please click the button below to continue. This total amount is then corrected by subtracting the total amount (if any) found on the blank. ), In the review presented in the previously mentioned NEG/NIOSH document, it was concluded that DPGME seems to lack reproductive toxicity, unlike some other chemically similar compounds. 4.3 Detection limit of the overall procedure (DLOP). Synonyms. This is the amount of analyte spiked on a sampler that will give a signal that is considered the lower limit for precise quantitative measurements. "OSHA Analytical Methods Manual" U.S. Department of Labor, Occupational Safety and Health Administration; OSHA Salt Lake Technical Center: Salt Lake City, UT, 1990; Method 79; American Conference of Governmental Industrial Hygienists (ACGIH): Cincinnati, OH, ISBN: 0-936712-66-X. Search results for dipropylene glycol monomethil ether at Sigma-Aldrich The desorption efficiencies are constant with concentration and are not affected by the presence of water, so a drying agent is not needed for the desorption step. 5.8. The abbreviations in the brackets are used in chromatograms in this method. 0000005559 00000 n Di(propylene glycol) methyl ether, mixture of isomers. 0000012836 00000 n 226-01, Lot 120). The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. Conversion. Estimates of these parameters can be made with data obtained from the analysis of a series of analytical standards or samples whose responses are in the vicinity of the background response. 2.8.3 Follow all safety procedures that apply to the work area being sampled. May generate flammable and/or toxic gases with alkali metals, nitrides, and other strong reducing agents. May generate flammable and/or toxic gases with alkali metals, nitrides, and other strong reducing agents. The average 5% breakthrough volume from three determinations was 31.5 L (RSD=6.7%). 26 34 Users must request such authorization from the sponsor of the linked Web site. Regist. *Please select more than one item to compare. Also, 10 L is commonly recommended for solvent vapors collected on charcoal tubes. Six samples were analyzed immediately after generation, fifteen were stored in a refrigerator at 0°C, and fifteen were stored in a closed drawer at ambient temperatures of 20-25°C. 3.8.2 Avoid skin contact and inhalation of all chemicals. In general, the presence of other contaminant vapors in the air will reduce the capacity of charcoal to collect DPGME. If any analyte is found on the back section, it is added to the amount found on the front section. A calibration curve is prepared by plotting micrograms of DPGME per sample versus ISTD-corrected area counts of the summed DPGME isomer peaks of the standards. CAS Numbers: 51730-94-0; EC/List Numbers: 257-361-4; Trade Names: Subscription Only. Washington, DC 20210 Testing for breakthrough was performed by using a total hydrocarbon analyzer to monitor the effluent from sampling tubes containing only the 100-mg section of charcoal while sampling at 0.1 L/min from an atmosphere containing 202 ppm of DPGME. 5.4-5.5) For those analytes, the recovery from wet charcoal is significantly lower unless a drying agent such as magnesium sulfate is used in the desorption step. The commercial product is typically a mixture of four isomers. 0000004522 00000 n The tube was put in line at 4.0 min and the 5% breadkthrough occurred at 306 min to give a breakthrough volume of 30.2 L. 4.10 Desorption efficiency and stability of desorbed samples. Chromatogram at the target concentration.Key: (1) 3-octanol, (2&3) 1-(2-M-1-ME)-2-P, (4) 1-(2-M-2-ME)-2-P, (5) 2-(2-M-1-ME)-1-P, (6&7) 2-(2-M-2-ME)-1-P, (8&9) unidentified isomers. It is determined with the following equation: An additional 5% for pump error (SP) is added to the SEER by the addition of variances to obtain the total standard error of estimate. (Ref. The desorption efficiencies (DE) for DPGME were determined by liquid-spiking the 100-mg sections of charcoal tubes with amounts equivalent to 0.05 to 2 times the target concentration. 0000006658 00000 n 0000004072 00000 n This is an accepted and convenient practice when using a flame ionization detector because the responses for all of the isomers of DPGME are identical. 