Formate

Formate
Aromatic ball and stick model of formate	Space-filling model of formate
Names
	Preferred IUPAC name Formate
	Systematic IUPAC name Methanoate
	Other names Formylate; Methylate; Isocarbonite; Carbonite(1-); Hydrogencarboxylate; Metacarbonoate; Oxocarbinate; Oxomethyl oxide ion; Oxomethoxide
Identifiers
CAS Number	71-47-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	277 ;
MeSH	Formates
PubChem CID	283;
UNII	0YIW783RG1 ;
	SMILES O=C[O-];
Properties
Chemical formula	HCOO−; or HCO−; 2
Molar mass	45.017 g mol−1
Conjugate acid	Formic acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Formate (IUPAC name: methanoate) is the conjugate base of formic acid. Formate is an anion (HCO−2) or its derivatives such as ester of formic acid. The salts and esters are generally colorless.^[1]

^ Werner Reutemann and Heinz Kieczka "Formic Acid" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. doi:10.1002/14356007.a12_013