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氯化钡，二水
规格或纯度:
ACS
- CAS编号: 10326-27-9
- 分子式: BaCl2?2H2O
- 分子量: 244.26
- EC号: 233-788-1
- MDL号: MFCD00149154
- PubChem编号: 5284346
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基本描述
| 规格或纯度 | ACS |
|---|---|
| 英文名称 | Barium chloride dihydrate |
| 别名 | 二水合氯化钡 |
| 生化机理 | Barium chloride produces excitatory effects on neuronal signaling throμgh mobilization of intracellular Ca2+. This has been correlated to causing increases in potential difference and short-circuit currents in stripped sheets of rat intestine with subsequent effects on intestinal secretion. The toxic effects of Ba2+ are mediated throμgh neuronal excitation, and sub-toxic administration of Barium Chloride produces arrhythmias in animals. Barium Chloride-promoted arrhythmias have been employed in studies investigating antiarrhythmic compounds. Barium Chloride demonstrates selective inhibition of MMP-2 (matrix metalloproteinase 2), sμggested to proceed throμgh displacement by Ba2+ of a Ca2+ ion at the catalytic center of MMP-2. |
| 应用 | 测定硫酸盐和硒酸盐等,色谱分析，点滴分析测定铂，软水剂。织物染色。 |
| 运输条件 | 常规运输 |
| 产品介绍 |
味苦咸。微有吸湿性。在100℃时即失去结晶水，但放置在湿空气中又重新吸收二分子结晶水。易溶于水，溶于甲醇，不溶于乙醇、乙酸乙酯和丙酮。中等毒，半数致死量(大鼠，经口)118mg/kg(以无水物计)。测定硫酸盐和硒酸盐等,色谱分析，点滴分析测定铂，软水剂。织物染色。 A soluble salt of barium and source of toxic Ba2+ ions. |
名称和标识符
| EC号 | 233-788-1 |
|---|---|
| Canonical SMILES | [Cl-].[Cl-].[Ba+2];[Cl-].[Cl-].O.O.[Ba+2];O.O.Cl[Ba]Cl |
| 分子式 |
BaCl2?2H2O |
| UN Number | 1564 |
| PubChem CID | 5284346 |
| Packing Group | III |
| 分子量 | 244.26 |
化学和物理性质
| 溶解性 | 易溶于水，溶于甲醇，不溶于乙醇、乙酸乙酯和丙酮。 |
|---|---|
| 密度 | 3.86 |
| 敏感性 | 对湿度敏感 |
| 熔点 | 963°C |
| 折光率 | 1.635 |
安全信息
| 一般危化品 | 一般危化品 |
|---|---|
| 象形图 |
Toxic |
| 信号词 | Danger |
| 危险声明 |
H319: Causes serious eye irritation H301: Toxic if swallowed H332: Harmful if inhaled |
| 预防措施声明 | P261,P305+P351+P338,P280,P301+P310,P405,P501,P312,P264,P271,P270,P304+P340,P337+P313,P330 |
| WGK Germany | 1 |
| RTECS | CQ8751000 |
| 个人防护装备 | Eyeshields,Faceshields,Gloves,type P2 (EN 143) respirator cartridges |
参考文献
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