无水碳酸镁 40-47%MgO
Magnesium Carbonate
品牌：桔子
产品编号：T23633
CAS号：546-93-0
分子式：MgCO3
分子量：84.31
无水碳酸镁
| 中文名称 : | 无水碳酸镁 |
|---|---|
| 英文名称 : | Magnesium Carbonate |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 546-93-0 |
| 分子式 : | MgCO3 |
| 分子量 : | 84.31 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 11029 |
| InChIKey : | ZLNQQNXFFQJAID-UHFFFAOYSA-L |
实验性质
| 外观 / 形态 : | Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder. Density: 3-3.1 g cm-3. An important ore for magnesium. Used in the manufacture of materials capable of withstanding very high temperatures. Sometimes used to produce carbon dioxide.；Wet Solid; Other Solid; Dry Powder; CBI; Large Crystals; Other Solid; Large Crystals; Liquid；Odourless, light, white friable masses or as a bulky white powder；White, odorless, crystalline powder; [NIOSH]；WHITE POWDER.；White, odorless, crystalline powder. |
|---|---|
| 颜色 / 形态 : | Light, bulky, white powder |
| 气味 : | Odorless |
| 沸点 : | Decomposes (NIOSH, 2024)；Decomposes；decomposes |
| 熔点 : | 662 °F (Decomposes) (NIOSH, 2024)；Decomposes at 350；990 °C；662 °F (decomposes)；662 °F (Decomposes) |
| 溶解性 : | 0.01 % (NIOSH, 2024)；0.1g/L；Practically insoluble both in water or ethanol；0.0106 G/100 CC COLD WATER；SOL IN ACID, AQ CARBON DIOXIDE; INSOL IN ACETONE, AMMONIA；Insoluble in alcohol; soluble in acids；Solubility in water, g/100ml at 20 °C: 0.01 (very poor)；0.01% |
| 密度 : | 2.96 (NIOSH, 2024) - Denser than water; will sink；3.0；Bulk density approximately 4 lb/cu ft；Colorless crystals; refractive index: 1.458, 1.473, 1.501; density: 2.83 g/cu-cm /Dihydrate/；White monoclinic crystals; density: 1.73 g/cu cm /Pentahydrate/；Relative density (water = 1): 2.95；2.96；3.01 @25 °C |
| 蒸气压 : | 0 mmHg (approx) (NIOSH, 2024)；0 mmHg (approx) |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes /of carbon dioxide/.；350 °C |
| 折射率 : | Index of refraction: 1.536 (alpha), 1.741 (beta) |
资料来源：无水碳酸镁产品资料页；来源页标注 PubChem CID 11029，资料日期 。
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