BARIUM THIOSULFATE
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- $16.9 - $4344.07
- Product name: BARIUM THIOSULFATE
- CAS: 35112-53-9
- MF: BaO3S2
- MW: 249.46
- EINECS:252-375-7
- MDL Number:MFCD00040661
- Synonyms:Thiosulfuric acid barium salt;thiosulfuricacid(h2s2o3),bariumsalt(1:1) ;BARIUM THIOSULFATE;Barium thiosulfate hydrate;barium thiosulphate;Bariumthiosulfatewhitepowder;Bariumthiosulfate,98%;Barium hyposulfite
14 prices
Selected condition：
Brand
- aablocks
- American Custom Chemicals Corporation
- Chem-Impex
- Sigma-Aldrich
- Thermo Scientific Chemicals
Package
- 25g
- 100g
- 250g
- 500g
- 1kg
- 5KG
- Manufactureraablocks
- Product numberAA003NWY
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging25g
- Price$84
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003NWY
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging100g
- Price$109
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003NWY
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging250g
- Price$153
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003NWY
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging1kg
- Price$368
- Updated2026-05-28
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0002470
- Product descriptionBARIUM THIOSULFATE 95.00%
- Packaging250G
- Price$4344.07
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number30557
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging5KG
- Price$1116.37
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30557
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging1KG
- Price$245.87
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30557
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging25G
- Price$18.53
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30557
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging100G
- Price$39.16
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30557
- Product descriptionBarium thiosulfate ≥98%(Assay)
- Packaging250G
- Price$74.01
- Updated2026-05-19
- Buy
- ManufacturerSigma-Aldrich
- Product number437417
- Product descriptionBarium thiosulfate 98%
- Packaging250g
- Price$136
- Updated2026-04-30
- Buy
- ManufacturerThermo Scientific Chemicals
- Product numberA14981
- Product descriptionBarium thiosulfate, 98%
- Packaging25g
- Price$16.9
- Updated2021-12-16
- Buy
- ManufacturerThermo Scientific Chemicals
- Product numberA14981
- Product descriptionBarium thiosulfate, 98%
- Packaging500g
- Price$134
- Updated2021-12-16
- Buy
- ManufacturerThermo Scientific Chemicals
- Product numberA14981
- Product descriptionBarium thiosulfate, 98%
- Packaging100g
- Price$37.7
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA003NWY | Barium thiosulfate ≥98%(Assay) | 25g | $84 | 2026-05-28 | Buy |
| aablocks | AA003NWY | Barium thiosulfate ≥98%(Assay) | 100g | $109 | 2026-05-28 | Buy |
| aablocks | AA003NWY | Barium thiosulfate ≥98%(Assay) | 250g | $153 | 2026-05-28 | Buy |
| aablocks | AA003NWY | Barium thiosulfate ≥98%(Assay) | 1kg | $368 | 2026-05-28 | Buy |
| American Custom Chemicals Corporation | ING0002470 | BARIUM THIOSULFATE 95.00% | 250G | $4344.07 | 2021-12-16 | Buy |
| Chem-Impex | 30557 | Barium thiosulfate ≥98%(Assay) | 5KG | $1116.37 | 2026-05-19 | Buy |
| Chem-Impex | 30557 | Barium thiosulfate ≥98%(Assay) | 1KG | $245.87 | 2026-05-19 | Buy |
| Chem-Impex | 30557 | Barium thiosulfate ≥98%(Assay) | 25G | $18.53 | 2026-05-19 | Buy |
| Chem-Impex | 30557 | Barium thiosulfate ≥98%(Assay) | 100G | $39.16 | 2026-05-19 | Buy |
| Chem-Impex | 30557 | Barium thiosulfate ≥98%(Assay) | 250G | $74.01 | 2026-05-19 | Buy |
| Sigma-Aldrich | 437417 | Barium thiosulfate 98% | 250g | $136 | 2026-04-30 | Buy |
| Thermo Scientific Chemicals | A14981 | Barium thiosulfate, 98% | 25g | $16.9 | 2021-12-16 | Buy |
| Thermo Scientific Chemicals | A14981 | Barium thiosulfate, 98% | 500g | $134 | 2021-12-16 | Buy |
| Thermo Scientific Chemicals | A14981 | Barium thiosulfate, 98% | 100g | $37.7 | 2021-12-16 | Buy |
Properties
Melting point :decomposes at 220℃ [CRC10]
Density :3.45
solubility :insoluble in ethanol
form :white crystalline powder
color :white crystals, crystalline powder
Water Solubility :insoluble EtOH; 0.220 g/100g H2O [CRC10]
Merck :13,1002
Solubility Product Constant (Ksp) :pKsp: 4.79
Exposure limits :ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 InChI :1S/Ba.H2O3S2/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKey :ONPIOWQPHWNPOQ-UHFFFAOYSA-L
SMILES :[Ba++].[O-]S([O-])(=O)=S
CAS DataBase Reference :35112-53-9(CAS DataBase Reference)
EPA Substance Registry System :Thiosulfuric acid (H2S2O3), barium salt (1:1) (35112-53-9)
Density :3.45
solubility :insoluble in ethanol
form :white crystalline powder
color :white crystals, crystalline powder
Water Solubility :insoluble EtOH; 0.220 g/100g H2O [CRC10]
Merck :13,1002
Solubility Product Constant (Ksp) :pKsp: 4.79
Exposure limits :ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 InChI :1S/Ba.H2O3S2/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKey :ONPIOWQPHWNPOQ-UHFFFAOYSA-L
SMILES :[Ba++].[O-]S([O-])(=O)=S
CAS DataBase Reference :35112-53-9(CAS DataBase Reference)
EPA Substance Registry System :Thiosulfuric acid (H2S2O3), barium salt (1:1) (35112-53-9)
Safety Information
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Description
Barium thiosulfate has the molecular formula of BaS2O3 and the molecular weight of 249.4602 g/mol. It can be prepared by the reaction of sodium thiosulfate in water with the chloride of barium:BaCl2+Na2S2O3 BaS2O3+2NaCl
It is not very soluble in water (0.25 g/100 ml at 15°C) so that the solution does not need to be evaporated at a low temperature to crystallize the product. A monohydrate is the result. BaS2O3·H2O has the CAS number of 35112-53-9. It is insoluble in ethanol. It is a white, crystalline, water-insoluble, poisonous solid. It loses the water of hydration at 110°C and decomposes at 228°C to form the sulfate, sulfur and SO2.
BaS2O3·H2O is used chiefly in the manufacture of explosives, matches, paints, and varnishes. However,the demand for this chemical is not substantial and it is classified as a “rare” chemical.
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