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H Acid

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H Acid / CAS : 90-20-0

Appearance White to gray yellow powder UN -
HS 29222100 DG Class -
Synonyms 1-Amino-8-Hydroxynaphtalene-3,6-Disulfonic Acid; H Acids; 4-Hydroxy-5-Amino-2,7-Naphthalenedisulfonic Acid; 4-Amino-5-Hydroxynaphthalene-2,7-Disulfonic Acid; Kyselinah; Sulfonphthol; Kyselina1-Amino-8-Naftol-3,6-Disulfonova; Kyselina8-Amino-1-Naftol-3,6-Disulfonova; 1-Amino-8-Naphthol-3,6-Disulfonic Acid; 1-Amino-8-Naphthol-3,6-Disulphonicacid; 1-Amino-8-Hydroxy-3,6-Disulfonaphthalene; 1-Hydroxy-8-Aminonaphthalene-3,6-Disulfonic Acid; 8-Amino-1-Naphthol-3,6-Disulfonic Acid; 1-Naphthol-8-Amino-3,6-Disulfonicacid; 1-Amino-8-Hydroxynaphthalene-3,6-Disulfonic Acid; 2,7-Naphthalenedisulfonic Acid, 4-Amino-5-Hydroxy-
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Overview

Uses

Properties

Summary

Formula
C10H9NO7S2
Molecular Mass
319.31100
Exact Mass
318.98200
PSA
171.75000
Logp
3.36380
IUPAC
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
SMILES
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)N)O)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
>300 °C(lit.)
Density
1.88 g/cm3
Appearance
White to gray yellow powder

Export information

HS Code
29222100
Export Rebate
13%
Risk Code
R36/37/38
Safety Label
Xi

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