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84-87-7

84-87-7 Structure

84-87-7 Structure
IdentificationMore
[Name]

1-Naphthol-4-sulfonic acid
[CAS]

84-87-7
[Synonyms]

1-NAPHTHOL-4-SULFONIC ACID
4-Hydroxy-1-naphthalenesulfonic acid
N-(M-SULFOPHENYL) GAMMA ACID
1-Naphthalenesulfonicacid,4-hydroxy-
4-hydroxy-1-naphthalenesulfonicaci
4-hydroxynaphthalene-1-sulphonicacid
Nevileandwinther’sacid
Nevile-Winthers acid
Meville-winter acid(1-naphthol-4-sulfonic acid,NW-acid)
4-hydroxynaphthalene-1-sulfonic acid
NEVILLE-WINTHER ACID (NA SALT)
1-Hydroxy-4-sulfonaphthalene
HIGH-PURITY N.W. ACID
1-Hydroxy-4-naphthalenesulfonic acid
Neville acid
Neville and winther acid
1,4-Oxy Acid
a-Naphthol-4-sulfonic acid
Nevile-Winther acid
[EINECS(EC#)]

201-568-4
[Molecular Formula]

C10H8O4S
[MDL Number]

MFCD00065324
[Molecular Weight]

224.23
[MOL File]

84-87-7.mol
Chemical PropertiesBack Directory
[Melting point ]

170℃
[mp ]

170℃
[Boiling point ]

335.63°C (rough estimate)
[density ]

1.4643 (rough estimate)
[refractive index ]

1.7040 (estimate)
[pka]

0.73±0.40(Predicted)
[CAS DataBase Reference]

84-87-7(CAS DataBase Reference)
[EPA Substance Registry System]

84-87-7(EPA Substance)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sodium bisulfite-->Naphthionic acid
【Preparation Products】

disodium 3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate-->C.I. 14720-->Direct Blue 151-->disodium 3-[[4'-[[6-amino-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate-->sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate-->sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate-->3-[(5-Chloro-2-hydroxy-3-sulfophenyl)azo]-4-hydroxy-1-naphthalenesulfonic acid disodium salt-->5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt-->Acid Red 374-->4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt-->BENZOAZURINE-->BRILLIANT PURPURIN R-->THIAZINE RED-->Acid Violet 131-->NAPHTHALENE SCARLET B-->Aluminium, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid complex-->Mordant Violet 2-->DIRECTVIOLET32-->disodium (3Z)-3-[[4-(4-anilino-3-sulfonato-phenyl)diazenylnaphthalen-1-yl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonate-->3-[[2-[(N-Ethyl-N-phenylamino)sulfonyl]phenyl]azo]-4-hydroxy-1-naphthalenesulfonic acid sodium salt-->6-Amino-4-hydroxy-5-[[4'-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt-->OXAMINE BLUE 4R
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

4-Hydroxy-1-naphthalenesulfonic acid(84-87-7).msds
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

84-87-7(sigmaaldrich)
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