ISOBUTYL NITRITE
| CAS # | 542-56-3 |
|---|---|
| Formula |
C₄H₉NO₂ |
| Synonyms |
nitrous acid isobutyl ester; nitrous acid, 2-methylpropyl ester; Blackjack |
| Physical description | Clear colorless to pale yellow liquid. | ||
|---|---|---|---|
| Boiling point | 154.4°F | Molecular weight | 103.12 |
| Freezing point/melting point | Vapor pressure | 10 mmHg | |
| Flash point | -10°F | Vapor density | >1 |
| Specific gravity | 0.87 at 72°F | Ionization potential | |
| Lower explosive limit (LEL) | 1.2% at 70°F | Upper explosive limit (UEL) | 26.9% at 70°F |
| 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.) | |||
|---|---|---|---|
| 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 | |||
| 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 | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| 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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA | REL-TWA | TLV-TWA | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C |
1 ppm [2000] |
PEL-C | |||
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
NA |
|
Notes:
Not established |
Notes:
Not established |
Notes:
BEI® |
Notes:
Not established |
||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: TLV-A3 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Isobutyl nitrite NIOSH: Pocket Guide to Chemical Hazards - Isobutyl nitrite Literature References
|
Last Updated Date : 12/31/2020