Agent Name |
Octane |
CAS Number |
111-65-9 |
Formula |
C8-H18 |
Major Category |
Solvents |
Synonyms |
n-Octane; normal-Octane; [NIOSH] UN1262 |
Category |
Aliphatics, Saturated |
Description |
Colorless liquid with a gasoline-like odor; [NIOSH] |
Sources/Uses |
Used as a solvent and chemical raw material; Used as an antiknock agent in fuels for internal combustion engines; [HSDB] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
TLV (ACGIH) |
300 ppm |
PEL (OSHA) |
500 ppm |
MAK |
500 ppm |
IDLH (NIOSH) |
1000 ppm |
Excerpts from Documentation for IDLHs |
Human data: The narcotic concentration has been estimated to be either 8,000 ppm [Flury and Zernik 1931] or 10,000 ppm [Patty and Yant 1929]. The fatal concentration has been estimated to be 13,500 ppm [Flury and Zernik 1931]. |
Vapor Pressure |
14.1 mm Hg |
Odor Threshold Low |
15 ppm |
Odor Threshold High |
235 ppm |
Lethal Concentration |
LC50 (rats) = 118,000 mg/m3/4h |
Explanatory Notes |
IDLH = 10% LEL (lower explosive limit); Detection odor threshold from AIHA (mean = 150 ppm); Flash point = 13 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-OCTANE
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