Molekula
Magnesium carbonate
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
Magnesium carbonate is a white, odorless powder used as a drying agent, anti-caking agent, and in laboratory applications. It is stable under ambient storage conditions and has no signal word. CAS: 546-93-0, Molecular formula: MgCO3, Molecular weight: 84.31. Molekula supplies Magnesium carbonate 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £77.70 per pack ex VAT · £93.24 inc. VAT
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 |
|---|---|
| Appearance | White powder |
| Identification | Conforms to reference |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Light, bulky, white powder |
| Odour | Odorless |
| Melting Point | 990 °C |
| Density | 2.95 (relative, water = 1) |
| Solubility (other solvents) | Insoluble in alcohol; soluble in acids |
| Vapour Pressure | 0 mmHg (approx) |
| Refractive Index | 1.536 |
Source: PubChem CID 11029 (HSDB, ICSC, The National Institute for Occupational Safety and Health (NIOSH))
Identification
| Property | Value |
|---|---|
| SKU | 90005100 |
| CAS Number | 546-93-0 |
| IUPAC Name | magnesium carbonate |
| EC Number | 208-915-9 |
| Molecular Formula | MgCO3 |
| Molecular Weight | 84.31 |
| Exact Mass | 83.9698 |
| SMILES | C(=O)([O-])[O-].[Mg+2] |
| InChIKey | ZLNQQNXFFQJAID-UHFFFAOYSA-L |
| InChI | InChI=1S/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
| PubChem CID | 11029 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 28369950 |
| Tariff Code | 2836991100 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Apolda
- Carbonate magnesium
- Carbonic acid, magnesium salt (1:1)
- Destab
- Kimboshi
- Magfy
- Magmaster
- Magnesite
- Magnesium carbonate (1:1)
- Magnesium carbonate anhydrous
Frequently asked questions
What is magnesium carbonate used for?
Magnesium carbonate is commonly used as a drying agent, anti-caking agent, and in the production of magnesium oxide and other magnesium compounds.
What is the chemical formula and molecular weight of magnesium carbonate?
The chemical formula is MgCO3, and the molecular weight is 84.31 g/mol.
How should magnesium carbonate be stored?
It should be stored at ambient temperature, in a dry and well-ventilated area, away from moisture and incompatible materials.
What grade of magnesium carbonate does Molekula supply?
Molekula supplies magnesium carbonate in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply magnesium carbonate in bulk?
Yes, Molekula can supply magnesium carbonate in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a magnesium carbonate order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), with additional documentation available upon request.
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.