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dipotassium sulphide cas no:1312-73-8

Synonyms: POTASSIUM SULFIDE; dipotassiummonosulfide; dipotassiumsulfide; dipotassiumsulphide; Hepar sulfur; heparsulfuris; K2-S; Potassium monosulfide-

Identification
Namedipotassium sulphide
CAS1312-73-8
SynonymsPOTASSIUM SULFIDE; dipotassiummonosulfide; dipotassiumsulfide; dipotassiumsulphide; Hepar sulfur; heparsulfuris; K2-S; Potassium monosulfide-
EINECS(EC#)215-197-0
Molecular FormulaK2S
Molecular Weight110.2566
Chemical Properties
Appearancecolourless solid; turns brownish-red onexposure to air
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass4.2
Safety Data

Hazard C:腐蚀性物质‖N;
Risk R31;R34
Safety

Poison by ingestion and inhalation. Emits H2S in contact with acids; steam. A flammable solid. Unstable; may explode on percussion or rapid heating. Ignites on contact with nitrogen oxide. Reacts with H2O to form KOH and KSH. When heated to decomposition it emits very toxic fumes of K2O and SOx.
Safety Information
Hazard Codes: C,N
C: Corrosive N: Dangerous for the environment
Risk Statements: 31-34-50
31: Contact with acids liberates toxic gas 
34: Causes burns
50: Very Toxic to aquatic organisms  
Safety Statements: 26-45-61
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
61: Avoid release to the environment. Refer to special instructions safety data sheet  
RIDADR: 1382
HazardClass: 4.2
PackingGroup: II


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