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CHANGZHOU CHUNGANG CHEMICAL CO.,LTD
CHANGZHOU CHUNGANG CHEMICAL CO.,LTD
41 YRS
Jiangsu, China
Main Products:
1-Naphthol-4-Sulfonic Acid / M-Phenylenediamine / 1,8-Diaminonaphthalene / 1-Naphthol / 1-Naphthylamine / Sodium Naphthionate
Jiangsu, China
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Sodium Naphthionate / CAS 130-13-2
OVERVIEW
Uses
Packaging
25 KG/Woven Bag
Lead Time
14-30 days
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DESCRIPTION
Sodium 1-Naphthylamine-4-Sulfonate
Synonymous：Sodium Naphthionate；Sodium 4-Amino-1-Naphthalenesulfonate
Molecular Formula：C10H8NNaO3S
Molecular Weight：245.23
CAS：130-13-2
Structure：
EINECS：201-567-9
Melting Point：≥300℃decompose
Water solubility：Its sodium salt is easily soluble in water, white large monoclinic prismatic crystal, and has blue fluorescence
Appearance：White or grayish white flake crystal
Flammability hazard characteristics: combustible; Combustion produces toxic NOx and SOX fumes
Storage：
Packed in plastic woven bags lined with plastic bags, 25kgs / bag, Sealed, cool and protected from light
Uses：
It is used as an intermediate of azo dyes and as an edible pigment.
Typical Properties
Summary
Sodium 1-naphthylamine-4-sulfonate is white or grayish white flake crystal, easily soluble in water, soluble in 95% ethanol, insoluble in ether, a small amount soluble in concentrated caustic aqueous solution and ethanol solution. The product is used to prepare acid, direct dyes and edible red pigment, and is also used as an antidote for nitrite and iodine poisoning.
CAS No.
130-13-2
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.
Export information
HS Code
29214500
Export Rebate
13%
Risk Code
R36/37/38
Safety Label
Xi
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