7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Nine Chongqing Chemdad Co. ，Ltd

Product

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

CAS No.：119-40-4

Other grades of this product :

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Basic information

Product Name:	7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
Synonyms:	7-(phenylamino)-4-naphthol-2-sulfonic acid;2-(N-Phenylamino)-5-naphthol-7-sulfonic acid;1-Hydroxy-6-phenylamino-3-naphthalenesulfonic acid;2-Anilino-5-naphthol-7-sulfonicacid;2-Phenylamino-5-naphthol-7-sulfonicacid;N-Phenyl-J-acid;N-PhenylJ-acid;PHENYL J ACID
CAS:	119-40-4
MF:	C16H13NO4S
MW:	315.34
EINECS:	204-320-3
Product Categories:	Intermediates of Dyes and Pigments
Mol File:	119-40-4.mol

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Chemical Properties

density	1.495±0.06 g/cm3(Predicted)
pka	-0.18±0.40(Predicted)
form	powder to crystal
color	White to Gray to Brown
Water Solubility	587.97mg/L at 25℃
LogP	0.83
CAS DataBase Reference	119-40-4(CAS DataBase Reference)
EPA Substance Registry System	4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonic acid (119-40-4)

Safety Information

Safety Statements

22-24/25

MSDS Information

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Usage And Synthesis

Flammability and Explosibility

Nonflammable

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Preparation Products And Raw materials

Raw materials

Sodium chloride-->Sulfur dioxide-->Congo red paper

Preparation Products

DIRECT VIOLET 51-->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-->Direct Bordeaux NGB-->Direct Violet 9-->Direct Blue 78-->trisodium 4-hydroxy-5-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-5-methoxy-2-methylphenyl]azo]naphthalene-2,7-disulphonate-->4-Hydroxy-3-[[5-methyl-2-methoxy-4-[(2-sodiosulfo-1-naphthalenyl)azo]phenyl]azo]-7-(phenylamino)naphthalene-2-sulfonic acid sodium salt-->[1,1'-Biphenyl]-3,3'-dicarboxylicacid,4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-4'-[2-(1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-,sodium salt (1:4)-->tetrasodium 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-7-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]benzene-1,4-disulphonate-->4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt-->DIRECT BLUE 78-->C.I. Acid Brown 87-->Direct Blue 308-->Direct blue 83 (C.I. 34230)-->4-Amino-5-hydroxy-6-[[4'-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-1,3-disulfonic acid disodium salt-->[[4'-[[1-Hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]amino]oxoacetic acid disodium salt-->4-Hydroxy-3-[[4'-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt-->3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt-->DIRECT VIOLET 9-->2-Naphthalenesulfonic acid, 4-hydroxy-3-4-(4-nitro-2-sulfophenyl)azo-6(or 7)-sulfo-1-naphthalenylazo-7-(phenylamino)-, trisodium salt

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