HEXYLENE GLYCOL
Chemical Identification | |
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CAS # | 107-41-5 |
Formula |
C₆H₁₄O₂ |
Synonyms |
2,4-dihydroxy-2-methylpentane; 2-methyl-2,4-pentanediol; 4-methyl-2,4-pentanediol; 2-methylpentane-2,4-diol |
Physical Properties | |||
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Physical description | Colorless liquid with a mild, sweetish odor. | ||
Boiling point | 388°F | Molecular weight | 118.2 |
Freezing point/melting point | -58°F (sets to glass) | Vapor pressure | 0.05 mmHg |
Flash point | 209°F | Vapor density | |
Specific gravity | 0.923 | Ionization potential | |
Lower explosive limit (LEL) | 1.3% (calc) | Upper explosive limit (UEL) | 8.1% (calc) |
NFPA health rating | 2 | NFPA fire rating | 1 |
NFPA reactivity rating | 0 | 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.) | 1389 | |||||
Sampling group | ||||||
Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | |||||
Sampling time* | 15 min minimum |
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Sampling volume (TWA)* | 3 L |
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Sampling flow rate (TWA)* | 0.2 L/min |
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Sampling volume (STEL/Peak/C)* | ||||||
Sampling flow rate (STEL/Peak/C)* | ||||||
Analytical method instruments | GC-FID | |||||
Method reference | OSHA PV2101 (partially 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 | |
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Sampler/Sampling media |
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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 |
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REL-TWA |
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TLV-TWA |
25 ppm (vapor fraction) [2016] |
PEL-TWA |
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PEL-STEL |
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REL-STEL |
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TLV-STEL |
50 ppm (vapor fraction), 10 mg/mg³ (inhalable particulate matter, aerosol only) [2016] |
PEL-STEL |
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PEL-C |
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REL-C |
25 ppm (125 mg/m³) |
TLV-C |
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PEL-C |
25 ppm (125 mg/m³) |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes:
Not established |
Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: Not listed |
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 - Hexylene glycol NIOSH: Pocket Guide to Chemical Hazards - Hexylene glycol Literature References
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Last Updated Date : 12/31/2020