3,3-Dimethyl-1-butene
Agent Name
3,3-Dimethyl-1-butene
Alternative Name
Neohexene
CAS Number
558-37-2
Formula
C6-H12
Major Category
Other Classes
Synonyms
Neohexene; 1-Butene, 3,3-dimethyl-; 2,2-Dimethyl-3-butene; 3,3-Dimethylbutene; Trimethylvinylmethane; tert-Butylethene; tert-Butylethylene; tert-Hexene; [ChemIDplus] UN3295
Category
Aliphatics, Unsaturated
Description
Colorless liquid; bp= 40-41 deg C; [Alfa Aesar MSDS]
Sources/Uses
Used as a chemical intermediate; [EPA ChAMP]
Comments
"Depression" noted in rats 1 hour after receiving 5 gm/kg by oral gavage; Rats were "prostrate," but no rats died during inhalation exposure to 51,000 ppm for 4 hours; No evidence of skin sensitization in guinea pigs and no evidence of reproductive or developmental toxicity; [EPA ChAMP: C6 Summaries] An irritant; Harmful by ingestion (may cause lung damage by aspiration); [Alfa Aesar MSDS] See "3-Methyl-1-butene."
Biomedical References
Exposure Assessment
Vapor Pressure
431 mm Hg
Lethal Concentration
LC50 (rat) = > 51,000 ppm/4hr
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Hydrocarbons, liquid, n.o.s." VP from ChemIDplus;
Adverse Effects
Neurotoxin
Acute solvent syndrome
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: