Aluminum fluoride

Description

Aluminum fluoride · CAS 7784-18-1 · AlF3. UNII Z77H3IKW94. Boiling Point: 1272 °C @760 [mm Hg]; Melting Point: 1291 °C; Melting Point: 1290 °C.

Identification

CAS Registry Number	7784-18-1
PubChem CID	2124
Molecular formula	AlF3
IUPAC name	trifluoroalumane
UNII (FDA)	Z77H3IKW94

Computed Descriptors

Molecular Weight	83.976748
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	83.9767479
Monoisotopic Mass	83.9767479
Topological Polar Surface Area	0
Heavy Atom Count	4
Formal Charge	0
Complexity	8

Physical & Chemical Properties

Boiling Point	1272 °C @760 [mm Hg]
Melting Point	1291 °C
Melting Point	1290 °C
Solubility	In water, 0.559 g/100 mL @ 25 °C
Density	3.10
Density	2.9 g/cm³
Density	3.1 @25 °C
Vapor Pressure	1 mm Hg @ 1238 °C
Other Experimental Properties	Sublimes at 1272 °C, 760 mmHg
Formulations/Preparations	Grades or purity: 90.7%

Physical description & handling notes

• Aluminum fluoride appears as odorless white powder or granules. Denser than water. Solubility in water at 25 °C equals 0.559 g / 100 mL.
• Other Solid; Dry Powder
• White solid; [Hawley] Hygroscopic; [ICSC] Odorless powder; [MSDSonline]
• HYGROSCOPIC WHITE OR COLOURLESS CRYSTALS.
• White, hexagonal crystals
• Loses water at 100 °C, more at 200 °C. ... slight solubility. /Trihydrate/

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Oral care; Antiplaque
GHS notification summary	95.2% (360 / 378)

GHS Hazard Classification

GHS notification summary	95.2% (360 / 378)
Reported hazard statements	H301, H319, H335, H361, H372

Documented Uses

• Used in ceramics; as flux in metallurgy, ceramic glazes, and enamels; in aluminum manufacture (to lower the melting point and increase the conductivity of the electrolyte); as inhibitor of fermentation; as catalyst in organic reactions; in the manufacture of aluminum silicate; [HSDB]
• Aluminum Producing [Category: Industry]
• Metal Preparation and Pouring [Category: Foundry]
• Ceramics making [Category: Hobbies]
• In ceramics, as flux in metallurgy, in aluminum manufacture, as inhibitor of fermentation, as catalyst in organic reactions.
• Production of aluminum to lower the melting point & increase the conductivity of the electrolyte, flux in ceramic glazes & enamels, manufacture of aluminum silicate, catalyst.

Synonyms

aluminum fluoride; Aluminum trifluoride; trifluoroalumane; Aluminum fluoride (AlF3); aluminium trifluoride; Fluorid hlinity; Aluminium fluorure; trifluoridoaluminium; Z77H3IKW94; DTXSID8030712; CHEBI:49464; Aluminium Fluoratum; RefChem:5537; DTXCID6010712; 232-051-1; 7784-18-1

Frequently Asked Questions

What are the CAS number and molecular formula of Aluminum fluoride?

CAS 7784-18-1; molecular formula AlF3; molecular weight — g/mol.

What other names is Aluminum fluoride known by?

aluminum fluoride, Aluminum trifluoride, trifluoroalumane, Aluminum fluoride (AlF3), aluminium trifluoride, Fluorid hlinity.

What is the regulatory status of Aluminum fluoride?

Documented regulatory listings: CIR / INCI: Oral care; Antiplaque.

Is Aluminum fluoride classified as hazardous?

95.2% of GHS notifications report no hazard classification (360 of 378).

What are the key physical properties of Aluminum fluoride?

Boiling Point: 1272 °C @760 [mm Hg]; Melting Point: 1291 °C; Melting Point: 1290 °C; Solubility: In water, 0.559 g/100 mL @ 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.