4,7-dihydroxynaphthalene-2-sulphonic acid

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Names

[ CAS No. ]:
6357-94-4

[ Name ]:
4,7-dihydroxynaphthalene-2-sulphonic acid

[Synonym ]:
4,7-dihydroxy-naphthalene-2-sulfonic acid
2-Naphthalenesulfonicacid,4,7-dihydroxy
1,6-Dihydroxynaphthalene-3-sulfonicacid
2,5-Dihydroxy-naphthalin-7-sulfonsaeure
EINECS 228-759-5
4,7-Dihydroxynaphthalene-2-sulphonic acid
4,7-Dihydroxy-naphthalin-2-sulfonsaeure
Dioxy-J acid
3,8-Dihydroxy-6-naphthalenesulfonic acid

Chemical & Physical Properties

[ Density]:
1.677g/cm3

[ Molecular Formula ]:
C10H8O5S

[ Molecular Weight ]:
240.23300

[ Exact Mass ]:
240.00900

[ PSA ]:
103.21000

[ LogP ]:
2.57850

[ Index of Refraction ]:
1.739

Safety Information

[ HS Code ]:
2908999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • naphthalene-1,3,6-trisulphonic acid
  • J acid
  • Water

DownStream

  • m-Cresol
  • 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
  • naphthalene-1,3,6-triamine

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

  • 4,7-Dihydroxynaphthalene-2-sulphonic acid,sodium salt
  • 6,7-dihydroxynaphthalene-2-sulphonic acid
  • 4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-2-sulphonic acid
  • (1S-endo)-4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-2-sulphonic acid
  • 3,3'-[cyclohexylidenebis[(2-methoxy-4,1-phenylene)azo]]bis(4,6-dihydroxynaphthalene-2-sulphonic) acid
  • 4,6-diaminotoluene-2-sulphonic acid
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 6-Nitropyrazino[1,2-a]indol-1(2H)-one
  • 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
  • 3-{[(tert-butoxy)carbonyl]amino}-4-(1H-1,2,4-triazol-1-yl)benzoic acid