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Gansu Yonghong dyeing and Chemical Co., Ltd
Gansu Yonghong dyeing and Chemical Co., Ltd
8 YRS
Gansu, China
Main Products:
J Acid / Naphthalene-1,5-Disulfonic Acid / 2-Aminonaphthalene-1-Sulfonic Acid / Phenmedipham
Gansu, China
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2-Aminonaphthalene-1-Sulfonic Acid / CAS 81-16-3
OVERVIEW
Uses
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
2-Aminonaphthalene-1-Sulfonic Acid
CAS:81-16-3
Molecular formula：C10H9NO3S
Molecular weight：223.24800
Appearance:White to pink crystals
Synopsis: Tobias acid is a kind of azo dye intermediate, which is mainly used to manufacture dye products such as J acid and lisol red R.
Structural formula:
Typical Properties
Summary
Tobias acid is a kind of azo dye intermediate, which is mainly used to manufacture dye products such as J acid and lisol red R.
CAS No.
81-16-3
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
Acidity and Basicity
alkalinity acidness
Export information
HS Code
29214500
Export Rebate
13%
Risk Code
R36/37/38-40
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