HEXYLENE GLYCOL
| Chemical Identification | |
|---|---|
| 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 | |||
|---|---|---|---|
| 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 | ||||||
|---|---|---|---|---|---|---|
| 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 | |
|---|---|
| Sampler/Sampling media |
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| Bulk Method |
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| On-Site Screening Techniques | ||||||
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| Device | ||||||
| Model/Type | ||||||
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Sampling information (see manufacturer instructions) |
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| 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 |
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| PEL-TWA |
|
REL-TWA |
|
TLV-TWA |
25 ppm (vapor fraction) [2016] |
PEL-TWA |
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| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
50 ppm (vapor fraction), 10 mg/mg³ (inhalable particulate matter, aerosol only) [2016] |
PEL-STEL |
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| PEL-C |
|
REL-C |
25 ppm (125 mg/m³) |
TLV-C |
|
PEL-C |
25 ppm (125 mg/m³) |
| Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
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Notes:
Not established |
Notes:
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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