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
  • rac-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2S,5R)-6-oxabicyclo[3.2.1]octane-2-carboxylate
  • rac-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2R)-2-(2,3-dihydro-1,4-benzodioxin-6-yl)cyclopropane-1-carboxylate
  • (9H-fluoren-9-yl)methyl 4-(4-{2-[(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)oxy]-2-oxoethyl}-1,3-thiazol-2-yl)piperidine-1-carboxylate
  • rac-1-tert-butyl 3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) (3R,5S)-5-methylpiperidine-1,3-dicarboxylate
  • rac-3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 1-(9H-fluoren-9-yl)methyl (3R,5S)-5-methylpiperidine-1,3-dicarboxylate
  • rac-1-tert-butyl 3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) (3R,5R)-5-phenylpiperidine-1,3-dicarboxylate
  • rac-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,5R)-3-benzyl-3-azabicyclo[3.2.0]heptane-1-carboxylate
  • 2-tert-butyl 3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) hexahydro-2H-cyclopenta[d][1,2]oxazole-2,3-dicarboxylate
  • 2-Cyclopropyl-1-oxa-5-azaspiro[5.5]undecane
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 6-fluoroisoquinoline-4-carboxylate
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