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Sodium Sulfide Yellow Flake

CAS NO.： 1313-82-2

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Specification： Purity: 60-62% Na₂S, ≤2% impurities (iron, water-insoluble), 30-32% active sulfur

Documentation：

COA

Lead Time： In Stock

Max Capacity： 20000MT/Year

Packing： Customed Package

Product Detail

Properties

Sodium Sulfide Yellow Flake 60-62% Na₂S 1313-82-2

Model NO.	Sodium Sulfide Yellow Flake
CAS No.	1313-82-2
Formula	Na₂S
Payment	L/C, T/T, D/P, D/A, etc.
Production capacity	20000 t/y
Customization	Available
Certification	CE, RoHS, ISO, SGS, Halal
HS Code	2830.1010
Synonym	Sodium sulfide hydrated, Sulfurated soda flakes
Forms Available	Yellow flakes, Crystalline powder, 60% solution
Density	1.43 g/cm³ (hydrated form)
Purity	60-62% Na₂S, ≤2% impurities (iron, water-insoluble), 30-32% active sulfur
Molecular Weight	240.18 g/mol (nonahydrate)
Appearance	Yellow flakes, Deliquescent crystals
Grades	Technical grade, Industrial grade, Reagent grade

Properties

Sodium sulfide is mainly used as raw material for raw leather unhairing agent, pulp cooking agent, sulfide dye, dye intermediate reducing agent, fabric dyeing mordant and ore flotation agent, as well as viscose fiber desulfurizer and raw material for production of sodium hydrosulfide and sodium polysulfide. In the dyestuff industry, sodium sulfide is used to produce sulfur dyes, which is the raw material of sulfur blue and sulfur blue. In the printing and dyeing industry, sodium sulfide is used as a dyeing aid to dissolve sulfide dyes. In the leather industry, sodium sulfide is used to hydrolyze the raw hide to remove hair, and to prepare sodium polysulfide to speed up the soaking of dry skin to help soften. In the paper industry, sodium sulfide is used as a cooking agent for paper. In the textile industry, sodium sulfide is used for denitrification of man-made fibers, reduction of nitrocellulose and mordant for cotton dyeing. In the pharmaceutical industry, sodium sulfide is used to produce pyrolytic drugs such as phenacetin. In addition, sodium sulfide is also used to prepare sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.

CAS No.

1313-82-2

Formula

Na2S

Molecular Mass

78.04450

Exact Mass

77.95160

PSA

25.30000

Logp

-0.53540

IUPAC

disodium;sulfanide

Matter Classification

inorganic

Category

Melting Point

950 °C

Density

1.86 g/cm3

Boiling Point

1740 ºC

Appearance

Polychromatic crystals

Acidity and Basicity

alkalinity

HS Code

28301010

Export Formalities

3,A,B N,M

UN No.

1385

DG-Class

Risk Code

R31-34-50-22

Safety Label

C,N,Xn

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Sodium Sulfide Yellow Flake 60-62% Na₂S 1313-82-2