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8-Amino-1-Naphthalenesulfonic Acid

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8-Amino-1-Naphthalenesulfonic Acid / CAS : 82-75-7

Appearance Gray to reddish moist powder UN 3261
HS 29214500 DG Class 8
Synonyms 1-Naphthalenesulfonic Acid, 8-Amino-; Peri Acid; 8-Aminonaphthalene-1-Sulfonic Acid; 1-Naphthylamine-8-Sulfonic Acid
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  • Total amino value content ≥ 78%
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Packing:
25 KG/Woven Bag
Available: Audit
Manufacturer:
*** *** 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

Lightgray-redpowder

Amino value

78.70%

1-Naphthylamine-8-Sulfonic Acid %

95.25%

Uses

A series of naphthalene dyes, such as C.I. Acid Black 35, C.I. Reactive Orange 35, Navy grey and sulfide dark green 3gw, can be produced by using the pericentral acid;

It can be used to prepare other dye intermediates, such as phenyl Peri Acid, tolyl Peri Acid, amino c acid, Chicago acid, etc;

It is used for manufacturing 1.8-naphthol sulfonic acid as an intermediate of Latin blue GGN;

It can be used to produce a variety of reactive dyes, vat dyes, etc.

Picture

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Properties

Summary

Formula
C10H9NO3S
Molecular Mass
223.24800
Exact Mass
223.03000
PSA
88.77000
Logp
3.33070
IUPAC
8-aminonaphthalene-1-sulfonic acid
SMILES
C1=CC2=C(C(=C1)N)C(=CC=C2)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
>350°C
Density
1.0432 g/cm3
Boiling Point
220°C
Appearance
Gray to reddish moist powder

Export information

HS Code
29214500
Export Rebate
13%
UN No.
3261
DG-Class
8
Risk Code
R34
Safety Label
C

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