Magnesium hexafluorosilicate

氟硅酸镁

Also known as: Magnesium silicofluoride, Magnesium fluorosilicate, Magnesium fluosilicate, Magnesium hexafluorosilicate(2-), hexafluorosilicate(2-) magnesium (1:1)

Magnesium hexafluorosilicate (CAS 16949-65-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula F6H12MgO6Si and a molecular weight of 274.47300 g/mol. It is also known as Magnesium silicofluoride, Magnesium fluorosilicate and Magnesium fluosilicate. Key properties include a melting point of 120°C, a boiling point of >120°C and a density of 1.788. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16949-65-8
Jingsj CID
J-2862-8
Molecular Formula
F6H12MgO6Si
Chinese Name
氟硅酸镁
Molecular Weight
274.47300 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point120°C
Boiling Point>120°C
Density1.788

Frequently Asked Questions

What is the CAS number of Magnesium hexafluorosilicate?

The CAS number of Magnesium hexafluorosilicate is 16949-65-8.

What are the molecular formula and molecular weight of Magnesium hexafluorosilicate?

Magnesium hexafluorosilicate has molecular formula F6H12MgO6Si and molecular weight 274.47300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Magnesium hexafluorosilicate (CAS 16949-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2862-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.