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Sodium Sulfide CAS#1313-82-2

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Chemical Name：Sodium Sulfide

CAS No.:1313-82-2

Molecular Formula：Na2S

Sample: Available

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Product Details

Sodium Sulfide CAS#1313-82-2

Sodium sulfide is the chemical compound with the formula Na₂S, or more commonly its hydrate Na₂S·9H₂O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na₂S and its hydrates emit hydrogen sulfide, which smells like rotten eggs. Sodium sulfide, anhydrous is a yellow to brick red crystalline mass or fused solid. If exposed to moist air, it absorbs moisture from the air, and it is liable to spontaneous heating and may cause ignition of nearby combustible material. The industrial sodium sulfide often exhibits pink, reddish brown or yellowish brown color for containing impurities.

Sodium Sulfide CAS#1313-82-2

Sodium 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
color	Yellow
Specific Gravity	1.856
Odor	Rotten egg odor
Water Solubility	186 g/L (20 ºC)
Sensitive	Hygroscopic
Crystal Structure	Reverse CaF2 type
crystal system	Cube
Merck	14,8681
Space group	Fm3m
Lattice constant	a/nmb/nmc/nmα/oβ/oγ/oV/nm30.6540.6540.6549090900.2797
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)

Product Usage

This substance has a wide range of applications. In the dye industry, it can be used to produce high-grade sulfur dyes (such as sulfur green, sulfur blue and other sulfur-containing dyes), and also serves as an auxiliary agent for dissolving sulfur-containing dyes in the printing and dyeing industry. In the leather industry, it can be used for the depilation and hydrolysis of raw skin, and can also be used to prepare sodium polysulfide to accelerate the soaking and softening of dry skin. At the same time, it can also be used as an analytical reagent to assist in leather depilation.

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