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12138-07-7

12138-07-7 Structure

12138-07-7 Structure
IdentificationBack Directory
[Name]

THORIUM SULFIDE
[CAS]

12138-07-7
[Synonyms]

THORIUM SULFIDE
Einecs 235-242-8
thorium disulphide
thoriumsulfide99.5%
Thorium(IV) sulfide.
Thorium sulfide (ths2)
[EINECS(EC#)]

235-242-8
[Molecular Formula]

S2Th
[MDL Number]

MFCD00054093
[MOL File]

12138-07-7.mol
[Molecular Weight]

296.17
Chemical PropertiesBack Directory
[Melting point ]

1905°C
[density ]

7.300
[solubility ]

insoluble in H2O; soluble in acid solutions
[form ]

dark brown crystals
[color ]

dark brown crystals, crystalline
[Water Solubility ]

insoluble H2O; soluble acids [HAW93] [COT88]
[EPA Substance Registry System]

Thorium sulfide (ThS2) (12138-07-7)
Hazard InformationBack Directory
[Chemical Properties]

dark brown crystal(s); begins to decompose above 1500°C; used as a solid lubricant [HAW93] [KIR83]
[Synthesis]

Synthesis from the elements under pressure yields a deep red polysulfide Th3S4, lilac brown ThS2, a sesquisulfide, and a subsulfide ThS0.75.
Safety DataBack Directory
[TSCA ]

TSCA listed
12138-07-7 suppliers list
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