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7-Amino-1,3-Naphthalenedisulfonic Acid

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7-Amino-1,3-Naphthalenedisulfonic Acid / CAS : 86-65-7

Appearance Off-white to beige-green to light brown Powder or Needles UN 1759
HS 29222100 DG Class 8
Synonyms 1,3-Naphthalenedisulfonic Acid, 7-Amino-; 7-Aminonaphthalene-1,3-Disulfonic Acid; Amido-G-Acid; K Acid
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Overview

Uses

Properties

Summary

Formula
C10H9NO6S2
Molecular Mass
303.31200
Exact Mass
302.98700
PSA
151.52000
Logp
3.65820
IUPAC
7-aminonaphthalene-1,3-disulfonic acid
SMILES
C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)O)S(=O)(=O)O)N

Attribute classification

Matter Classification
organic
Category
Food(Feed) Additives > Food Additive
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
300°C
Density
1.769 g/cm3
Boiling Point
569ºC
Appearance
Off-white to beige-green to light brown Powder or Needles
Acidity and Basicity
acidness

Export information

HS Code
29222100
Export Rebate
13%
UN No.
1759
DG-Class
8
Risk Code
R34
Safety Label
C

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