Sodium bifluoride

Sodium bifluoride
Names
	IUPAC name Sodium bifluoride
	Other names Sodium hydrogen fluoride; SBF; Sodium acid fluoride;
Identifiers
CAS Number	1333-83-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	35308427;
ECHA InfoCard	100.014.190
EC Number	215-608-3;
PubChem CID	219061;
UNII	3W2KK83V5G ;
UN number	2439
CompTox Dashboard (EPA)	DTXSID1037010 ;
	InChI InChI=1S/F2H.Na/c1-3-2;/q-1;+1 Key: WKYQUTKZJQOMHI-UHFFFAOYSA-N;
	SMILES [H-](F)F.[Na+];
Properties
Chemical formula	Na[HF2]
Molar mass	61.995 g·mol−1
Appearance	white solid
Density	2.08 g/cm3
Melting point	160 °C (320 °F; 433 K) (decomposes)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H314
Precautionary statements	P260, P264, P270, P280, P301+P310, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Sodium bifluoride is the inorganic compound with the formula Na[HF₂]. It is a salt of sodium cation (Na⁺) and bifluoride anion ([HF₂]⁻). It is a white, water-soluble solid that decomposes upon heating . Sodium bifluoride is non-flammable, hygroscopic, and has a pungent smell. Sodium bifluoride has a number of applications in industry.

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