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117-46-4

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117-46-4 Structure

117-46-4 Structure
IdentificationBack Directory
[Name]

N-BENZOYL H ACID
[CAS]

117-46-4
[Synonyms]

N-BENZOYL H ACID
4-formamido-5-hydroxynaphthalene-2,7-disulfonic acid
4-Benzamido-5-hydroxy-2,7-naphthalenedisulfonic acid
4-benzamido-5-hydroxynaphthalene-2,7-disulfonic acid
4-(benzoylamino)-5-hydroxy-7-naphthalenedisulfonicacid
5-Hydroxy-4-(benzoylamino)-2,7-naphthalenedisulfonic acid
4-(benzoylamino)-5-hydroxynaphthalene-2,7-disulphonic acid
2,7-Naphthalenedisulfonic acid, 4-(benzoylamino)-5-hydroxy-
[EINECS(EC#)]

204-192-9
[Molecular Formula]

C17H13NO8S2
[MDL Number]

MFCD00035842
[MOL File]

117-46-4.mol
[Molecular Weight]

423.42
Chemical PropertiesBack Directory
[EPA Substance Registry System]

2,7-Naphthalenedisulfonic acid, 4-(benzoylamino)-5-hydroxy- (117-46-4)
Safety DataBack Directory
[TSCA ]

TSCA listed
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-5-4-fluoro-6-(1-sulfo-2-naphthalenyl)amino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-4-hydroxy-, tetrasodium salt-->REACTIVE RED 180-->REACTIVE RED 4-->2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt
Hazard InformationBack Directory
[Chemical Properties]

4-Benzamido-5-hydroxynaphthalene-2,7-disulfonic acid [117-46-4], N-benzoyl H acid, is produced by reaction of H acid with benzoyl chloride in aqueous alkaline sodium carbonate solution at 35℃ for 5 h, followed by heating at 95℃ for 2 h to hydrolyze the Obenzoyl derivative (yield 80 %). It is used to produce C.I. Reactive Red 4 and C.I. Direct Green 13.
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