7-hydroxynaphthalene-1-sulphonic acid

Modify Date: 2024-01-10 17:50:16

7-hydroxynaphthalene-1-sulphonic acid Structure
7-hydroxynaphthalene-1-sulphonic acid structure
Common Name 7-hydroxynaphthalene-1-sulphonic acid
CAS Number 132-57-0 Molecular Weight 224.23300
Density 1.549g/cm3 Boiling Point N/A
Molecular Formula C10H8O4S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 7-hydroxynaphthalene-1-sulfonic acid
Synonym More Synonyms

 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

 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%

 Synonyms

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