2-METHOXYETHANOL (METHYL CELLOSOLVE)†
Chemical Identification | |
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CAS # | 109-86-4 |
Formula |
C₃H₈O₂ |
Synonyms |
ethylene glycol monomethyl ether; EGME; glycol monomethyl ether; 2-methoxyethanol; methyl cellosolve |
Physical Properties | |||
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Physical description | Colorless liquid with a mild, ether-like odor. | ||
Boiling point | 256°F | Molecular weight | 76.1 |
Freezing point/melting point | -121°F | Vapor pressure | 6 mmHg |
Flash point | 102°F | Vapor density | |
Specific gravity | 0.96 | Ionization potential | 9.60 eV |
Lower explosive limit (LEL) | 1.8% | Upper explosive limit (UEL) | 14% |
NFPA health rating | 1 | NFPA fire rating | 2 |
NFPA reactivity rating | 1 | NFPA special instruction | |
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Monitoring Methods Used by OSHA | ||||||
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Analyte code (IMIS no.) | 0590 | |||||
Sampling group | ||||||
Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | |||||
Sampling time* | ||||||
Sampling volume (TWA)* | 10 L |
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Sampling flow rate (TWA)* | 0.1 L/min |
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Sampling volume (STEL/Peak/C)* |
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Sampling flow rate (STEL/Peak/C)* | ||||||
Analytical method instruments | GC-FID | |||||
Method reference | OSHA 53 (fully validated) | |||||
Notes | ||||||
Special requirements |
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* 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 | |
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Sampler/Sampling media |
Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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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 |
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PEL-TWA |
25 ppm (80 mg/m³) |
REL-TWA |
0.1 ppm (0.3 mg/m³) |
TLV-TWA |
0.1 ppm [2005] |
PEL-TWA |
5 ppm (16 mg/m³) |
PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Notes: |
Notes:
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Notes:
BEI® |
Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
200 ppm |
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Carcinogenic classifications: |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Ethylene glycol monomethyl ether NIOSH: Pocket Guide to Chemical Hazards - Methyl Cellosolve Literature References
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Last Updated Date : 09/21/2022