Product Details
| Product Name: Calcium Carbonate | CAS No.: 471-34-1 |
| EC-No.: 207-439-9 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/10/21 |
Calcium Carbonate (CaCO₃)
1. Product Overview
Calcium carbonate (CaCO₃) is a naturally occurring mineral used widely across multiple industries. It is available in both industrial grade and food grade specifications. Its applications range from construction and plastics to pharmaceuticals and food additives.
2. Chemical Information
Chemical Name: Calcium Carbonate
Chemical Formula: CaCO₃
CAS Number: 471-34-1
Molecular Weight: 100.09 g/mol
EINECS Number: 207-439-9
3. Physical & Chemical Properties
| Property | Industrial Grade | Food Grade |
|---|---|---|
| Appearance | White to off-white powder | White powder |
| Odor | Odorless | Odorless |
| Bulk Density | 0.7 – 1.2 g/cm³ | 0.8 – 1.2 g/cm³ |
| Particle Size | 5 – 45 μm (can be customized) | ≤ 10 μm (ultrafine available) |
| pH (10% slurry) | 9 – 10 | 9 – 10 |
| Loss on Ignition | 44 – 46% | 44 – 46% |
| Moisture Content | ≤ 1% | ≤ 1% |
| Insoluble Matter (HCl) | ≤ 0.5% | ≤ 0.2% |
| Heavy Metals (as Pb) | ≤ 20 ppm | ≤ 10 ppm |
| Arsenic (As) | ≤ 3 ppm | ≤ 1 ppm |
| Microbial Limits | Not applicable | Conforms to food safety standards |
4. Applications
Industrial Grade:
Paper & pulp filler
Paints and coatings
Plastics and rubber fillers
Construction materials (cement, mortar, concrete)
Glass manufacturing
Water treatment (softening agent)
Food Grade:
Dietary calcium supplement
Baking powder and antacid formulations
Food fortification (e.g., flour, beverages)
Pharmaceutical excipient
Toothpaste and oral care products
5. Packaging Options
25 kg kraft paper bags with polyethylene liner
500 kg jumbo bags (FIBC)
Custom packaging available upon request
6. Storage & Handling
Store in a cool, dry, and ventilated area.
Keep away from acids and moisture.
Handle with standard protective equipment to avoid dust inhalation.
7. Regulatory Compliance
Industrial Grade: Complies with local environmental regulations.
Food Grade: Complies with FCC, USP, and Codex Alimentarius standards for food and pharmaceutical use.
8. Shelf Life
2 years when stored properly in original sealed packaging.
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

China