7-hydroxynaphthalene-1-sulphonic acid

Names

[ CAS No. ]:
132-57-0

[ Name ]:
7-hydroxynaphthalene-1-sulphonic acid

[Synonym ]:
2-naphthol-8-sulfonate
7-hydroxy-naphthalene-1-sulfonic acid
7-Hydroxynaphthalene-1-sulphonic acid
2-naphthol-8-sulfonic acid
2-hydroxynaphthalene-8-sulphonic acid
Naphthol-(2)-sulfonsaeure-(8)
Bayer's Acid
7-Hydroxy-naphthalin-1-sulfonsaeure
Croceic acid
EINECS 205-066-6

Chemical & Physical Properties

[ Density]:
1.549g/cm3

[ Molecular Formula ]:
C₁₀H₈O₄S

[ Molecular Weight ]:
224.23300

[ Exact Mass ]:
224.01400

[ PSA ]:
82.98000

[ LogP ]:
2.87290

[ Index of Refraction ]:
1.703

Safety Information

[ HS Code ]:
2908999090

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%