Magnesium stearate
硬脂酸镁
Also known as: Dibasic magnesium stearate, Dolomol, Magnesium distearate, Magnesium octadecanoate, Magnesium dioctadecanoate, Octadecanoic acid magnesium salt, Stearic acid magnesium salt, Magnesium stearate (E-470B), Magnesium stearate NF, Magnesium stearate FCC, MAGNESIUMSTEARATE, Magnesiumstearat, MFCD00036391, Octadecanoic acid, magnesium salt (2:1)
Magnesium stearate (CAS 557-04-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C36H70MgO4 and a molecular weight of 591.24 g/mol. It is also known as Dibasic magnesium stearate, Dolomol and Magnesium distearate. Key properties include a melting point of 200 °C(lit.), a boiling point of 359.4ºC at 760mmHg, a density of 1.028g/cm3 and a flash point of 162.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 557-04-0
- Jingsj CID
- J-35999-5
- Molecular Formula
- C36H70MgO4
- Chinese Name
- 硬脂酸镁
- Molecular Weight
- 591.24 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200 °C(lit.) |
|---|---|
| Boiling Point | 359.4ºC at 760mmHg |
| Density | 1.028g/cm3 |
| Flash Point | 162.4ºC |
Frequently Asked Questions
What is the CAS number of Magnesium stearate?
The CAS number of Magnesium stearate is 557-04-0.
What are the molecular formula and molecular weight of Magnesium stearate?
Magnesium stearate has molecular formula C36H70MgO4 and molecular weight 591.24 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Magnesium stearate (CAS 557-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35999-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.