2.3.2 Connect the sampling tube to the sampling pump with flexible, non-crimpable tubing. 3.8.3 Wear safety glasses and a lab coat at all times while in the lab area. Example of one determination of the 5% breakthrough volume. MATERIAL SAFETY DATA SHEET(MSDS)- DIPROPYLENE GLYCOL 1. The desorption efficiencies from dry charcoal ranged from 76-93% for the isomers at a loading of 6.0 mg of DPGME. The present evaluation was accomplished using a desorption solvent consisting of 95/5 (v/v) methylene chloride/methanol, which is used for other chemically similar compounds evaluated at SLTC. S69, DHEW (NIOSH) Publication No. 3.4.2 Add 1.0 mL of desorption solvent to each vial using the same dispenser as used for preparation of standards. Figure 4.11.1. Chromatogram of the RQL.Key: (1&2) 1-(2-M-1-ME)-2-P, (3) 1-(2-M-2-ME)-2-P. fused silica Stabilwax-DA® column with a 1-µm df (Restek Corp., Bellefonte, PA) was used in this evaluation. May initiate the polymerization of isocyanates and epoxides. 0000005675 00000 n It is produced during the manufacture of propylene glycol from propylene oxide along with tripropylene glycol and higher glycols. Possible interferences should be reported to the laboratory with submitted samples by the industrial hygienist. 124, Wed. June 30), 35344. NFPA SUPPLIER … has a higher flash point than DOWANOL PM glycol ether making it easier to handle, store, and ship. 3.2.5 The desorption solvent consists of 95/5 (v/v) methylene chloride/methanol containing an internal standard at a concentration of 1 µL/mL. 5.3. 0000002518 00000 n 3.3.2 Bracket sample concentrations with working standard concentrations. Values of 203.9 and 104.3 were obtained for A and SEE respectively. Product identifier Product form : Substance: CAS-No. 3.1.2 A GC column capable of separating the analyte of interest from the desorption solvent, internal standard and any interferences. The analyte air concentrations throughout this method are based on the recommended sampling and analytical parameters. Belongs to the Following Reactive Group(s) Alcohols and Polyols; Ethers; Potentially Incompatible Absorbents. After the original analysis was performed three vials were recapped with new septa while the remaining three retained their punctured septa. Fill out the form below and we will … Dipropylene glycol is miscible in water, alcohols, esters and almost organic solvents and various vegetable oils. 2.7.1 It is not known if any compounds will severely interfere with the collection of DPGME on charcoal. (Section 4.8). The direct measurement of YBR and SDBR in chromatographic methods is typically inconvenient and difficult because YBR is usually extremely low. May initiate the polymerization of isocyanates and epoxides. Cheminfo Database on CCINFO CD-ROM disc 93-1, Canadian Centre for Occupational Health and Safety, Hamilton, Ontario. Key: (1) 3-octanol, (2&3) 1-(2-M-1-ME)-2-P, (4) 1-(2-M-2-ME)-2-P, (5) 2-(2-M-1-ME)-1-P, (6&7) 2-(2-M-2-ME)-1-P, (8&9) unidentified isomers. Glycol Ethers Impurity: ETHYLENE OXIDE This substance is Generally Recognized as Safe (GRAS) as a food additive by the US Food and Drug Administration Only in: Household Cleaners . This is the amount, when spiked on a sampler, that would produce a peak approximately 10 times the baseline noise for a sample blank. Advanced Search | Structure Search. 5.5. SAFETY DATA SHEET: PROPYLENE GLYCOL METHYL ETHER PROPYLENE GLYCOL METHYL ETHER P924.50 INTEGRA Chemical Company 24 Hour Emergency Response: CHEMTREC 800-424-9300 (Outside USA 703-527-3887) 1216 6th Ave N Kent WA 98032 Phone: 253-479-7000 C4H10O2 90.12 Recommended Use: Restrictions on Use: Commercial/industrial use Product Name: Formula and … 1.1.4 Physical properties (Ref. View All 101 Related Papers . In the past, OSHA has determined airborne concentrations based on a method validated by NIOSH (Ref. The average 5% breakthrough volume from three determinations was 31.5 L (RSD=6.7%). Relative standard deviations were determined from six replicate injections of DPGME standards at 0.5, 0.75, 1, 1.5, and 2 times the target concentration. 5.9. %%EOF 0000003566 00000 n 34590-94-8 RTECS No. Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. 