DIPROPYLENE GLYCOL METHYL ETHER ((2-METHOXYMETHYLETHOXY)PROPANOL)†

Chemical Identification
Chemical Identification
CAS # 34590-94-8
Formula

C₇H₁₆O₃

Synonyms

dipropylene glycol monomethyl ether; (2-methoxymethylethoxy)propanol; bis-(2-methoxypropyl) ether

Physical Properties
Physical Properties
Physical description Colorless liquid with a mild, ether-like odor.
Boiling point 408°F Molecular weight 148.2
Freezing point/melting point -112°F Vapor pressure 0.5 mmHg
Flash point 166°F Vapor density 5.11
Specific gravity 0.95 Ionization potential
Lower explosive limit (LEL) 1.1% at 392°F Upper explosive limit (UEL) 3%
NFPA health rating 2 NFPA fire rating 2
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1014
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

100 min

Sampling volume (TWA)*

10 L

Sampling flow rate (TWA)*

0.1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA 101 (fully validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

100 ppm (600 mg/m³)

REL-TWA

100 ppm (600 mg/m³)

TLV-TWA

100 ppm [1979]

PEL-TWA

100 ppm (600 mg/m³)

PEL-STEL REL-STEL

150 ppm (900 mg/m³)

TLV-STEL

150 ppm [1979]

PEL-STEL

150 ppm (900 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

Y

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH

600 ppm

Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Dipropylene glycol methyl ether

NIOSH: Pocket Guide to Chemical Hazards - Dipropylene glycol methyl ether

Literature References

  • ACGIH: Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - (2-Methoxymethylethoxy)propanol. See annual publication for most recent information.
  • Ballantyne, B.: Local ophthalmic effects of dipropylene glycol monomethyl ether. J. Toxicol. Cut. Ocular Toxicol. 2(4-5): 229-242, 1984.
  • Laitinen, J., Liesivuori, J., and Harvima, R.: Evaluation of exposure to 1-alkoxy-2-propanols and 1-(2-methoxy-1-methylethoxy)-2-propanol by the analysis of the parent compounds in urine. Toxicol. Lett. 162(2-3): 186-194, 2006.
  • NIOSH: Occupational Health Guideline for Dipropylene Glycol Methyl Ether. 1978.
  • NIOSH/IPCS: International Chemical Safety Cards - Dipropyleneglycol Monomethylether. October 20, 1999.
  • Venier, M., Adami, G., Larese, F., Maina, G., and Renzi, N.: Percutaneous absorption of 5 glycol ethers through human skin in vitro. Toxicol. In Vitro 18(5): 665-671, 2004.

Last Updated Date : 12/28/2020