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

Product Name
7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
CAS No.
119-40-4
Chemical Name
7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
Synonyms
PHENYL J ACID;N-PhenylJ-acid;N-Phenyl-J-acid;N-Phenyl iso-γ acid;2-Anilino-5-naphthol-7-sulfonicacid;6-ANILINO-1-NAPHTHOL-3-SULFONIC ACID;7-ANILINO-4-NAPHTHOL-2-SULFONIC ACID;2-Phenylamino-5-naphthol-7-sulfonicacid;6-Phenylamino-1-naphthol-3-sulfonicacid;2-Phenylamine-5-naphthol-7-sulfonic acid
CBNumber
CB5468429
Molecular Formula
C16H13NO4S
Formula Weight
315.34
MOL File
119-40-4.mol
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7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Property

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)
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Safety

Safety Statements 
22-24/25
HS Code 
2922.29.8190
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
A0467
Product name
7-Anilino-4-hydroxy-2-naphthalenesulfonic Acid
Purity
>95.0%(T)
Packaging
25g
Price
$58
Updated
2023/06/20
TCI Chemical
Product number
A0467
Product name
7-Anilino-4-hydroxy-2-naphthalenesulfonic Acid
Purity
>95.0%(T)
Packaging
500g
Price
$411
Updated
2023/01/07
AK Scientific
Product number
G540
Product name
4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonicacid
Packaging
500g
Price
$579
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0013184
Product name
7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
Purity
95.00%
Packaging
25G
Price
$1115.73
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0013184
Product name
7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
Purity
95.00%
Packaging
500G
Price
$4452.01
Updated
2021/12/16
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7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Chemical Properties,Usage,Production

Chemical Properties

Blue-gray crystals. Soluble in alkali, insoluble in organic solvent. 4-Hydroxy-7-phenylaminonaphthalene-2- sulfonic acid [119-40-4] N-phenyl J acid, is produced by reaction of J acid with aniline in aqueous sodium bisulfite at reflux for 40 h (yield 85 %). It is used to produce C.I. Direct Violet 7, C.I. Direct Violet 9, C.I. Direct Violet 51, C.I. Direct Blue 78, and C.I. Direct Blue 168.

Uses

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid is a dye intermediate, which is used to synthesize azo dyes such as direct copper salt green BTL, copper salt blue FBGL and copper salt purple BBL.

Flammability and Explosibility

Non flammable

Synthesis

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid was synthesized from the condensation of J acid and aniline in the medium of sodium bisulfite.

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

Raw materials

Congo red paper Sodium chloride Sulfur dioxide

Preparation Products

Direct Bordeaux NGB Direct Blue 78 DIRECT VIOLET 51 trisodium 4-hydroxy-5-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-5-methoxy-2-methylphenyl]azo]naphthalene-2,7-disulphonate Direct Violet 9 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
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7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Suppliers

Americas 1 China 138 Czech Republic 2 Europe 2 France 1 Germany 2 India 35 Japan 3 Singapore 1 Slovakia 1 The Netherlands 1 United Kingdom 6 United States 17 Global 210
Service Chemical Inc.
Tel
--
Fax
--
Email
sales@chemos-group.com
Country
Germany
ProdList
6350
Advantage
71
ABCR GmbH & CO. KG
Tel
--
Fax
--
Email
info@abcr.de
Country
Germany
ProdList
6831
Advantage
75
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View Lastest Price from 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 119-40-4
Price
US $45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-31
Career Henan Chemical Co
Product
7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 119-40-4
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
Customized
Release date
2018-12-22

119-40-4, 7-Anilino-4-hydroxy-2-naphthalenesulfonic acidRelated Search:

8-Anilino-1-naphthalenesulfonic acid Triphenylphosphine CHLOROPHOSPHONAZO III Sodium diphenylamine-4-sulfonate 1-Naphthalenesulfonic acid 3-Aminophenol Tetrakis(triphenylphosphine)platinum Metanilic acid Triphenylmethyl Chloride Dinonylnaphthalenesulfonic acid Dichlorodiphenylsilane 2-Phenylphenol DIRECT VIOLET 51 DIPHENYLAMINE-4-SULFONIC ACID BARIUM SALT 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Direct Blue 78 Direct Violet 9 Phenylacetone

  • 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
  • 7-Anilino-4-hydroxy-2-naphtalenesulfonic acid
  • 7-(anilino)-4-hydroxy-naphthalene-2-sulfonic acid
  • 7-(anilino)-4-hydroxynaphthalene-2-sulfonic acid
  • 7-Anilino-4-naphthol-2-sulfonic Acid Phenyl J Acid
  • 6-ANILINO-1-NAPHTHOL-3-SULFONIC ACID
  • 7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
  • 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid
  • 7-ANILINO-4-NAPHTHOL-2-SULFONIC ACID
  • 4-HYDROXY-7-(PHENYLAMINO)-2-NAPHTHALENESULFONIC ACID
  • 2-Naphthalenesulfonic acid, 4-hydroxy-7-(phenylamino)-
  • 4-hydroxy-7-(phenylamino)-2-naphthalenesulfonicaci
  • 6-Phenylamino-1-naphthol-3-sulfonicacid
  • 4-hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid
  • 2-Phenylamine-5-naphthol-7-sulfonic acid
  • 2-Phenylamino-5-hydroxynaphthalene-7-sulfonic acid
  • 6-Anilino-1-hydroxy-3-naphthalenesulfonic acid
  • N-Phenyl iso-γ acid
  • 4-HYDROXY-7-ANILINONAPHTHALENE-2-SULPHONICACID(PHENYLJACID)
  • N-Phenyl-2-amino-5-naphthol-7-sulfonicacid
  • 7-Anilino-4-hydroxynaphthalin-2-sulfonsure
  • 7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID 95+%
  • 7-Anilino-4-hydroxy-2-naphthalenesulfonic Acid &gt
  • 7-anilino-4-hydroxynaphthalene-2-sulphonic acidalene-2-sulphonic acid
  • 7-Anilino-4-hydroxy-2-naphthalenesulfonicAci
  • 4- hydroxy -7- anilinonaphthalene -2- sulfonic acid
  • 119-40-4
  • Intermediates of Dyes and Pigments