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1-Naphthalenesulfonic Acid

1-Naphthalenesulfonic acid / CAS : 85-47-2

Appearance Grey fine crystalline powder UN 2583 8/PG 2
HS 2904100000 DG Class 8
Synonyms Naphthalene-1-Sulfonic acid; Naphthalenesulphonic acid; Naphthalene-1-Sulphonic acid; Naphthalenesulfonic acid; Alpha-Naphthalenesulfonic acid; .Alpha.-Naphthalenesulfonic acid; 1-Sulfonaphthalene; Naphtalenesulfonic acid; Naphthalene, Sulfonated; Naphthalen-1-Sulfonsyre; Naphthalene Sulfonic acid; 1-Naphthalenemonosulfonate; 1-Naphthyl Sulfonic acid; a-Naphthalene Sulfonic acid; Naphthalene Sulfonic acid (a); Naphthalene-Alpha-Sulphonic acid; Naphthalene Sulfonic acid (a-); Pszynbskgubxeh-Uhfffaoysa-; Naphthalene, Monosulfonated; Naphthalene-1-Sulfonic Acid Anion; 1-Naphthalenesulfonic acid, >50%; 4-(5-Carboxy-Pyridin-2-YL)-Piperazine-1-Carboxylicacidtert-Butylester
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Properties

Summary

Formula
C10H8O3S
Molecular Mass
208.23400
Exact Mass
208.01900
PSA
62.75000
Logp
3.16730
IUPAC
naphthalene-1-sulfonic acid
SMILES
C1=CC=C2C(=C1)C=CC=C2S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates

Chemical and Physical Properties

Melting Point
77-79 °C(lit.)
Density
1.3797 (rough estimate)
Boiling Point
317.43°C (rough estimate)
Flash Point
380.2ºC
Appearance
Grey fine crystalline powder

Export information

HS Code
2904100000
Export Rebate
13%
UN No.
2583 8/PG 2
DG-Class
8
Risk Code
R34-11-35
Safety Label
C,F

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