BARIUM SELENATE
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- $43.9 - $2609.84
- Product name: BARIUM SELENATE
- CAS: 7787-41-9
- MF: BaH4O4Se
- MW: 284.33
- EINECS:232-113-8
- MDL Number:MFCD00046181
- Synonyms:BARIUM SELENATE;BARIUM SELENATE(VI);selenicacid,bariumsalt(1:1) ;Bariumselenat;Selenic acid barium salt;Barium selenate, 99.9% (metals basis);barium(2+),selenate;Barium selenate, 99.9%
3 prices
Selected condition：
Brand
- American Custom Chemicals Corporation
- Thermo Scientific Chemicals
Package
- 10G
- 50G
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0002453
- Product descriptionBARIUM SELENATE 95.00%
- Packaging10G
- Price$1140.23
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0002453
- Product descriptionBARIUM SELENATE 95.00%
- Packaging50G
- Price$2609.84
- Updated2021-12-16
- Buy
- ManufacturerThermo Scientific Chemicals
- Product number044883
- Product descriptionBarium selenate 99.9% (metals basis)
- Packaging10g
- Price$43.9
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| American Custom Chemicals Corporation | ING0002453 | BARIUM SELENATE 95.00% | 10G | $1140.23 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0002453 | BARIUM SELENATE 95.00% | 50G | $2609.84 | 2021-12-16 | Buy |
| Thermo Scientific Chemicals | 044883 | Barium selenate 99.9% (metals basis) | 10g | $43.9 | 2021-12-16 | Buy |
Properties
Melting point :>350 °C(lit.)
Density :4.750
form :white rhombohedral crystals
color :white rhomb crystals, crystalline
Water Solubility :g/L soln; H2O; 0.081 (25°C); soluble HCl, insoluble HNO3 [MER06] [KRU93]
Solubility Product Constant (Ksp) :pKsp: 7.47
Exposure limits :ACGIH: TWA 0.5 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 50 mg/m3; IDLH 1 mg/m3; TWA 0.5 mg/m3; TWA 0.2 mg/m3 CAS DataBase Reference :7787-41-9
EPA Substance Registry System :Selenic acid, barium salt (1:1) (7787-41-9)
Density :4.750
form :white rhombohedral crystals
color :white rhomb crystals, crystalline
Water Solubility :g/L soln; H2O; 0.081 (25°C); soluble HCl, insoluble HNO3 [MER06] [KRU93]
Solubility Product Constant (Ksp) :pKsp: 7.47
Exposure limits :ACGIH: TWA 0.5 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 50 mg/m3; IDLH 1 mg/m3; TWA 0.5 mg/m3; TWA 0.2 mg/m3 CAS DataBase Reference :7787-41-9
EPA Substance Registry System :Selenic acid, barium salt (1:1) (7787-41-9)
Safety Information
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Description
Barium selanate has the molecular formula of BaSeO4 and the molecular weight of 280.2748 g/mol. It can be prepared by reacting sodium selenate with barium chloride in solution:BaCl2(aq)+ Na2SeO4(aq) BaSeO4+ 2NaCl(aq)
Barium selenate is slightly soluble in water at 0.0052 g/100 ml at 20°C. Its CAS number is 7787-41-9. It is a white rhombic crystal which decomposes when heated beyond about 425°C. It is slightly soluble in water at 0.0152 g/100 ml at 20°C. Its solubility product is 3.40×10-8.
The heat of formation of barium selenate is: △H298 BaSeO4 = -249.0 kcal/mol (-1041.8 kJ/mol). As a result of the measurements, it has been found that for the reaction:
Basolid+ Sesolid+ 2O2 = BaSeO4
△H298 = -279.2 cal/mol
△F298 = -249.1 cal/mol
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