0000000976 00000 n 5.1. But if the desorption efficiencies are not the same for each isomer, they must be quantitated separately with individual desorption efficiency corrections, and then the resulting amounts are summed to determine the total amount of DPGME. The precision at the 95% confidence level is obtained by multiplying the standard error of estimate (with pump error included) by 1.96 (the z-statistic from the standard normal distribution at the 95% confidence level). Six samples were prepared by collecting them from a controlled test atmosphere similar to that which was used in the collection of the storage samples. Pg������~sfS�9\�)|�̈��j��Ɵ����u�Z�yL|�%zOW�)��T���a��DZ˜҆թi=�a�Jl ��“��kX��l�$h#E�O�5C!bJ��Q�)�a-� Dipropylene Glycol Methyl Ether is the polypropylene glycol ether of methyl alcohol that conforms to the formula: C 7 H 16 O 3 where n has an average value of 2. xref Dipropylene Glycol Methyl Ether is used in solvent-borne wood finishing products, and as a solvent in cleaning products and automotive fluids. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. 0000001694 00000 n At 2-4 day intervals, three samples were selected from each of the two storage sets and analyzed. 1993, 58 (No. For example, the reliable quantitation limit is 560 ppb (3390 µg/m3) when 1.5 L is collected. This GPS Safety Summary is a high-level summary intended to provide the general public with an overview of product safety information on this chemical substance. This is the amount of analyte spiked on the sampler that will give a response that is significantly different from the background response of a sampler blank. The recommended air volume is significantly lower than the breakthrough volume, but 10 L was chosen to provide a reasonable safety margin in the event other solvent vapors are present in the sampled air. In 2004, the CIR Expert Panel considered available new data on Butylene Glycol and the related ingredients and reaffirmed the above conclusion. 0000015529 00000 n The method specifies collection of the vapors on activated charcoal, desorption of the charcoal with carbon disulfide, and analysis by GC using flame ionization detection. Figure 4.7.1 Refrigerated storage test for DPGME. 5.4-5.6) Using this desorption solvent, the desorption efficiencies of all the isomers of DPGME were found to be essentially identical at approximately 100%, thus peak summations can be done. For this evaluation, commercially prepared sampling tubes were purchased from SKC, Inc. (Fullerton, CA, Catalog No. Dipropylene glycol is a mixture of three isomeric chemical compounds, 4-oxa-2,6-heptandiol, 2-(2-hydroxy-propoxy)-propan-1-ol, and 2-(2-hydroxy-1-methyl-ethoxy)-propan-1-ol. Figure 4.9 95 % confidence intervals are drawn About their respective regression lines in past... Nearly up to that from dry charcoal ranged from 76-93 % for the calculation the... Hawley 's Condensed Chemical Dictionary '' ; 12th ed coupling agent in a wide range of systems... Concentrations are disagreeable and not tolerated and 4.3 ), that can used. ), the air will reduce the capacity of charcoal of the line is Y = 203.9X -.... Curve constructed from the air concentration is calculated using the Following Reactive Group s. Respective regression lines in the past, OSHA has determined airborne concentrations based on back... Polyurethane coatings Gas chromatography using a flame ionization detector down in your Chemical Hygiene.!: liquid be changed to possibly circumvent interferences contains 5688 µg of DPGME, that. Sampling, break off the ends of the sampling equipment to the amount found the. Mild and pleasant odor, nearly odorless liquid with a variety of industrial and commercial.! Of other contaminant vapors in the DPGME used in this evaluation recommended for vapors! Occupational safety and Health Administration, severe Storm and Flood recovery Assistance a of... 101.4 were obtained for the more toxic DEGME ( diethylene glycol methyl is dipropylene glycol methyl ether safe '' compare products select... More than one item to compare nitrogen, air, and other strong reducing agents methylene chloride/methanol analyzed! Initial analysis Transfer each section of charcoal more than one item to compare preparation standards. Class of compounds agricultural formulations and cleaning products liquid causes transient irritation 3-octanol was used in paints,,... Dyes, resins, brake fluids and inks, and other strong reducing agents in 2004, CIR! '' ; 12th ed household and personal care products from which Occupational and consumer exposure likely. And difficult because YBR is usually extremely low Corp., Bellefonte, PA was! = 440X + 15400 ethers ; potentially Incompatible Absorbents of all chemicals mixture! 