Molekula
Magnesium carbonate hydroxide, Light
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 hydroxide, Light is a white, fine powder primarily used as a filler, stabilizer, and flame retardant in plastics, rubber, and coatings, as well as an antacid in pharmaceuticals. It is also employed in agriculture as a soil amendment and in food applications as an acidity regulator. This chemical has a CAS number of 39409-82-0, with a molecular formula of MgCO₃ and a molecular weight of 84.31 g/mol. It is non-hazardous, requiring only ambient storage conditions. Molekula supplies magnesium carbonate hydroxide, Light 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 |
|---|---|
| Appearance | White powder |
| Heavy metals | ≤0.001% |
| Loss on Drying | 5.5% to 6.0% |
| Chloride (Cl-) | ≤0.05% |
| Iron (Fe) | ≤0.002% |
| Arsenic (As) | ≤0.0001% |
| Calcium (Ca) | ≤0.1% |
| Zinc (Zn) | ≤0.01% |
| Sulphates (SO4)(2-) | ≤0.01% |
| Magnesium Oxide (MgO) | 39.5% to 44.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 17496146 |
| CAS Number | 39409-82-0 |
| Molecular Formula | MgCO3 |
| Molecular Weight | 84.31 |
| SMILES | C(=O)([O-])[O-].C(=O)([O-])[O-].C(=O)([O-])[O-].C(=O)([O-])[O-].O.O.O.O.O.[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2] |
| REACH Code | Y113 |
| HTS Code | 28369950 |
| Tariff Code | 2836991100 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
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 magnesium carbonate hydroxide (light) commonly used for?
It is primarily used as a mild antacid, in cosmetics (e.g., talc substitute), and as a filler or extender in plastics, rubber, and paints.
What is the chemical formula and molecular weight of magnesium carbonate hydroxide (light)?
The formula is MgCO₃ (simplified; the full structure includes hydroxide groups), and the molecular weight is 84.31 g/mol (for MgCO₃).
How should magnesium carbonate hydroxide (light) be stored?
Store in a cool, dry place at ambient temperature, away from moisture and strong acids, in a tightly sealed container.
What grades of magnesium carbonate hydroxide (light) does Molekula supply?
We supply light-grade magnesium carbonate hydroxide, which is fine, low-density powder suitable for pharmaceutical, cosmetic, and industrial applications.
Can Molekula supply magnesium carbonate hydroxide (light) in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25kg bags, 50kg drums, or larger quantities) for industrial and commercial customers—please inquire for availability.
What documentation comes with an order of magnesium carbonate hydroxide (light)?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a Certificate of Conformity for traceability and compliance.
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.