White fine crystal. Its solubility in water is smaller than that in sodium carbonate.
| Alias | Baking soda; Bicarbonate of soda; Carbonic acid monosodium salt; col-evac; meylon; monosodium carbonate; monosodium hydrogen carbonate; Sodium acid carbonate; sodium hydrocarbonate; Sodium Hydrogen Carbonate; soda mint; soludal; hydrogen carbonate |
|---|---|
| English name | Sodium Bicarbonate |
| Molecular formula | NaHCO₃ |
| Molecular weight | 84.01 |
| Density | 2.159 g/c㎥ |
| Melting point | 270℃ |
| Appearance and properties | White crystal or monoclinic crystalline powder |
| CAS RN | 144-55-8 |
| EINECS No. | 205-633-8 |
Physical properties
Sodium bicarbonate is white or monoclinic crystalline powder. Specific gravity is 2.15. It is soluble in water and insoluble in ethyl alcohol. Solubility: 7.8g, 18 ℃; 16.0g, 60℃.
1. Sodium bicarbonate can be used as raw material in pharmaceutical industry.
2. In motion picture production, tanning, mineral separation, smelting, metal heat treatment, fiber, rubber and other industries.
3. As detergent of wool and in soaking seed.
4. Sodium bicarbonate is used in food industry as bulking agent.
5. Sodium bicarbonate can be used in producing acid-alkali fire extinguisher and foam fire extinguisher.
6. In rubber and sponge production in rubber industry.
7. As fluxing agent for casting steel ingot in metallurgical industry.
8. As dye-fixing agent and acid-alkali buffer agent in printing and dyeing industry.
9. As leavening agent for analytical reagent, inorganic synthesis, pharmaceutical and food industry.
10. As raw material for producing antacids in pharmaceutical industry.
Storage: keep in cool and well-ventilated warehouse. Avoiding storing and transporting with toxic goods.
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