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3731-39-3

3731-39-3 Structure

3731-39-3 Structure
IdentificationBack Directory
[Name]

2'-METHYL-4-DIMETHYLAMINOAZOBENZENE
[CAS]

3731-39-3
[Synonyms]

n,n-dimethyl-4-(o-tolylazo)-anilin
n,n-dimethyl-p-(o-tolylazo)-anilin
2'-METHYL-4-DIMETHYLAMINOAZOBENZENE
4-DIMETHYLAMINO-2'-METHYLAZOBENZENE
n,n-dimethyl-p-((o-tolyl)azo)aniline
Aniline, N,N-dimethyl-4-(o-tolylazo).
2-methyl-n,n-dimethyl-4-aminoazobenzene
n,n-dimethyl-p-(2’-methylphenylazo)-anilin
N,N-Dimethyl-4-[(2-methylphenyl)azo]aniline
dimethyl-[4-(2-methylphenyl)azophenyl]amine
N,N-dimethyl-4-(2-methylphenyl)diazenylaniline
N,N-dimethyl-4-(2-methylphenyl)diazenyl-aniline
n,n-dimethyl-4-((2-methylphenyl)azo)-benzenamin
2-METHYL-4-DIMETHYLAMINOAZOBENZENE(2'-METHYLISOMER)
Benzenamine,N,N-dimethyl-4-[2-(2-methylphenyl)diazenyl]-
[EINECS(EC#)]

223-088-4
[Molecular Formula]

C15H17N3
[MDL Number]

MFCD00025648
[MOL File]

3731-39-3.mol
[Molecular Weight]

239.32
Chemical PropertiesBack Directory
[Melting point ]

74 °C
[Boiling point ]

371.98°C (rough estimate)
[density ]

0.9908 (rough estimate)
[refractive index ]

1.5000 (estimate)
[form ]

powder to crystal
[pka]

3.29±0.10(Predicted)
[color ]

Orange to Amber to Dark red
[EPA Substance Registry System]

2-Methyl-4'-(dimethylamino)azobenzene (3731-39-3)
Safety DataBack Directory
[Risk Statements ]

20/21/22
[Safety Statements ]

22-36/37/39
[RTECS ]

BX8300000
[HS Code ]

2927.00.5000
[Hazardous Substances Data]

3731-39-3(Hazardous Substances Data)
Hazard InformationBack Directory
[Uses]

4-?Dimethylamino-?2-?methylazobenzene is an azo dye. Dyes and metabolites.
[General Description]

Red crystals or red-orange solid.
[Air & Water Reactions]

Dust can be explosive when suspended in air at specific concentrations. Insoluble in water.
[Reactivity Profile]

2'-METHYL-4-DIMETHYLAMINOAZOBENZENE is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
[Health Hazard]

ACUTE/CHRONIC HAZARDS: Toxic.
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