National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-m000009

Testing Status of 1-n-Butene - M000009

 

CASRN: 25167-67-3

Formula: C4-H8

Synonyms/Common Names

  • Butylene

Known Uses

A colorless gas that is present in crude oil as a minor constituent in quantities that are too small for viable extraction. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A94453)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.