Ammonium Fluoborate

Description

Ammonium Fluoborate · CAS 13826-83-0 · BF4.H4N. UNII C945Z80O8X. Melting Point: 446 °F (USCG, 1999); Melting Point: 487 °C (decomposes); Melting Point: 230 °C.

Identification

CAS Registry Number	13826-83-0
PubChem CID	9964072
Molecular formula	BF4.H4N
IUPAC name	azanium tetrafluoroborate
UNII (FDA)	C945Z80O8X

Computed Descriptors

Molecular Weight	104.85
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	0
Exact Mass	105.0372919
Monoisotopic Mass	105.0372919
Topological Polar Surface Area	1
Heavy Atom Count	6
Formal Charge	0
Complexity	19.1

Physical & Chemical Properties

Melting Point	446 °F (USCG, 1999)
Melting Point	487 °C (decomposes)
Melting Point	230 °C
Density	1.871 g/cu cm at 15 °C
Density	1.85 @25 °C

Physical description & handling notes

• Ammonium fluoborate appears as odorless white crystals. Sinks and mixes with water. (USCG, 1999)
• White odorless solid; [HSDB] Soluble in water; [MSDSonline]
• White powder, orthorhombic
• Odorless
• Sublimes at melting point
• Water solubility (g/100 mL water): 3.09 at -1.0 °C; 5.26 at -1.5 °C; 10.85 at -2.7 °C; 12.20 at 0 °C; 25 at 16 °C; 25.83 at 25 °C; 44.09 at 50 °C; 67.50 at 75 °C; 98.93 at 100 °C; 113.7 at 108.5 °C

GHS Hazard Classification

Reported hazard statements	H290 (50%), H314 (59%), H315 (41%), H319 (41%), H335 (41%), H372

Documented Uses

• Used in metal industry as high-temperature flux; Also used as a catalyst, flame retardant, and lubricant in aluminum cutting-oils; [HSDB]
• Metal Preparation and Pouring [Category: Foundry]
• Mainly used for the high temperature fluxing action required by the metals industry; catalyst; in flame retardants; acts as a solid lubricant in cutting-oil emulsions for aluminum rolling and forming
• Ammonia reacts with fluoroboric acid to produce ammonium fluoborate; also, the fusion of ammonium bifluoride and boric acid

Synonyms

Ammonium tetrafluoroborate; 13826-83-0; Ammonium fluoroborate; AMMONIUM FLUOBORATE; Ammonium borofluoride; Ammonium tetrafluoroborate(1-); Borate(1-), tetrafluoro-, ammonium; DTXSID8065660; C945Z80O8X; AMMONIUM FLUROBORATE [HSDB]; AMMONIUM BOROFLUORIDE (NH4BF4); Ammonium fluoborate (6CI); HSDB 6286; EINECS 237-531-4; RefChem:557723; AMMONIUM FLUROBORATE

Frequently Asked Questions

What are the CAS number and molecular formula of Ammonium Fluoborate?

CAS 13826-83-0; molecular formula BF4.H4N; molecular weight — g/mol.

What other names is Ammonium Fluoborate known by?

Ammonium tetrafluoroborate, 13826-83-0, Ammonium fluoroborate, AMMONIUM FLUOBORATE, Ammonium borofluoride, Ammonium tetrafluoroborate(1-).

Is Ammonium Fluoborate classified as hazardous?

Hazard statements reported: H290, H314, H315, H319, H335.

What are the key physical properties of Ammonium Fluoborate?

Melting Point: 446 °F (USCG, 1999); Melting Point: 487 °C (decomposes); Melting Point: 230 °C; Density: 1.871 g/cu cm at 15 °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.