| CAS No.: | 513-77-9 |
|---|---|
| Formula: | Baco3 |
| EINECS: | 208-167-3 |
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The white, crystalline barium carbonate has minimal solubility in water, resulting in a weakly alkaline solution upon slight dissolution. It decomposes into carbon dioxide and barium salts under acidic conditions, with a melting point of about 1740 °C.
It plays a significant role in the electronics industry for the production of PTC thermal components, chip components, and semiconductor capacitors, and is essential in making optical and picture tube glass, barium magnetic materials, and capacitors. Its applications extend to steel carburizing, metal surface treatments, and the manufacturing of barium salts, ceramics, enamels, pigments, coatings, rubber, and welding rods.
It also serves as a water purifier and rodenticide, requiring careful management to prevent the formation of toxic barium compounds that can cause poisoning symptoms like nausea, vomiting, arrhythmia, and respiratory paralysis.
| ITEM(Z) | SPECIFICATION | RESULT |
| Apperance | White | White Powder |
| BaCO3 Content% | >=99.00 | 99.55 |
| Moisture | <=0.30 | 0.040 |
| HCI I nsoluble Matters | <=0.10 | 0.039 |
| S2- | <=0.10 | 0.047 |
| SO42- | <=0.25 | 0.16 |
| Bulk Density | 1.3-1.9 | 1.64 |
| Iron(Fe) | <=0.0020 | 0.00063 |
| Fineness | (μm) | 14.86 |
| ITEM(Q) | SPECIFICATION | RESULT |
| Apperance | White | White Powder |
| BaCO3 Content% | >=99.00 | 99.55 |
| Moisture | <=0.30 | 0.040 |
| HCI I nsoluble Matters | <=0.10 | 0.039 |
| S2- | <=0.10 | 0.047 |
| SO42- | <=0.30 | 0.16 |
| Bulk Density | 1.3-1.9 | 1.64 |
| Iron(Fe) | 0.00063 | |
| 44μm Sieve Residue% | <=1.0 | 0.10 |
| Fineness | (μm) | 14.86 |
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