Identification and Related Records
- 【CAS Registry number】
Disodium sulfide (Na2S)
- 【Molecular Formula】
- Na2S (Products with the same molecular formula)
Chemical and Physical Properties
- Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
- 【Computed Properties】
- Molecular Weight:78.04454 [g/mol]
Rotatable Bond Count:0
Topological Polar Surface Area:1
Heavy Atom Count:3
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:3
Safety and Handling
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 SOx and Na2O. See also SULFIDES.
Risk Statements: 31-34-50?
R31 :Contact with acids liberates toxic gas.?
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.
?Sodium sulfide , its cas register number is 1313-82-2. It also can be called Sodium bichromate ; and Disodium monosulfide .