ChemicalBook--->CAS DataBase List--->22346-43-6

22346-43-6

22346-43-6 Structure

22346-43-6 Structure
IdentificationMore
[Name]

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid
[CAS]

22346-43-6
[Synonyms]

4-HYDROXY-7-METHYLAMINO-2-NAPHTHALENESULFONIC ACID
4 HYDROXY 7 METHYL AMINO NAPHTHALENE 2 SULFONIC ACID
6-[N-METHYLAMINO]-1-NAPHTHOL-3-SULFONIC ACID
N-METHYL J ACID
4-hydroxy-7-(methylamino)naphthalene-2-sulphonic acid
7-Amino-4-hydroxy-N-methyl-2-naphthalenesulfonic acid
2-(N-Methylamino)-5-naphthol-7-sulfonic acid
5-Hydroxy-2-methylamino-7-naphthalenesulfonic acid
[EINECS(EC#)]

244-924-4
[Molecular Formula]

C11H11NO4S
[MDL Number]

MFCD00128846
[Molecular Weight]

253.27
[MOL File]

22346-43-6.mol
Chemical PropertiesBack Directory
[density ]

1.542
[refractive index ]

1.4790 (estimate)
[storage temp. ]

2-8°C
[form ]

crystalline powder
[pka]

-0.14±0.40(Predicted)
[color ]

Very dark brown
[CAS DataBase Reference]

22346-43-6(CAS DataBase Reference)
[EPA Substance Registry System]

22346-43-6(EPA Substance)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302
[Precautionary statements ]

P280-P305+P351+P338
[HS Code ]

2930909899
Hazard InformationBack Directory
[Chemical Properties]

4-Hydroxy-7-methylaminonaphthalene-2- sulfonic acid [22346-43-6], N-methyl J acid, is produced by reaction of 2,5-dihydroxynaphthalene-7-sulfonic acid with methylamine and aqueous sodium bisulfite at 96 C for 36 h (yield 83 %). It is used to produce C.I. Reactive Orange 4, C.I. Reactive Orange 13, and C.I. Reactive Red 33.
Spectrum DetailBack Directory
[Spectrum Detail]

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid(22346-43-6)FT-IR
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