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Sodium formate

Sodium formate
Structural formula of sodium formate
Ball-and-stick model of the formate anion
Ball-and-stick model of the formate anion
Names
Systematic IUPAC name
Sodium methanoate
Other names
  • formic acid, sodium salt
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.990 Edit this at Wikidata
EC Number
  • 205-488-0
E number E237 (preservatives)
UNII
  • InChI=1S/CH2O2.Na/c2-1-3;/h1H,(H,2,3);/q;+1/p-1 checkY
    Key: HLBBKKJFGFRGMU-UHFFFAOYSA-M checkY
  • InChI=1/CH2O2.Na/c2-1-3;/h1H,(H,2,3);/q;+1/p-1
    Key: HLBBKKJFGFRGMU-REWHXWOFAN
  • [Na+].[O-]C=O
Properties
HCOONa
Molar mass 68.007 g/mol
Appearance white granules
deliquescent
Density 1.92 g/cm3 (20 °C)
Melting point 253 °C (487 °F; 526 K)
Boiling point decomposes
43.82 g/100 mL (0 °C)
97.2 g/100 mL (20 °C)
160 g/100 mL (100 °C)
Solubility insoluble in ether
soluble in glycerol, alcohol, formic acid
Thermochemistry
82.7 J/mol K
103.8 J/mol K
-666.5 kJ/mol
-599.9 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Sodium formate, HCOONa, is the sodium salt of formic acid, HCOOH. It usually appears as a white deliquescent powder.

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