溴化钴 (II) ≥99%
COBALT(II) BROMIDE
品牌：桔子
产品编号：S71389
CAS号：7789-43-7
分子式：Br2Co
分子量：218.74
MDL：MFCD00016017
| 产品名称 : | 溴化钴 (II) |
|---|---|
| 英文名称 : | COBALT(II) BROMIDE |
| 参考名称 : | 溴化钴(II) |
| 参考英文名称 : | Cobalt(II) bromide |
| CAS号 : | 7789-43-7 |
| 分子式 : | Br2Co |
| 分子量 : | 218.74 |
| SMILES : | [Co+2].[Br-].[Br-] |
| MDL NO : | MFCD00016017 |
| PubChem CID : | 24610 |
| InChIKey : | BZRRQSJJPUGBAA-UHFFFAOYSA-L |
| 储存条件 : | RT |
实验性质
| 熔点 : | 678 °C under HBr and molecular nitrogen；Red to reddish-purple, deliquescent, prismatic crystals; melting point: 47-48 °C; specific gravity: 2.46 @ 25 °C/4 °C; loses 4H2O at 100 °C giving the purple dihydrate, and loses all water by 130 °C; soluble in water giving red or blue solution depending on concentration and temperature; in methanol giving red solution; in ethanol, acetone, ether, methyl acetate giving blue solutions /Cobalt(II) bromide hexahydrate/ |
|---|---|
| 外观 / 形态 : | Bright green solid; Hygroscopic; Soluble in water; [Merck Index] Green beads; Soluble in water; [MSDSonline]；Cobaltous bromide is a red violet crystalline solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used as a catalyst in the production of other chemicals. |
| 颜色 / 形态 : | Bright green solid or lustrous green crystalline leaflets；Green hexagonal crystals; hygroscopic |
| 沸点 : | Loses 4 H2O at 212 °F. and all H2O at 266 °F. (USCG, 1999) |
| 密度 : | 4.909 at 25 °C/4 °C；4.909 at 77 °F (USCG, 1999) - Denser than water; will sink；4.91 @25 °C |
| 闪点 : | Not Applicable. Not flammable. (USCG, 1999) |
| 溶解性 : | Mol Wt: 326.832; water solubility: 113.2 g/100 g water at 20 °C /Cobalt(II) bromide hexahydrate/；Readily soluble in water；112 parts by wt (of formula wt)/100 parts of water by wt at 20 °C；66.7 g/100 mL water at 59 °C; 68.1 g/100 cc water at 97 °C; 77.1 g/100 cc of ethanol at 20 °C; 58.6 g/100 cc of methanol at 30 °C；126.754 lb/100 lb water at 70 °F；Readily soluble in methanol, ethanol, acetone and methyl acetate |
| 自燃温度 : | Not Applicable. Not flammable. (USCG, 1999) |
| 热分解说明 : | When heated to decomposition it emits toxic fumes of Br-；Hazardous decomposition products formed under fire conditions - Hydrogen bromide gas, cobalt/cobalt oxides |
| pH : | Acidic salts (such as cobaltous bromide) ... resulting aqueous solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. |
计算性质
| 极性表面积 (TPSA) : | 0 Ų |
|---|---|
| 氢键供体数 : | 0 |
| 氢键受体数 : | 0 |
| 可旋转键数 : | 0 |
| 精确质量 : | 218.76782 Da |
| 重原子数 : | 3 |
| 分子复杂度 : | 2 |
资料来源：溴化钴 (II)产品资料页；来源页标注 PubChem CID 24610，资料日期 2026-10-11。
质检证书(COA)
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