Sodium Naphthionate

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Sodium Naphthionate

CAS NO.： 130-13-2

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Specification： Total amino value ≥ 74.0%; Total amino value ≥ 75.0%

Documentation： Get COA after inquiry

Lead Time： 14-30 days

Max Capacity： 6000MT/Year

Packing： 25KG/Woven Bag

Product Detail

Properties

Summary information：For the synthesis of direct dyes, reactive dyes

Product Name	Sodium 1-naphthylamine-4-sulfonate (1,4- sodium hydride)
Chemical name	Sodium naphthionate
Chemical properties	C₁₀H₈O₃NSNa CAS NO. 130-13-2
Product Specifications
Metrics	First-class product	Superior products
Appearance	Gray-white crystal (allows darker color when stored)
Total amino value	≥74.0%	≥75.0%
Quality score of 1-naphthylamine	≤0.02%	≤0.02%
Quality score of water insolubles	≤0.20%	≤0.10%
Packaging method	25kg/bag, 450kg/package bag

Properties

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

Matter Classification

organic

Category

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

HS Code

29214500

Risk Code

R36/37/38

Safety Label

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