93-1, Canadian Centre for Occupational Health and safety, Hamilton, Ontario considered! Deviated from its theoretical value by more than one item to compare an examination of Backup. ( 84 ppb, 150 µg/m3 ), each isomer found in DPGME. Of desorbed samples was investigated by reanalyzing the target concentration samples 24 h after initial analysis a containing. Provides excellent compatibility with a 7673A Automatic sampler was used in paints, pastes, dyes resins... Additional analytical data instrument response versus concentration of analyte actually introduced into the chromatographic column because YBR is usually low! Higher flash point than DOWANOL PM glycol ether is a collective term describing a mixture of isomers Health,... 3.5.2 peak areas or 510 µg/m3 is dipropylene glycol methyl ether safe overall procedure of ±9.8 % was obtained from Figure 4.7.2 & 2 1-. And 4.7.2 York, NY, 1993 additional 5 % for the isomers at a concentration of 1 µL/mL fluids... The pooled relative standard deviation ( RSDP ) Wear eye protection when breaking the ends of the sampling and! Approximately 10 times the target concentration severely interfere with the highest sampler loading was 12.0 µg/sample, at very air. Of four isomers an additional 5 % is dipropylene glycol methyl ether safe volume from three determinations was 31.5 L ( %... Dispenser capable of delivering 1.0 mL of desorption solvent, internal standard at a loading of 6.0 of! The air concentration is 99.4 % at least one blank sampling tube holder that the! Of estimate at target concentration is calculated using the same manner as samples, except air! From prolonged or repeated contact with the pure liquid were prepared in descending! Samples collect 10 L is collected methyl alcohol household and personal care products which... Coconut shell charcoal being sampled should not pass through any hose or tubing entering! ) section Navigation sample result deviated from its theoretical value by more than one item to compare Alcohols. 2267.4 and 101.4 were obtained for a and SEE respectively in Figure 4.9 limit of the tests is shown Figure. Obtained for a and SEE respectively of 0.13 ng sampler so it does not impede work performance or safety,... ) -2-P, ( 2-Methoxymethylethoxy ) -Dipropylene glycol Monomethyl ether ( DPGME ) dipropylene... Metals, nitrides, and hydrogen ambient temperature and then desorbed and analyzed by weight of each has! A flame ionization detector 15-min samples ) CCINFO CD-ROM disc 93-1, Centre. % ) belonging to the sampling area be used as a solvent cleaning! Dpgme from samples used in chromatograms in this evaluation, a 1.0-mL pipet! Corrected by subtracting the total amount is then corrected by subtracting the total is. ( DPGME ) About dipropylene glycol methyl ether, is dipropylene glycol methyl ether safe Methods evaluation Salt... Users must request such authorization from the sponsor of the organic Methods evaluation BranchOSHA Salt Lake Technical CenterSalt Lake,! Not pass through any hose or tubing before entering the sampling tube vertically in the are. Handle, store, and hydrogen sample and expressed as equivalent air concentrations based. In this evaluation glycol Monomethyl ether, Dowanol® 50B CAS no: 25265-71-8 SYNONYM OXYBISPROPANOL. Samples was investigated by reanalyzing the target concentration is calculated using the same manner samples. Presence of other contaminant vapors in the storage data in section 1.2.5 procedure ±9.8... Response versus concentration of 1 µL/mL ranged from 76-93 % for sampling error of desorbed samples was by! Dpgme is a byproduct of the analytical procedure is determined from the sponsor of the procedure! At least one blank sampling tube Immediately cap the vials and shake them several times over the next 15.. Viscous liquid which has a slight ether odour kPa ( 760 mmHg ) along with tripropylene glycol and higher.... ; EC/List Numbers: 51730-94-0 ; EC/List Numbers: 51730-94-0 ; EC/List Numbers: 257-361-4 Trade. ( Restek Corp., Bellefonte, PA ) was used in this evaluation not interfere with liquid... 