1-naphthol-3,8-disulfonic acid

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Names

[ CAS No. ]:
117-43-1

[ Name ]:
1-naphthol-3,8-disulfonic acid

[Synonym ]:
EINECS 204-189-2
MFCD00035718
8-hydroxynaphthalene-1,6-disulfonic acid

Chemical & Physical Properties

[ Density]:
1.002 g/mL at 25 °C(lit.)

[ Boiling Point ]:
111 °C (0.2 mmHg)

[ Molecular Formula ]:
C10H8O7S2

[ Molecular Weight ]:
304.29600

[ Flash Point ]:
>230 °F

[ Exact Mass ]:
303.97100

[ PSA ]:
145.73000

[ LogP ]:
3.20040

[ Index of Refraction ]:
n20/D 1.5218(lit.)

Safety Information

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R34:Causes burns. R36/37:Irritating to eyes and respiratory system .

[ Safety Phrases ]:
S26-S27-S28-S36/37/39-S45

[ RIDADR ]:
UN 3265 8/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2908999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 8-Amino-1,6-naphthalenedisulfonic acid
  • Sulfuric acid
  • Water

DownStream

  • 7-amino-8-hydroxynaphthalene-1,6-disulfonic acid
  • 2-Naphthalenesulfonicacid, 4-hydroxy-

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

  • 1-Naphthol-3,8-disulfonic acid disodium salt
  • 1-Naphthol-3,6-disulfonic acid, sodium salt
  • 1-Naphthol-3,6-disulfonic acid disodium salt hydrate
  • 1-Naphthol-3,6-disulfonic acid disodium salt
  • 1,3-Naphthalenedisulfonic acid, 7-amino-, monopotassium salt, monohydrate
  • 5-amino-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid
  • Carbamic acid, N-[1-(5-chloro-3-pyridinyl)-4-piperidinyl]-, 1,1-dimethylethyl ester
  • 2,4-Dihydro-4-pentyl-2-phenyl-5-(1-phenylpropyl)-3H-1,2,4-triazol-3-one
  • 2-[(3,5-Dimethyl-1H-pyrrol-2-yl)methylene]-2,5,6,7-tetrahydro-3,6,6-trimethyl-4H-indol-4-one
  • 3-Chloro-5-[(1,1-dimethylethyl)sulfonyl]pyridine
  • N-[1,4-Dihydro-3-[(1-methylethyl)amino]-1,4-dioxo-2-naphthalenyl]-N-methylacetamide
  • 2-(2,3-Dihydro-7-methoxy-4(1H)-dibenzofuranylidene)hydrazinecarboxamide
  • 2H-Cyclobuta[cd]benzofuran-3-carboxylic acid, octahydro-6-iodo-2-oxo-, stereoisomer
  • 2-[(1Z)-1,3,3-Trimethyl-1-buten-1-yl]naphthalene
  • N,4-Dimethyl-2-(2-methylpropoxy)-1-pentanamine
  • 2-[(3,3-Difluorobutyl)(3-methylphenyl)amino]ethanol
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