4,6-Dihydroxynaphthalene-2-sulphonic acid

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Names

[ CAS No. ]:
6357-93-3

[ Name ]:
4,6-Dihydroxynaphthalene-2-sulphonic acid

[Synonym ]:
2,8-Dihydroxy-6-sulpho naphthalene
4,6-Dihydroxynaphthalene-2-sulphonic acid
2,8-dihydroxynaphthalene-6-sulphonic acid
4,6-dihydroxy-naphthalene-2-sulfonic acid
1-hydroxy-3-sulpho-7-hydroxy-naphthalene
4,6-Dihydroxy-naphthalin-2-sulfonsaeure
DIHYDROXY-G-SALT
EINECS 228-757-4
2,8-dihydroxynaphthalene-6-sulfonic acid
DIOXY G ACID

Chemical & Physical Properties

[ Density]:
1.677 g/cm3

[ Molecular Formula ]:
C10H8O5S

[ Molecular Weight ]:
240.23300

[ Exact Mass ]:
240.00900

[ PSA ]:
103.21000

[ LogP ]:
2.57850

[ Index of Refraction ]:
1.702

Safety Information

[ HS Code ]:
2908999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Naphthol-6,8-disulfonic acid
  • 3,5-dihydroxy-7-sulfo-2-naphthoic acid
  • p-Toluidine

DownStream

  • 6-Amino-4-hydroxy-2-naphthalenesulfonic acid
  • 7-Anilino-1-naphthol-3-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

  • 3,3'-[cyclohexylidenebis[(2-methoxy-4,1-phenylene)azo]]bis(4,6-dihydroxynaphthalene-2-sulphonic) acid
  • 4,6-dinitromesitylene-2-sulphonic acid
  • 4,6-diaminotoluene-2-sulphonic acid
  • 4,7-dihydroxynaphthalene-2-sulphonic acid, sodium salt
  • 6,7-dihydroxynaphthalene-2-sulphonic acid
  • 1-amino-9,10-dihydro-9,10-dioxo-4-(2,4,6-trimethylanilino)anthracene-2-sulphonic acid
  • 4-[(1S)-2-amino-1-hydroxyethyl]-5-bromo-2-methoxyphenol
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide