Magnesium Fluoride

Description

Magnesium Fluoride · CAS 7783-40-6 · F2Mg. UNII 5N014C7IWU. Boiling Point: 2227 °C @760 [mm Hg]; Melting Point: 1263 °C; Density: 3.148 @25 °C.

Identification

CAS Registry Number	7783-40-6
PubChem CID	24546
Molecular formula	F2Mg
IUPAC name	magnesium difluoride
UNII (FDA)	5N014C7IWU

Computed Descriptors

Molecular Weight	62.302
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	61.9818480
Monoisotopic Mass	61.9818480
Topological Polar Surface Area	0
Heavy Atom Count	3
Formal Charge	0
Complexity	2.8

Physical & Chemical Properties

Boiling Point	2227 °C @760 [mm Hg]
Melting Point	1263 °C
Density	3.148 @25 °C

Physical description & handling notes

• CBI; Large Crystals
• Colorless solid with mild violet fluorescence; [Merck Index] White solid that fluoresces under electric light; [Hawley] Off-white odorless chunks; [MSDSonline]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Oral care; Antiplaque
GHS notification summary	33.7% (168 / 498)

GHS Hazard Classification

GHS notification summary	33.7% (168 / 498)
Reported hazard statements	H315 (62.2%), H319 (62.2%), H335 (55.8%)

Documented Uses

• Used in ceramics, single crystal polarizing prisms, lenses, and windows; [Hawley] Used as a flux in metallurgy; Crystals are used in optical applications; Also used with graphite and fluorine to make ternary compounds with high electrical conductivity; [Ullmann]
• Metal Preparation and Pouring [Category: Foundry]
• Glass Manufacturing [Category: Industry]
• Ceramics making [Category: Hobbies]
• Cosmetics -> Oral care; Antiplaque
• Information on 1 consumer products that contain Magnesium fluoride in the following categories is provided:

Synonyms

Afluon; Irtran 1; Magnesium fluoride (MgF2); Magnesium fluorure; 5N014C7IWU; Magnesia Fluorata; RefChem:58725; DTXCID1031096; 231-995-1; 7783-40-6; DTXSID7052523; Magnesium difluoride; Magnesium fluoride; Sellaite; magnesium;difluoride; Magnesium fluorure [French]

Frequently Asked Questions

What are the CAS number and molecular formula of Magnesium Fluoride?

CAS 7783-40-6; molecular formula F2Mg; molecular weight — g/mol.

What other names is Magnesium Fluoride known by?

Afluon, Irtran 1, Magnesium fluoride (MgF2), Magnesium fluorure, 5N014C7IWU, Magnesia Fluorata.

What is the regulatory status of Magnesium Fluoride?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Oral care; Antiplaque.

Is Magnesium Fluoride classified as hazardous?

33.7% of GHS notifications report no hazard classification (168 of 498).

What are the key physical properties of Magnesium Fluoride?

Boiling Point: 2227 °C @760 [mm Hg]; Melting Point: 1263 °C; Density: 3.148 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.