| 英文名稱 | Sodium carbonate |
|---|---|
| 中文名稱 | 碳酸鈉粉末 99.99% (無水) |
| CAS號 | 497-19-8 |
| 分子式 | CH2O3.2Na |
| 分子量 | 105.99 |
| 外觀 | powder or granules |
| MDL | MFCD00003494 |
| 沸點 | Decomposes on heating by CO2 loss |
| 儲存條件 | Keep container tightly closed in a dry and well-ventilated place. Hygroscopic. Keep in a dry place. Storage class (TRGS 510): Non Combustible Solids.Calcined soda ash is hygroscopic, gradually taking up moisture and carbon dioxide during transportation and storage. This converts the surface of sodium carbonate to the bicarbonate and leads to a weight increase of up to 17%. Soda ash is therefore best stored in closed, dry areas.Keep well closed.It migrates to food from packaging materials. |
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