ISOAMYL ALCOHOL†
| CAS # | 123-51-3 |
|---|---|
| Formula |
C₅H₁₂O |
| Synonyms |
fermentation amyl alcohol; fusel oil; isobutyl carbinol; isopentyl alcohol; 3-methyl-1-butanol; primary isoamyl alcohol |
| Physical description | Colorless liquid with a disagreeable odor. | ||
|---|---|---|---|
| Boiling point | 270°F | Molecular weight | 88.15 |
| Freezing point/melting point | -179°F | Vapor pressure | 28 mmHg |
| Flash point | 114°F | Vapor density | |
| Specific gravity | 0.81 at 68°F | Ionization potential | |
| Lower explosive limit (LEL) | 1.2% at 212°F | Upper explosive limit (UEL) | 9% at 212°F |
| 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.) | 1532 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 1-10 L |
||
| Sampling flow rate (TWA)* | 0.01-0.2 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-FID | ||
| Method reference | NIOSH 1402 (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 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 |
100 ppm (360 mg/m³) |
REL-TWA |
100 ppm (360 mg/m³) |
TLV-TWA |
100 ppm [1990] |
PEL-TWA |
100 ppm (360 mg/m³) |
| PEL-STEL | REL-STEL |
125 ppm (450 mg/m³) |
TLV-STEL |
125 ppm [1990] |
PEL-STEL |
125 ppm (450 mg/m³) |
|
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: | Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
500 ppm |
|||||
| Carcinogenic classifications: Not listed | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Isoamyl alcohol NIOSH: Pocket Guide to Chemical Hazards - Isoamyl alcohol (primary) Literature References
|
Last Updated Date : 12/31/2020