| Identification | Back Directory | [Name]
BARIUM SELENIDE | [CAS]
1304-39-8 | [Synonyms]
selenoxobarium
BARIUM SELENIDE
selanylidenebarium
BARIUM SELENIDE, 99.5% (METALS BASIS) | [EINECS(EC#)]
215-130-5 | [Molecular Formula]
BaSe | [MDL Number]
MFCD00210600 | [MOL File]
1304-39-8.mol | [Molecular Weight]
216.29 |
| Hazard Information | Back Directory | [Chemical Properties]
Crystalline powder. Decomposes in water. | [Uses]
In photocells, semiconductors. | [Description]
Barium selenide has the molecular formula of BaSe and the molecular weight of 216.2956 g/mol. Its CAS
number is 1304-39-8. It is a white crystalline powder
having a melting point of 1782°C. Its density is 5.02 g/cm3. It reacts with water so that an aqueous
method of precipitation cannot be used to prepare
this compound. Barium selenide is very moisture
sensitive, and must be handled under inert conditions.
It can be prepared by reaction of the oxide or
carbonate with Se, or by the reduction of the selenate
with hydrogen gas:
2BaCO3+ 5Se+ Heat ? 2BaSe+ 3SeO2+ CO2
BaSeO4+ 4H2 ? BaSe+ 4H2O
Strontium selenide and barium selenide both have
a simple cubic structure, with cube edges equal to
3.117? and 3.308 ? , respectively. |
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