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Sodium Naphthionate

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Sodium Naphthionate / CAS : 130-13-2

Appearance White or off white flake crystals. Freely soluble in water, soluble in 95% ethanol, insoluble in diethyl ether, slightly soluble in concentrated caustic aqueous and ethanol solutions. UN -
HS 29214500 DG Class -
Synonyms Sodium Napthionate; Sodium 4-Amino-1-Naphthalenesulfonate; Methanesulfonic acid, Trifluoro-, (Trimethylsilyl)Methyl Ester; Sodium 1-Naphthylamine-4-Sulfonate; 1-Naphthalenesulfonic acid, 4-Amino-, Monosodium salt; 4-Amino-1-Naphthalenesulfonic acid, Sodiumsalt, Hydrate; Para-Naphthionic Acid, Na Salt; Naphthylamine-4-Sulfonic Acid Sodium Salt; Naphthionic Acid Sodium Salt
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Overview

Uses

Properties

Summary

Formula
C10H8NNaO3S
Molecular Mass
245.23022
Exact Mass
245.01200
PSA
91.60000
Logp
2.98810
IUPAC
sodium;4-aminonaphthalene-1-sulfonate
SMILES
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N.[Na+]

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
280 °C (dec.)(lit.)
Density
1.6703 g/cm3
Appearance
White or off white flake crystals. Freely soluble in water, soluble in 95% ethanol, insoluble in diethyl ether, slightly soluble in concentrated caustic aqueous and ethanol solutions.
Acidity and Basicity
neutral

Export information

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

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