碳酸氢钠 GR，≥99.8%
Sodium hydrogen carboante
品牌：桔子
产品编号：S36190
CAS号：144-55-8
分子式：NaHCO3
分子量：84.01
碳酸氢钠
| 中文名称 : | 碳酸氢钠 |
|---|---|
| 英文名称 : | Sodium hydrogen carboante |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 144-55-8 |
| 分子式 : | NaHCO3 |
| 分子量 : | 84.01 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 516892 |
| InChIKey : | UIIMBOGNXHQVGW-UHFFFAOYSA-M |
实验性质
| 外观 / 形态 : | Sodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77 °F. pH (of saturated solution): 8-9. Non-toxic.；Other Solid; Dry Powder; CBI; Large Crystals; Dry Powder; Other Solid; Liquid; Other Solid; Liquid；Colourless or white crystalline masses or crystalline powder；Odorless, white crystals; [CAMEO]；FINE WHITE CRYSTALLINE POWDER. |
|---|---|
| 颜色 / 形态 : | White, monoclinic prisms；White crystalline powder or granules；White powder or crystalline lumps |
| 气味 : | Odorless |
| 熔点 : | Decomposes at 228 °F (NTP, 1992)；Decomposes around 50 °C；228 °F (decomposes)；Approximately 50 °C |
| 溶解性 : | 1 in 10 % at 77 °F (NTP, 1992)；100000 mg/L (at 25 °C)；Soluble in water. Insoluble in ethanol；In water, 10.3 g/100 g water at 25 °C；Soluble in 10 parts water at 25 °C; 12 parts water at about 18 °C；Solubility in water = 6.4, 7.6, 8.7, 10.0, 11.3, 12.7, 14.2, 16.5, and 19.1 g/100g solution at 0, 10, 20, 30, 40, 50, 60, 80, and 100 °C, respectively; Solubility in water = 6.9, 8.2, 9.6, 11.1, 12.7, 14.5, 16.5, 19.7, and 23.6 g/100g H2O at 0, 10, 20, 30, 40, 50, 60, 80, and 100 °C, respectively. Solubility is lower in the presence of sodium carbonate；Insoluble in ethanol；Solubility in water, g/100ml at 20 °C: 9.3 |
| 密度 : | 2.159 (NTP, 1992) - Denser than water; will sink；2.20 g/cu cm；2.1 g/cm³；2.2 @25 °C |
| 热分解说明 : | Hazardous decomposition products formed under fire conditions: Carbon oxides, sodium oxides.；When heated to decomposition it emits acrid smoke, fumes, and carbon dioxide.；Sodium bicarbonate starts decomposing when heated over 50 °C, releasing CO2, H2O and Na2CO3, with total decomposition at 270 °C. |
| pH : | Between 8,0 and 8,6 (1 % solution)；Freshly prepared 0.1 molar solution at 25 °C: 8.3 |
| 折射率 : | Refractive indices: 1.380, 1.500, 1.586 |
| 解离常数 pKa : | 6.3 |
资料来源：碳酸氢钠产品资料页；来源页标注 PubChem CID 516892，资料日期 。
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