BUTENES (ALL ISOMERS)
CAS # | 25167-67-3 |
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Formula |
Varies |
Synonyms |
Physical description | An easily liquified colorless gas. | ||
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Boiling point | Molecular weight | ||
Freezing point/melting point | Vapor pressure | ||
Flash point | Vapor density | ||
Specific gravity | Ionization potential | ||
Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
NFPA health rating | NFPA fire rating | ||
NFPA reactivity rating | NFPA special instruction | ||
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Analyte code (IMIS no.) | B595 | ||
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Sampling group | |||
Sampler/Sampling media | |||
Sampling time* | |||
Sampling volume (TWA)* | |||
Sampling flow rate (TWA)* | |||
Sampling volume (STEL/Peak/C)* | |||
Sampling flow rate (STEL/Peak/C)* | |||
Analytical method instruments | |||
Method reference | |||
Notes | OSHA staff only, please contact SLTC at 801-233-5100 |
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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 Sampler/Sampling media | |
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Bulk Method |
Device | |||||
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Model/Type | |||||
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 | REL-TWA | TLV-TWA |
250 ppm [2007] |
PEL-TWA | |||
PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
PEL-C | REL-C | TLV-C | PEL-C | ||||
Skin notation |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
NA |
Notes:
Not established |
Notes:
Not established |
Notes: |
Notes:
Not established |
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Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: TLV-A4 (isobutene) | Notes: | ||||||
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: |
Additional Resources and Literature References
NOAA: CAMEO Chemicals - Butylene NIOSH: Pocket Guide to Chemical Hazards - Butylene Literature References
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Last Updated Date : 01/24/2024