National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-99514

Testing Status of 1,2-Dimethyl-4-nitrobenzene - 99514

 

CASRN: 99-51-4

Formula: C8-H9-N-O2

Synonyms/Common Names

  • 4-Nitro-o-xylene

Known Uses

In waste water from nitroxylene production, accelerator of lactam polymerization. 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  (589230)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.