Sodium Hydrosulfide CAS#16721-80-5

CAS Number: 16721-80-5
Chemical Formula:HNaS
Synonyms:

hydrogenosulfuredesodium,anhydre
sodiumhydrosulphide
hydrogensodiumsulfide

Appearance: Off-white power
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Products Description of Sodium hydrosulfide CAS#16721-80-5

Sodium hydrosulfide (CAS#16721-80-5), also known as sodium hydrosulfide in Chinese, is a colorless crystal in its pure form. Industrial products often appear as light gray or light yellow blocky, granular or powdered solids due to impurities. They are hygroscopic and have a hydrogen sulfide odor. Its aqueous solution is strongly alkaline and can react with acids to release toxic hydrogen sulfide gas.

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.
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 hydrosulfide CAS#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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Sodium hydrosulfide CAS#16721-80-5