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ChemicalBook >> CAS DataBase List >> 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

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

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid price.
  • $18 - $4452.01
  • Product name: 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
  • CAS: 119-40-4
  • MF: C16H13NO4S
  • MW: 315.34
  • EINECS:204-320-3
  • MDL Number:MFCD00035714
  • Synonyms: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;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
Price19 Properties Safety Information Description
19 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Arctom
  • Chemenu
  • Crysdot
  • Labseeker
  • Synthonix
  • TCI Chemical
Package
  • 1g
  • 5g
  • 10g
  • 25g
  • 100g
  • 500g
  • 1kg
  • Manufactureraablocks
  • Product numberAA003NAA
  • Product description4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid 97%
  • Packaging1g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NAA
  • Product description4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid ≥95%
  • Packaging5g
  • Price$23
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NAA
  • Product description4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid 95%
  • Packaging25g
  • Price$39
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003NAA
  • Product description4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid ≥95%
  • Packaging500g
  • Price$555
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberG540
  • Product description4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonicacid
  • Packaging500g
  • Price$579
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number119404
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid
  • Packaging10g
  • Price$998
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0013184
  • Product description7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID 95.00%
  • Packaging25G
  • Price$1115.73
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0013184
  • Product description7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID 95.00%
  • Packaging500G
  • Price$4452.01
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS029471
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98%
  • Packaging5g
  • Price$22
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS029471
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98%
  • Packaging25g
  • Price$80
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS029471
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98%
  • Packaging100g
  • Price$279
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM141006
  • Product description4-hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 95%
  • Packaging25g
  • Price$371
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD44000700
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid 95+%
  • Packaging25g
  • Price$392
  • Updated2026-05-27
  • Buy
  • ManufacturerLabseeker
  • Product numberSC-47159
  • Product description2-(N-Phenylamino)-5-naphthol-7-sulfonic acid 95
  • Packaging1kg
  • Price$417
  • Updated2021-12-16
  • Buy
  • ManufacturerLabseeker
  • Product numberSC-47159
  • Product description2-(N-Phenylamino)-5-naphthol-7-sulfonic acid 95
  • Packaging500g
  • Price$383
  • Updated2021-12-16
  • Buy
  • ManufacturerSynthonix
  • Product numberH62815
  • Product description4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid >98%
  • Packaging100g
  • Price$220
  • Updated2026-05-06
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003NAA 4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid 97% 1g $18 2026-05-28 Buy
aablocks AA003NAA 4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid ≥95% 5g $23 2026-05-28 Buy
aablocks AA003NAA 4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid 95% 25g $39 2026-05-28 Buy
aablocks AA003NAA 4-Hydroxy-7-(Phenylamino)Naphthalene-2-Sulfonic Acid ≥95% 500g $555 2026-05-28 Buy
AK Scientific G540 4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonicacid 500g $579 2021-12-16 Buy
Alichem 119404 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 10g $998 2021-12-16 Buy
American Custom Chemicals Corporation CHM0013184 7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID 95.00% 25G $1115.73 2021-12-16 Buy
American Custom Chemicals Corporation CHM0013184 7-ANILINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID 95.00% 500G $4452.01 2021-12-16 Buy
Arctom AS029471 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98% 5g $22 2021-12-16 Buy
Arctom AS029471 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98% 25g $80 2021-12-16 Buy
Arctom AS029471 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 98% 100g $279 2021-12-16 Buy
Chemenu CM141006 4-hydroxy-7-(phenylamino)naphthalene-2-sulfonicacid 95% 25g $371 2021-12-16 Buy
Crysdot CD44000700 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid 95+% 25g $392 2026-05-27 Buy
Labseeker SC-47159 2-(N-Phenylamino)-5-naphthol-7-sulfonic acid 95 1kg $417 2021-12-16 Buy
Labseeker SC-47159 2-(N-Phenylamino)-5-naphthol-7-sulfonic acid 95 500g $383 2021-12-16 Buy
Synthonix H62815 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid >98% 100g $220 2026-05-06 Buy
Next Last

Properties

Melting point :114 °C
Density :1.495±0.06 g/cm3(Predicted)
refractive index :1.734
storage temp. :Store at room temperature
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

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. TCI (Shanghai) Development Co., Ltd. Energy Chemical Syntechem Co.,Ltd Maya High Purity Chemicals BioBioPha Co., Ltd. Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. TOKYO CHEMICAL INDUSTRY CO., LTD. TCI Europe TCI AMERICA