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1-Naphthol-4-Sulfonic Acid

1-Naphthol-4-Sulfonic Acid / CAS : 84-87-7

Appearance Transparent flake crystal UN 0.0
HS 29089990 DG Class 0.0
Synonyms 1-Naphthalenesulfonicacid,4-Hydroxy-; 4-Hydroxy-1-Naphthalenesulfonicacid; Nevileandwinther'Sacid
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Properties

Summary

Formula
C10H8O4S
Molecular Mass
224.23
Exact Mass
224.01400
PSA
82.98000
Logp
2.87290
IUPAC
4-hydroxynaphthalene-1-sulfonic acid
SMILES
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Dye Intermediates

Chemical and Physical Properties

Melting Point
170℃
Density
1.4643
Boiling Point
335.63°C
Appearance
Transparent flake crystal
Acidity and Basicity
acidness

Export information

HS Code
29089990
Export Rebate
13%
UN No.
0.0
DG-Class
0.0

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