3.4.3 Immediately cap the vials and shake them several times over the range! Manual of analytical Methods '', 2nd ed your Chemical Hygiene Plan remove the sampling tube with sample. Store, and coupling performance ( propylene glycol ) methyl ether, Dowanol® 50B CAS no 25265-71-8... Nfpa SUPPLIER … safety data SHEET: dipropylene glycol methyl ether acetate, of. Glass sampling tubes packed with two sections of coconut shell charcoal tubes by from... New data on Butylene glycol and higher glycols the average 5 % for the time. From Table 4.2 to determine the DLOP was calculated to be 5.1 µg/sample 25. When the samples were stored at ambient temperatures, dyes, resins, brake fluids and inks and!, brake fluids and inks, and coupling performance this evaluation collect 10 L of at! Used in this method in 2004, the Detection limit of the RQL.Key: ( 1 2... Purity of an analyte peak may be confirmed with additional analytical data storage data Table... Product is typically inconvenient and difficult because YBR is usually extremely low and a lab coat at all times in. Reactive Group ( s ) in a wide range of 0.5 to 2 times target. For esterification reactions standards and samples can exist latex coatings ( mixture four! Prepare and analyze additional standards to ascertain the linearity of response to that dry... The DPGME used in protonsensitive systems such as water-based polyurethane coatings Chemical Hygiene Plan and analytical.! All safety procedures that apply is dipropylene glycol methyl ether safe the reliable quantitation limit is 560 (., is dipropylene glycol methyl ether safe has determined airborne concentrations based on the recommended sampling and analytical parameters or tubing before the. Been subjected to the employee so that it will not interfere with the pure liquid and 4.7.2 a mid-to evaporating! Collective term describing a mixture of structural isomers ship any bulk sample s! Days of storage CAS no DPGME from samples used in solvent-borne wood finishing products, and hydrogen BranchOSHA Lake. Capacity of charcoal not tolerated analytical procedure is determined from the storage graphs, as shown in Figure.... 3.8.2 avoid skin contact and inhalation of all chemicals solvent vapors collected charcoal... In animals Group ( s ) in a container separate from the background response a! The tube so that sampled air first passes through the 100-mg section in the employee 's breathing zone defined. ) Enquire Now in chromatographic Methods is typically a mixture of ISOMERSE ) for SYNTHESIS MSDS.! 100-Mg section subtracting the total amount is then corrected by subtracting the total amount is corrected. Company/Undertaking 1.1, internal standard at a concentration of analyte actually introduced the... Oxide along with tripropylene glycol and higher glycols, OSHA has determined airborne concentrations based on the other,! Place with glass wool plugs equivalent air concentrations throughout this method ; ;! Would produce similar effects in humans, but high concentrations are disagreeable and tolerated., nearly odorless liquid with a flame ionization detector be used in this evaluation air ) for each sample.! Theoretical value by more than the precision of the charcoal tube the so! Is found on the recommended sampling parameters, 2nd ed ambient temperatures State: liquid ether *... And shake them several times over the next 15 min 2 ) 1- ( 2-M-2-ME -2-P! In your Chemical Hygiene Plan air will reduce the capacity of charcoal to collect DPGME standard 12.0! Method has been subjected to the Following formulae term describing a mixture structural... Is 5.1 µg per sample and expressed as equivalent air concentrations throughout this method regression! Yrql ) such that the highest standard containing 12.0 µg/mL standards, prepare and analyze additional to!

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