Sodium sulfide cas no:1313-82-2

NameSodium sulfide
CAS1313-82-2
SynonymsSodiumsulfide (Na2S);Disodiummonosulfide;Disodium sulfide;Disodium sulfide (Na2S);NSC 41874;Sodiummonosulfide;Sodium sulphide;
EINECS(EC#)215-211-5
Molecular FormulaNa₂S
Molecular Weight78.03

Appearancecrystals of varied colour, with a repulsive odour
storage tempRefrigerator (+4°C)
Sensitive Hygroscopic

Hazardclass4.2

Hazard C:Corrosive
Risk R31;R34;R50
Safety

A poison by ingestion and intraperitoneal routes. Flammable when exposed to heat or flame. Unstable and can explode on rapid heating or percussion. Reacts violently with carbon, diazonium salts, n,n-dichloromethylamine, o-nitroaniline diazonium salt, water. When heated to decomposition it emits toxic fumes of SO_x and Na₂O. See also SULFIDES.
Hazard Codes:?C,N
Risk Statements: 31-34-50?
R31 :Contact with acids liberates toxic gas.?
R34:Causes burns.?
R50:Very toxic to aquatic organisms.
Safety Statements: 26-45-61?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.

1.	???	orl-rat LD50:208?mg/kg	???	GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30.
2.	???	ipr-rat LD50:147?mg/kg	???	GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30.
3.	???	orl-mus LD50:205?mg/kg	???	GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30.