4,5-dihydroxynaphthalene-1-sulphonic acid

Names

[ CAS No. ]:
83-65-8

[ Name ]:
4,5-dihydroxynaphthalene-1-sulphonic acid

[Synonym ]:
1,8-Dihydroxynaphthalene-4-sulfonic acid
4,5-dihydroxy-naphthalene-1-sulfonic acid
1-Naphthalenesulfonicacid,4,5-dihydroxy
1.8-Dioxy-naphthalin-sulfonsaeure-(4)
4,5-Dihydroxy-1-naphthalenesulfonic acid
4,5-Dihydroxy-naphthalin-1-sulfonsaeure
EINECS 201-492-1

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

DownStream

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%