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1-Naphthol-5-Sulfonic Acid

1-Naphthol-5-Sulfonic Acid / CAS : 117-59-9

Appearance White or nearly white crystalline powder UN -
HS 29089990 DG Class -
Synonyms L Acid; 5-Hydroxynaphtalin-1-Sulfonsaeure; 1-Naphtol-5-Sulfonic Acid; 1-Naphthol-5-Sulfonate; 5-Hydroxynaphthalene-1-Sulfonic Acid; 1-Naphthalenesulfonic Acid,5-Hydroxy; 1-Hydroxynaphthalene-5-Sulphonic Acid; 5-Hydroxynaphthalene-1-Sulphonic Acid; 5-Hydroxy-Naphthalin-1-Sulfonsaeure; 1-Naphthol-5-Sulfonic Acid Sodium Salt Tech; 5-Hydroxy-1-Naphthalenesulfonicaci; 5-Hydroxy-1-Naphthalenesulfonic Acid; 1-Naphthalenesulfonic Acid, 5-Hydroxy-; 1,5-Oxy Acid; 1-Naphthol-5 Sulfonic Acid
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Properties

Summary

Formula
C10H8O4S
Molecular Mass
224.23300
Exact Mass
224.01400
PSA
82.98000
Logp
2.87290
IUPAC
5-hydroxynaphthalene-1-sulfonic acid
SMILES
C1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
110~112 ℃
Density
1.549 g/cm3
Appearance
White or nearly white crystalline powder
Acidity and Basicity
acidness

Export information

HS Code
29089990
Export Rebate
13
Risk Code
R22,36/37/38
Safety Label
Xn

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