Sodium tetrafluoroborate

Sodium tetrafluoroborate
Names
	Other names Sodium fluoroborate; Borate(1-), tetrafluoro-, sodium;
Identifiers
CAS Number	13755-29-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	24462 ;
ECHA InfoCard	100.033.931
EC Number	237-340-6;
PubChem CID	4343483;
UNII	CFC805A5WR ;
CompTox Dashboard (EPA)	DTXSID9021477 ;
	InChI InChI=1S/BF4.Na/c2-1(3,4)5;/q-1;+1;
	SMILES [B-](F)(F)(F)F.[Na+];
Properties
Chemical formula	NaBF4
Molar mass	109.79 g·mol−1
Density	2.47 g/cm3
Melting point	384 °C (723 °F; 657 K)
Solubility in water	108 g/100mL
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340+P310, P305+P351+P338+P310, P363, P405, P501
NFPA 704 (fire diamond)	3 0 0
Threshold limit value (TLV)	2.5 mg/m3 (TWA)
	NIOSH (US health exposure limits):
PEL (Permissible)	2.5 mg/m3 (TWA)
REL (Recommended)	5 mg/m3 (TWA)
IDLH (Immediate danger)	250 mg/m3
Related compounds
Other cations	Nitrosonium tetrafluoroborate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium tetrafluoroborate is an inorganic compound with formula NaBF₄. It is a salt that forms colorless or white rhombic crystals.

Sodium tetrafluoroborate is used in some fluxes used for brazing and to produce boron trifluoride.