Synonyms
1,1,2-Trimethylethane; 2-Methylbutane; Butane, 2-methyl-; Dimethylethylmethane; Ethyldimethylmethane; Isoamylhydride; Isopentane; [ChemIDplus]
Category
Aliphatics, Saturated (<C12)
Description
Colorless liquid with a pleasant, gasoline-like odor; [HSDB]
Sources/Uses
Used as a chemical intermediate, a blowing agent for polystyrene, a gasoline additive, and an anesthetic; [HSDB]
Comments
CNS depression is observed in mice exposed for 5-60 minutes at concentrations of 90,000-120,000 ppm (9-12% by volume); Concentrations of 150,000-170,000 ppm are lethal for dogs. [HSDB] See "n-Pentane."
Skin Designation (ACGIH)
Insufficient data
Odor Threshold Low
400 ppm
Lethal Concentration
LCLo (mice) = 419,000 mg/m3/2H
Explanatory Notes
Odor threshold from ACGIH; MP = -159.9 degrees C; BP = 27.8 degrees C; VP from ChemIDplus;
Neurotoxin
Acute solvent syndrome
Diseases
Occupational diseases associated with exposure to this agent: