1,2-EPOXYETHYLBENZENE
| CAS # | 96-09-3 |
|---|---|
| Formula |
C₈H₈O |
| Synonyms |
styrene-7,8-oxide; styrene oxide; phenethylene oxide; styrene epoxide |
| Physical description | Clear colorless straw-colored liquid with a sweet pleasant odor. | ||
|---|---|---|---|
| Boiling point | 381°F | Molecular weight | 120.15 |
| Freezing point/melting point | -35°F | Vapor pressure | 0.3 mmHg |
| Flash point | 175°F | Vapor density | 4.14 |
| Specific gravity | 1.0523 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 1 | NFPA fire rating | 2 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
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| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* |
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| Sampling volume (TWA)* |
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| Sampling flow rate (TWA)* |
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| Sampling volume (STEL/Peak/C)* |
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| Sampling flow rate (STEL/Peak/C)* |
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| Analytical method instruments | |||
| Method reference | |||
| Notes |
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| 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 Sampler/Sampling media |
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|---|---|
| Bulk Method |
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| Device | |||||
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| Model/Type | |||||
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Sampling information (see manufacturer instructions) |
|
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 |
1 ppm (4.9 mg/m³) [2020] |
PEL-TWA |
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| 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 |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
NA |
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Notes:
Not established |
Notes:
Not established |
Notes:
dermal sensitization (DSEN) |
Notes:
Not established |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: NTP-R, IARC-2A, TLV-A3 |
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 - Styrene oxide NIOSH: Pocket Guide to Chemical Hazards - Styrene oxide Literature References
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Last Updated Date : 05/17/2022