ChemicalBook--->CAS DataBase List--->12034-77-4

12034-77-4

12034-77-4 Structure

12034-77-4 Structure
IdentificationMore
[Name]

NIOBIUM SELENIDE
[CAS]

12034-77-4
[Synonyms]

COLUMBIUM SELENIDE
NIOBIUM(IV) SELENIDE
NIOBIUM SELENIDE
niobium diselenide
Niobium(IV) selenide, 99.8% (metals basis)
[EINECS(EC#)]

234-811-8
[Molecular Formula]

NbSe2
[MDL Number]

MFCD00016228
[Molecular Weight]

250.83
[MOL File]

12034-77-4.mol
Chemical PropertiesBack Directory
[Appearance]

Gray-black solid. Has higher electrical conductivity than graphite.
[Melting point ]

>1316℃ [HAW93]
[density ]

6.300
[form ]

Powder
[color ]

gray hexagonal, hexane crystals, crystalline
[Water Solubility ]

Insoluble in water.
[Exposure limits]

ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
[Uses]

Lubricant and conductor at high temperatures and high vacuum.
[CAS DataBase Reference]

12034-77-4(CAS DataBase Reference)
[EPA Substance Registry System]

Niobium selenide (NbSe2) (12034-77-4)
Hazard InformationBack Directory
[Chemical Properties]

Gray-black solid. Has higher electrical conductivity than graphite.
Safety DataBack Directory
[Hazard Codes ]

T,N
[Risk Statements ]

23/25-33-50/53
[Safety Statements ]

20/21-28-45-60-61
[RIDADR ]

UN3283
[RTECS ]

QU0420000
[TSCA ]

Yes
[HazardClass ]

6.1
[PackingGroup ]

III
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Niobium(IV) selenide, 99.8% (metals basis)(12034-77-4)
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