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BARIUM SELENIDE

CAS No.
1304-39-8
Chemical Name:
BARIUM SELENIDE
Synonyms
selenoxobarium;BARIUM SELENIDE;selanylidenebarium;BARIUM SELENIDE, 99.5% (METALS BASIS)
CBNumber:
CB1216752
Molecular Formula:
BaSe
Molecular Weight:
216.29
MDL Number:
MFCD00210600
MOL File:
1304-39-8.mol
Last updated:2023-10-17 17:11:53

BARIUM SELENIDE Properties

Melting point 1780°C
Density 5.02
solubility reacts with H2O
form cubic crystalline powder
color cubic crystals, crystalline powder
Water Solubility decomposed by H2O [MER06]
CAS DataBase Reference 1304-39-8
FDA UNII 42Z7S6FJNV
EPA Substance Registry System Barium selenide (BaSe) (1304-39-8)

BARIUM SELENIDE price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
American Custom Chemicals Corporation ING0002454 BARIUM SELENIDE 95.00% 1304-39-8 5G $857.42 2021-12-16 Buy
American Custom Chemicals Corporation ING0002454 BARIUM SELENIDE 95.00% 1304-39-8 25G $1346.15 2021-12-16 Buy
Product number Packaging Price Buy
ING0002454 5G $857.42 Buy
ING0002454 25G $1346.15 Buy

BARIUM SELENIDE Chemical Properties,Uses,Production

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.

Chemical Properties

Crystalline powder. Decomposes in water.

Uses

Barium selenide has been used to construct a photocell that has been used extensively to measure the solar irradiance of the Sun at various points on the globe. It is used because other photocell elements like selenium tend to decline in output and saturate under the intense radiance of the Sun. BaSe remains quasi-linear and can be used to measure intensity from 2000 ? to 7200 ? using a double monochrometer as a spectrum analyzer. As a portable unit, it uses narrowband (20–50 ? halfwidth) interference glass filters in 14 steps as a spectrum analyzer over the range 3100 ? to 16,300 ? , but the recording is manual. The field of view is <3° of the solar irradiance over the face of the Sun.
BaSe is available commercially as a sputtering target or in limited quantities as a powder.

Uses

In photocells, semiconductors.

BARIUM SELENIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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BARIUM SELENIDE BARIUM SELENIDE, 99.5% (METALS BASIS) selanylidenebarium selenoxobarium 1304-39-8 13042-39-8 BaHSe