Benzenamine,N,N-dimethyl-4-[2-(2-methylphenyl)diazenyl]- cas no:3731-39-3

Synonyms: Aniline,N,N-dimethyl-p-(o-tolylazo)- (7CI,8CI); Benzenamine,N,N-dimethyl-4-[(2-methylphenyl)azo]- (9CI);2-Methyl-4'-(dimethylamino)azobenzene; 2'-Methyl-4-(dimethylamino)azobenzene;2'-Methyl-p-(dimethylamino)azobenzene; 4-(Dimethylamino)-2'-methylazobenzene;N,N-Dimethyl-p-(o-tolylazo)aniline; NSC 102373

Identification

NameBenzenamine,N,N-dimethyl-4-[2-(2-methylphenyl)diazenyl]-
CAS3731-39-3
SynonymsAniline,N,N-dimethyl-p-(o-tolylazo)- (7CI,8CI); Benzenamine,N,N-dimethyl-4-[(2-methylphenyl)azo]- (9CI);2-Methyl-4'-(dimethylamino)azobenzene; 2'-Methyl-4-(dimethylamino)azobenzene;2'-Methyl-p-(dimethylamino)azobenzene; 4-(Dimethylamino)-2'-methylazobenzene;N,N-Dimethyl-p-(o-tolylazo)aniline; NSC 102373
EINECS(EC#)223-088-4
Molecular FormulaC15H17 N3
Molecular Weight239.35

Chemical Properties

refractive index1.561

Safety Data

Safety

Risk Statements: 20/21/22
R20/21/22: N,N-Dimethyl-p-((o-tolyl)azo)aniline (CAS NO.3731-39-3) is harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 22-36/37/39
S22: Do not breathe dust.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RTECS: BX8300000

Questionable carcinogen with experimental carcinogenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.

Toxicity

1.		mma-sat 100 nmol/plate		CALEDQ Cancer Letters (Shannon, Ireland). 1 (1975),91.
2.		dns-rat:lvr 10 µmol/L		CNREA8 Cancer Research. 46 (1986),1654.

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