Agent Name |
n-Butyl alcohol |
Alternative Name |
n-Butanol |
CAS Number |
71-36-3 |
Formula |
C4-H10-O |
Major Category |
Solvents |
Synonyms |
1-Butanol; 1-Butyl alcohol; 1-Hydroxybutane; Alcool butylique [French]; Butanol; Butanol [French]; Butanolen [Dutch]; Butanolo [Italian]; Butyl alcohol; Butyl alcohol (natural); Butyl hydroxide; Butylowy alkohol [Polish]; Butyric alcohol; Butyric or normal primary butyl alcohol; CCS 203; Hemostyp; Methylolpropane; Normal primary butyl alcohol; Propylcarbinol; Propylmethanol; n-Butan-1-ol; n-Butanol; [ChemIDplus] |
Category |
Alcohols and Polyols |
Description |
Colorless liquid with a strong, characteristic, mildly alcoholic odor; [NIOSH] |
Sources/Uses |
Used as a solvent and chemical intermediate; [ACGIH] |
Comments |
A skin, eye, and respiratory tract irritant; Inhalation of high concentrations can cause CNS depression; [ICSC] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
TLV (ACGIH) |
20 ppm |
PEL (OSHA) |
100 ppm |
MAK |
100 ppm |
IDLH (NIOSH) |
1400 ppm |
Excerpts from Documentation for IDLHs |
Basis for original (SCP) IDLH: The chosen IDLH is conservative, but the only data available on which to base the IDLH is the statement by Patty [1963] that Smyth [1956] found rats survived when exposed for 4 hours to 8,000 ppm. The IDLH for isobutyl alcohol is also 8,000 ppm. . . . Human data: It has been reported that corneal irritation was occasionally observed in workers exposed to 200 ppm [Sterner et al. 1949]. |
Vapor Pressure |
6 mm Hg |
Odor Threshold Low |
0.12 ppm |
Odor Threshold High |
11 ppm |
RD50 |
4784 ppm |
Lethal Concentration |
LC50 (rats) = 8,000 ppm/4H |
Explanatory Notes |
IDLH is 10% LEL (lower explosive limit); Detection odor threshold from AIHA (mean = 1.2 ppm); Flash point = 37 deg C; |
Flammability (NFPA) |
3: may ignite at ambient temperature |
Adverse Effects |
Neurotoxin |
CNS Solvent Syndrome |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: N-BUTYL ALCOHOL
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