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2-Aminonaphthalene-1-Sulfonic Acid

2-Aminonaphthalene-1-Sulfonic Acid / CAS : 81-16-3

Appearance White to pink crystals UN -
HS 29214500 DG Class -
Synonyms Tobias Acid; 2-Amino-1-Naphthalenesulfonic Acid; 2-Naphthylamine-1-Sulfonic Acid; 1-Naphthalenesulfonic Acid, 2-Amino-; Kyselina Tobiasova; Unii-F9Qkw1Fce0; Kyselina 2-Naftylamin-1-Sulfonova; 2-Aminonaphthalenesulfonic Acid; 2-Aminonaphthalene-1-Sulphonic Acid; 2-Naphthylamino,1-Sulfonic Acid; Naphthylaminsulfosaure; Aminonaphthalenesulfonic Acid
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Properties

Summary

Formula
C10H9NO3S
Molecular Mass
223.24800
Exact Mass
223.03000
PSA
88.77000
Logp
3.33070
IUPAC
2-aminonaphthalene-1-sulfonic acid
SMILES
C1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)O)N

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
180 ºC
Density
1.502 g/cm3
Boiling Point
220 °C
Appearance
White to pink crystals

Export information

HS Code
29214500
Export Rebate
13%
Risk Code
R36/37/38-40

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