Molekula
Calcium carbonate Food Grade
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Calcium carbonate food grade is a white, odorless powder derived from limestone or marble, widely used as a dietary supplement, antacid, and food additive (E170) for acidity regulation, mineral fortification, and as an anti-caking agent in processed foods. It is also used in pharmaceuticals, plastics, and paper manufacturing. This food-grade calcium carbonate has a CAS number of 3983-19-5, with the molecular formula Ca(CO3H)2 and a molecular weight of 162.11 g/mol. It is stored at ambient temperatures, carries a signal word of Warning, and complies with food safety regulations including FDA 21 CFR §184.1326 and EU E170. Molekula supplies calcium carbonate food grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| pH | 8.5-9.4 |
| Loss on Drying | ≤2% |
| Bulk density | =1.9kg/l |
| Moisture | ≤0.1 |
| Oil Absorption | 18% (CaCO3) |
| Granulometry | 8.0 ± 2.0µm |
| Cadmium (Cd) | ≤3ppm |
| Lead (Pb) | ≤3ppm |
| Arsenic (As) | ≤3ppm |
| Copper (Cu) | ≤100ppm |
| HCl Insoluble Matter | ≤0.2% |
| Barium (Ba) | ≤100ppm |
| Zinc (Zn) | ≤100ppm |
| Chromium (Cr) | ≤100ppm |
| Magnesium and Alkali salts | ≤ |
| Antimony (Sb) | ≤100ppm |
| Fluoride (F-) | ≤50ppm |
| Specific surface area (m2/g) | 1.2- 1.6 |
| Sieve Analysis Retention (45µm) | ≤0.1 |
| Degree of Whiteness (L, DOP) | 71.0-77.0 |
| Degree of Whiteness (a, DOP) | - 0.9 ± 1.6 |
| Degree of Whiteness (b, DOP) | 9.0-15.0 |
| Polymerisation | 30% (CaCO3) |
| Calcium Carbonate (CaCO3) | ≥98.5 |
| Magnesium Carbonate (MgCO3) | ≤1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90035238 |
| CAS Number | 3983-19-5 |
| Molecular Formula | Ca(CO3H)2 |
| Molecular Weight | 162.11 |
| SMILES | C(=O)(O)[O-].C(=O)(O)[O-].[Ca+2] |
| REACH Code | Y113 |
| Tariff Code | 28365000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is calcium carbonate (food grade) commonly used for?
Food-grade calcium carbonate is primarily used as a dietary supplement (e.g., antacids, calcium enrichment), a food additive (e.g., acidity regulator, anti-caking agent), and in pharmaceuticals like tablets and capsules.
What is the chemical formula and molecular weight of calcium carbonate (food grade)?
The formula is Ca(CO₃H)₂ (calcium bicarbonate, though often confused with CaCO₃ in food-grade contexts), and the molecular weight is 162.11 g/mol for the provided structure.
How should calcium carbonate (food grade) be stored?
Store in a cool, dry place at ambient temperature, sealed in its original packaging to prevent moisture absorption or contamination.
What grades of calcium carbonate does Molekula supply, and is food-grade available?
Molekula supplies food-grade calcium carbonate (meeting FDA/USP/EP standards) and may offer other grades upon request—confirm specifications during ordering.
Can Molekula supply calcium carbonate in bulk quantities?
Yes, bulk quantities are available; minimum order quantities and packaging options vary—contact sales for custom solutions.
What documentation comes with a food-grade calcium carbonate order?
Orders include a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation (e.g., FDA compliance for food-grade).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.