2-Naphthol-6,8-disulfonic acid

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Names

[ CAS No. ]:
118-32-1

[ Name ]:
2-Naphthol-6,8-disulfonic acid

[Synonym ]:
2-hydroxynaphthalene-6,8-disulfonic acid
7-Hydroxy-1,3-naphthalenedisulfonic acid
2-hydroxynaphthalene-6,8-disulfonate
EINECS 204-245-6
2-naphthol-6,8-disulphonic acid
2-Naphthol-6,8-disulfonic acid
1,7-hydroxy
|A acid
7-hydroxy-1,3-naphthalenedisulfonic acid hydrate
G Acid
2-hydroxy-6,8-naphthalenedisulfonic acid

Chemical & Physical Properties

[ Density]:
1.816g/cm3

[ Molecular Formula ]:
C10H8O7S2

[ Molecular Weight ]:
304.29600

[ Exact Mass ]:
303.97100

[ PSA ]:
145.73000

[ LogP ]:
3.20040

[ Index of Refraction ]:
1.725

Safety Information

[ HS Code ]:
2908999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Naphthol
  • 7-hydroxynaphthalene-1-sulphonic acid
  • Dipotassium 7-hydroxy-1,3-naphthalenedisulfonate
  • Sulfuric acid
  • Water
  • m-sulfanilic acid diazonium salt
  • 7-Amino-1,3-naphthalenedisulfonic acid
  • 2-HYDROXY-1-NAPHTHALENESULFONIC ACID
  • 6,8-disulfo-naphthalene-2-diazonium-betaine

DownStream

  • 7-oxo-8-(phenylhydrazinylidene)naphthalene-1,3-disulfonic acid
  • 7-Amino-1,3-naphthalenedisulfonic acid
  • 5-Hydroxy-2-methylbenzoic acid
  • 4,6-Dihydroxynaphthalene-2-sulphonic acid
  • 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid
  • 6-Hydroxynaphthalene-2-sulphonic acid
  • (8E)-7-oxo-8-[(4-sulfonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonic acid
  • Naphthalene, 1,3,7-trichloro-
  • 6-(Dimethylamino)-4-hydroxy-2-naphthalenesulfonic acid
  • 6-(ethylamino)-4-hydroxynaphthalene-2-sulfonic acid

Customs

[ HS Code ]: 2908999090

[ Summary ]:
2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Related Compounds

  • 2-Naphthol-6,8-disulfonic acid,disodium salt
  • 2-Naphthol-6,8-disulfonic acid dipotassium salt
  • 1-(4'-Sulfophenylazo)-2-naphthol-6,8-disulfonic acid
  • 2-Naphthol-6,8-disulfonic acid barium salt octahydrate
  • 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt
  • 1-(4-sulfo-1-naphthylazo)-2-naphthol-6,8-disulfonic acid
  • 2-(4-chlorophenyl)hexahydropyrrolo[3',4':4,5]isoxazolo[2,3-a]pyridine-1,3(2H,3aH)-dione
  • (Z)-3-(dimethylamino)-2-[(4-ethyl-3,5-dimethyl-1H-pyrazol-1-yl)carbonyl]-2-propenenitrile
  • N-[(E)-1-(methylsulfanyl)-2-nitroethenyl]-N-(1,1,3-trimethyl-2,3-dihydro-1H-inden-4-yl)amine
  • Ethyl 3-{2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-2-methylhydrazino}-3-iminopropanoate
  • 2-[3-(trifluoromethyl)phenyl]hexahydropyrrolo[3',4':4,5]isoxazolo[2,3-a]pyridine-1,3(2H,3aH)-dione
  • (1R,6S)-6-{[2-(2,4-dichlorobenzoyl)hydrazino]carbonyl}-3-cyclohexene-1-carboxylic acid
  • Ethyl 2-(6-chloroimidazo[1,2-a]pyridin-2-yl)benzenecarboxylate
  • 2-imino-1-methyl-5-{(Z)-[4-(trifluoromethoxy)phenyl]methylidene}dihydro-1H-imidazol-4-one
  • 3-Quinolinemethanol, alpha-(trifluoromethyl)-
  • 4-methyl-N-[2-(methylamino)-2-phenylethyl]benzenesulfonamide
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