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8-Anilinonaphthalene-1-Sulfonic Acid

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8-Anilinonaphthalene-1-Sulfonic Acid / CAS : 82-76-8

Appearance Grey to green wet powder UN -
HS 29214500 DG Class -
Synonyms 8-Anilino-1-Naphthalenesulfonic Acid; 1,8-Ans; 1-Anilinonaphthalene-8-Sulfonic Acid; Ans; N-Phenyl-8-Naphthylamine-1-Sulfonic Acid; N-Phenyl-1-Naphthylamine-8-Sulfonic Acid; N-Phenyl Peri Acid; Phenyl peri acid; Phenyl peri acid (cas no 82-76-8); cas no 82-76-8
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  • Coupling value: 81.80% aniline content: 0.18% alkali insoluble: 0.30%
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Packing:
25 KG/Woven Bag
Available: Audit
Manufacturer:
Anhui Xingyuan Fine Chemical Technology Co.,Ltd. Anhui, China
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Overview

Benefits

The only licensed manufacturer in the country and the developer of industrial standards

Specification

Item

Results

Appearance

Brownish green crystal

Coupling value

81.80%

1-Naphthylamine-8-Sulfonic Acid %

0.27%

Ammoniawaterinsolublereside

0.30%

AnilineContent

0.18%

Uses

Dye intermediates. It is used to produce weak acid black BR, weak acid southern Tibet, weak acid dark blue 5R, weak acid dark blue R, weak acid black BR, blue 113, as well as sulfur dyes and azo dyes.

Picture

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Properties

Summary

Formula
C16H13NO3S
Molecular Mass
299.34400
Exact Mass
299.06200
PSA
74.78000
Logp
4.98390
IUPAC
8-anilinonaphthalene-1-sulfonic acid
SMILES
C1=CC=C(C=C1)NC2=CC=CC3=C2C(=CC=C3)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
215-217 °C (dec.)
Density
1.41 g/cm3
Appearance
Grey to green wet powder
Acidity and Basicity
acidness

Export information

HS Code
29214500
Export Rebate
13%
Risk Code
R36-36/37/38
Safety Label
Xi

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