| Customization: | Available |
|---|---|
| CAS No.: | Calcium Carbonate |
| Formula: | CaCO3 |
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1. Chemical Name: Calcium carbonate
2. Molecular Formula: CaCO3
3. Molecular Weight: 100.09
4. CAS: 471-34-1
5. Shelf life: 24 months
6. Character: It is fine, white or colorless, microcrystalline powder. It is stable in air, and it is practically insoluble in water and in alcohol. The presence of any ammonium salt or carbon dioxide increases its solubility in water, but the presence of any alkali hydroxide reduces the solubility.
7. Usage:
1. Pharmaceutical field
Calcium supplements: used to prevent or treat calcium deficiency disorders such as osteoporosis.
Antacids: Used to relieve stomach pain and indigestion caused by excessive stomach acid.
2. Food industry
Food additives: used as anti caking agents, leavening agents, and nutritional fortifiers in foods such as flour, milk powder, and beverages.
Calcium fortifier: Used to increase the calcium content in food, such as calcium fortified milk and fruit juice.
3.other industry
Feed additive: used as a source of calcium in animal feed.
Toothpaste additive: used in toothpaste to help clean teeth and strengthen enamel.
Cosmetics: used as filler and whitening agent for foundation make-up, powder and other cosmetics.
| Test item | Standard |
| Identification | Passes test |
| Assay(CaCO3), dry basis % | 98.0-100.5 |
| Acid insoluble substances % | ≤0.2 |
| As ppm | ≤3.0 |
| Barium | Passes test |
| Iron % | ≤0.1 |
| Lead ppm | ≤3.0 |
| Fluoride ppm | ≤50.0 |
| Magnesium and alkali salts % | ≤1.0 |
| Hg ppm | ≤0.5 |
| Loss on drying % | ≤2.0 |
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