3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

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Names

[ CAS No. ]:
83-61-4

[ Name ]:
3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid

[Synonym ]:
Alizarine red S
2-PHENYL-5-(3-PYRIDINYL)-2,4-DIHYDRO-3H-PYRAZOL-3-ONE
3,4-dihydroxy-7,12-dimethylbenz<a>anthracene
alizarine (sulfonic acid)-(3)
3,4-dihydroxy-7,8,9,10-tetrahydrodibenzo<b,d>pyran-6(H)-one
3,4-dihydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromenchromen-6-one
BENZ(a)ANTHRACENE-3,4-DIOL,7,12-DIMETHYL
3,4-dihydroxy-7,8,9,10-tetrahydro-benzo[c]chromen-6-one
Alizarin Red-S
3,4-dihydroxy-9,10-dioxo-2-anthracene sulfonic acid
7,12-Dimethylbenz(a)anthracene-3,4-diol
3,4-dihydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
alizarin-3-sulphonic acid
7,8-dihydroxy-3,4-cyclohexenocoumarin
3,4-Dihydroxy-7,8,9,10-tetrahydro-benzo[c]chromen-6-on

Chemical & Physical Properties

[ Density]:
1.792g/cm3

[ Molecular Formula ]:
C14H8O7S

[ Molecular Weight ]:
320.27400

[ Exact Mass ]:
319.99900

[ PSA ]:
137.35000

[ LogP ]:
2.20070

[ Index of Refraction ]:
1.743

Safety Information

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Alizarin
  • Sulfuric acid
  • 1-Boronyloxy-2-hydroxy-3-sulfo-anthrachinon-(9,10)-anion

DownStream

  • Alizarin
  • Phthalic acid

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%