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Sodium Naphthionate

CAS NO.： 130-13-2

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Specification： ≥99.0%

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Lead Time： 14-30 days

Max Capacity： -

Packing： 25KG/Woven Bag

Product Detail

Properties

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.

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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CHANGZHOU CHUNGANG CHEMICAL CO.,LTD