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117-43-1

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117-43-1 Structure

117-43-1 Structure
IdentificationMore
[Name]

1-NAPHTHOL-3,8-DISULFONIC ACID
[CAS]

117-43-1
[Synonyms]

1-NAPHTHOL-3,8-DISULFONIC ACID
8-Hydroxynaphthalene-1,6-Disulfonic Acid
8-hydroxynaphthalene-1,6-disulphonic acid
Epsilon acid
8phydroxynaphthalene-1,6-disulfonic acid
8-Hydroxy-1,6-naphthalenedisulfonic acid
Disulfo acid E
4-Hydroxy-2,5-naphthalenedisulfonic acid
Andresen's acid
[EINECS(EC#)]

204-189-2
[Molecular Formula]

C10H8O7S2
[MDL Number]

MFCD00035718
[Molecular Weight]

304.3
[MOL File]

117-43-1.mol
Chemical PropertiesBack Directory
[Appearance]

White, crystalline scales. Soluble in hot water.
[Uses]

Azo-dye intermediate.
[CAS DataBase Reference]

117-43-1(CAS DataBase Reference)
[EPA Substance Registry System]

117-43-1(EPA Substance)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Chemical Properties]

White, crystalline scales. Soluble in hot water.
[Production Methods]

The acid sodium salt of 1-aminonaphthalene-3,8-disulfonic acid is hydrolyzed by heating with water under pressure at 180℃.
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