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

Melting point:: 114 °C
Density: 1.495±0.06 g/cm3(Predicted)
refractive index: 1.734
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

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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:

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N-Phenyl-2-amino-5-naphthol-7-sulfonicacid

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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

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119-40-4

Intermediates of Dyes and Pigments