Agent Name |
Isoamyl alcohol |
CAS Number |
123-51-3 |
Formula |
C5-H12-O |
Major Category |
Solvents |
Synonyms |
1-Butanol, 3-methyl-; 2-Methyl-4-butanol; 3-Methylbutan-1-ol; 3-Methylbutanol; 3-Metil-butanolo [Italian]; Alcool amilico [Italian]; Alcool isoamylique [French]; Amylowy alkohol [Polish]; Fermentation amyl alcohol; Fusel Oil; ISOAMYLALCOHOL; Iso-amylalkohol [German]; Isoamyl alcohol (natural); Isoamyl alkohol [Czech]; Isoamylol; Isobutyl carbinol; Isobutylcarbinol; Isopentanol; Isopentyl alcohol; Primary isoamyl alcohol; [ChemIDplus]l |
Category |
Alcohols and Polyols |
Description |
Colorless liquid with a disagreeable odor; [NIOSH] |
Sources/Uses |
Used as a solvent, paint stripper, and intermediate in the photographic and pharmaceutical industries; [ACGIH] |
Comments |
Rabbits become stuporous after an oral dose of 0.7 g/kg. [ACGIH] A skin, eye, and respiratory tract irritant; May have effects on the CNS if ingested; [ICSC] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
TLV (ACGIH) |
100 ppm |
STEL (ACGIH) |
125 ppm |
PEL (OSHA) |
100 ppm |
MAK |
20 ppm |
IDLH (NIOSH) |
500 ppm |
Excerpts from Documentation for IDLHs |
An oral dose of 24.3 grams has been lethal for adults [Gosselin et al. 1984]. [Note: An oral dose of 24.3 grams is equivalent to a worker being exposed to 4,000 ppm for 30 minutes, assuming a breathing rate of 50 liters per minute and 100% absorption.] |
Vapor Pressure |
2.37 mm Hg |
Odor Threshold Low |
0.02 ppm |
Odor Threshold High |
0.07 ppm |
RD50 |
4452 ppm |
Explanatory Notes |
Odor threshold from AIHA; Flash point = 43 deg C; |
Flammability (NFPA) |
2: high ambient temperature required |
Adverse Effects |
Neurotoxin |
CNS Solvent Syndrome |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: ISOAMYL ALCOHOL
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