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Sodium hydrosulfideCAS#16721-80-5

Chemical Name：Sodium hydrosulfide

CAS No.:16721-80-5

Appearance:Off-white Solid

Molecular Formula：HNaS

Molecular weight:56.06

Sample: Available

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Product Details

Products Description of Sodium hydrosulfideCAS#16721-80-5

Sodium hydrosulfide industrial product purity ≥ 99%, white to pale yellow crystalline powder (anhydrous), with faint H₂S odor. Melting point 553℃ (decomp), boiling point decomposes. Vapor pressure negligible (25℃), relative density 1.79 (20℃). Solubility in water: highly soluble, slightly soluble in ethanol, insoluble in ether. Hygroscopic, incompatible with acids and strong oxidizers.

Parameters

Melting point	55°C
density	1,79 g/cm3
RTECS	WE1900000
Fp	90°C
solubility	soluble in H2O, EtOh, ethyl ether
form	Solid
color	Off-white
Odor	Rotten eggs odor
Water Solubility	620 g/L (20 ºC)
Sensitive	Moisture Sensitive & Hygroscopic
Stability:	Stable, but hygroscopic. Flammable solid. May ignite in air.
InChI	InChI=1S/Na.H2S/h;1H2/q+1;/p-1
InChIKey	HYHCSLBZRBJJCH-UHFFFAOYSA-M
SMILES	[Na]S
CAS DataBase Reference	16721-80-5(CAS DataBase Reference)
EPA Substance Registry System	Sodium hydrosulfide (16721-80-5)

Safety Information

Hazard Codes	C,F
Risk Statements	31-34
Safety Statements	25-36/37/39-45-50A
RIDADR	2318
TSCA	Yes
HazardClass	4.2
PackingGroup	II
Hazardous Substances Data	16721-80-5(Hazardous Substances Data)

Product Application of Sodium hydrosulfideCAS#16721-80-5

In paper pulping, in dyestuffs processing, in rayon and cellophane desulfurizing, in unhairing hides and as a bleaching reagent Sodium hydrogen sulfide is used in cloth, paper, pulp and dyestuff industries. It acts as a floating agent in copper mining as well as to remove hairs from hides in leather industries. It is also used as an intermediate in synthetic chemistry. It is utilized as a raw material in the production of ammonium sulphate and ethanethiol.

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