1-Naphthol-4-sulfonic acid

Names

[ CAS No. ]:
84-87-7

[ Name ]:
1-Naphthol-4-sulfonic acid

[Synonym ]:
EINECS 201-568-4
4-Hydroxy-1-naphthalenesulfonic acid
1-hydroxy-naphthalene-4-sulphonic acid
1-naphthol-4-sulphonic acid
1-Naphthalenesulfonic acid, 4-hydroxy-
Neville and winther acid
4-sulfonaphthol
1-Naphthol-4-sulfoni
1,4-Oxy Acid
1-Naphthol-4-sulfonic acid
Nevile-Winthers acid
1-hydroxy-4-naphthalenesulfonic acid
naphthalene 1-hydroxy-4-sulfonic acid
Neville acid
a-Naphthol-4-sulfonic acid
MFCD00065324
4-Hydroxynaphthalene-1-sulfonic acid
Nevile-Winther acid
HIGH-PURITY N.W. ACID
1-oxynaphthalene-4-sulphonic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
427ºC

[ Melting Point ]:
170℃

[ Molecular Formula ]:
C₁₀H₈O₄S

[ Molecular Weight ]:
224.233

[ Exact Mass ]:
224.014328

[ PSA ]:
82.98000

[ LogP ]:
-0.44

[ Index of Refraction ]:
1.704

Safety Information

[ Hazard Codes ]:
Xi,C

[ Risk Phrases ]:
R34:Causes burns.

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
3261

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ 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%