Magnesium methyl carbonate
Also known as: MMC, Methyl methoxymagnesium carbonate, Methoxymagnesium methyl carbonate, Stiles reagent, Stile's reagent, Stiles' reagent, Methoxymagnesium monomethylcarbonate, carbonate of magnesia, MeOMgOCO2Me, MFCD00008418
Magnesium methyl carbonate (CAS 4861-79-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6MgO4 and a molecular weight of 130.38200 g/mol. Key properties include a boiling point of 378.8ºC at 760 mmHg, a density of 1.103 g/mL at 25ºC and a flash point of 11.1 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H312 — Harmful in contact with skin and H315 — Causes skin irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 2, 2026.
- CAS No.
- 4861-79-4
- Jingsj CID
- J-26655-7
- Molecular Formula
- C3H6MgO4
- Molecular Weight
- 130.38200 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Boiling Point | 378.8ºC at 760 mmHg |
|---|---|
| Density | 1.103 g/mL at 25ºC |
| Flash Point | 11.1 °C |
| Exact Mass | 130.01200 |
| PSA | 44.76000 |
| LogP | 0.33080 |
| Refractive Index | 1.556 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 2836991000 |
|---|
Frequently Asked Questions
What is the CAS number of Magnesium methyl carbonate?
The CAS number of Magnesium methyl carbonate is 4861-79-4.
What are the molecular formula and molecular weight of Magnesium methyl carbonate?
Magnesium methyl carbonate has molecular formula C3H6MgO4 and molecular weight 130.38200 g/mol.
Which suppliers offer Magnesium methyl carbonate?
1 supplier(s) listed; request a quote for pricing.
Is Magnesium methyl carbonate hazardous?
Magnesium methyl carbonate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Magnesium methyl carbonate (CAS 4861-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26655-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.