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Disodium sulfide CAS#1313-82-2

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Chemical Name: Disodium sulfide

CAS No.:1313-82-2

Molecular Formula: Na2S

Molecular weight: 78.04

Sample: Available

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Product Details

Products Description of Disodium sulfide CAS#1313-82-2

Sodium sulfide, also known as stinky alkali, stinky soda, or sulfide alkali, is an inorganic compound with the chemical formula Na2S. It appears as a colorless crystalline powder, soluble in water, insoluble in ether, and slightly soluble in ethanol. When it comes into contact with the skin and hair, it can cause burns, so sodium sulfide is commonly known as sulfide alkali. When exposed to air, sodium sulfide releases toxic hydrogen sulfide gas with a foul egg odor. Industrial sodium sulfide has colors of pink, brownish red, and earthy yellow due to impurities.

Sulfide Sodium CAS#1313-82-2

Disodium sulfide Chemical Properties

Melting point	950 °C(lit.)
density	1.86 g/mL at 25 °C(lit.)
storage temp.	Refrigerator (+4°C)
solubility	H2O: 0.1 g/mL, clear, colorless
form	flakes
Specific Gravity	1.856
color	Yellow
Water Solubility	186 g/L (20 ºC)
Sensitive	Hygroscopic
Merck	14,8681
Dielectric constant	5.0（Ambient）
Stability:	Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
InChIKey	CXPWOVUZRAFMDA-UHFFFAOYSA-N
CAS DataBase Reference	1313-82-2(CAS DataBase Reference)
NIST Chemistry Reference	Sodium sulfide(1313-82-2)
EPA Substance Registry System	Sodium sulfide (1313-82-2)

Safety Information

Hazard Codes	C,N,Xn
Risk Statements	31-34-50-22
Safety Statements	26-45-61-36/37/39
RIDADR	UN 1849 8/PG 2
WGK Germany	2
RTECS	WE1905000
F	3-8-9-23
TSCA	Yes
HazardClass	4.2
PackingGroup	II
HS Code	28301010
Hazardous Substances Data	1313-82-2(Hazardous Substances Data)

Product Application of Disodium sulfide CAS#1313-82-2

Sodium sulfide can destroy the keratin structure in the hair, making it easy for the hair to fall off the leather, and is suitable for the dehairing process in leather production. It can react with the collagen in the leather, so that the leather can also react with organic intermediates, and various sulfur dyes can be synthesized for dyeing.

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