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1-Amino-8-Naphthol-4,6-Disulfonic Acid

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1-Amino-8-Naphthol-4,6-Disulfonic Acid / CAS : 130-23-4

Appearance Off white powder UN 2811
HS 29222100 DG Class -
Synonyms 1-Amino-8-Naphtho-4,6-Disulfonic Acid; European K-Acid; 8-Amino-1-Naphthol-3,5-Disulfonic Acid; 8-Amino-1-Hydroxynaphthalene-3,5-Disulphonic Acid; 1-Amino-8-Hydroxy-Naphthalene-4,6-Disulphonic Acid; 4-Amino-5-Hydroxy-1,7-Naphthalenedisulfonic Acid; 1-Hydroxy-8-Aminonaphthalene-3,5-Disulphonic Acid; 1 Amino 8 Hydroxy 4:6 Disulfonic Acid; 5-Hydroxy-4-Aminonaphthalene-1,7-Disulphonic Acid; 4-Amino-5-Hydroxy-Naphthalene-1,7-Disulphonic Acid; K Acid; 4-Amino-5-Naphthol-1,7-Disulfonic Acid; 4-Amino-5-Hydroxynaphthalene-1,7-Disulfonic Acid
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Properties

Summary

Formula
C10H9NO7S2
Molecular Mass
319.31100
Exact Mass
318.98200
PSA
171.75000
Logp
3.36380
IUPAC
4-amino-5-hydroxynaphthalene-1,7-disulfonic acid
SMILES
C1=CC(=C2C=C(C=C(C2=C1N)O)S(=O)(=O)O)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Density
1.88 g/cm3
Appearance
Off white powder

Export information

HS Code
29222100
Export Rebate
13%
UN No.
2811
Risk Code
R41
Safety Label
Xi; T

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