Names
Systematic IUPAC nameSodium methanoate
Other names
formic acid, sodium salt, sodium hydrocarbon dioxide
Identifiers
CAS Number: 141-53-7
JSmol: Interactive image
ChEMBL: ChEMBL183491
ChemSpider: 8517
ECHA InfoCard: 100.004.990
EC Number: 205-488-0
E number: (preservatives)
PubChem: 2723810
UNII: 387AD98770
Properties
Chemical formula: HCOONa
Molar mass: 68.007 g/mol
Appearance: deliquescent
Density: 1.92 g/cm (20 °C)
Melting point: 253 °C (487 °F; 526 K)
Boiling point: decomposes
Solubility in water: 43.82 g/100 mL (0 °C)
97.2 g/100 mL (20 °C)
160 g/100 mL (100 °C)
Solubility: ether
K: 7.0-8.5 (0.1M)
Thermochemistry
Specific
heat capacity: 82.7 J/mol K
Std molar
entropy: 103.8 J/mol K
Std enthalpy of
formation: -666.5 kJ/mol
Gibbs free energy: -599.9 kJ/mol
Hazards
EU classification: not listed
NFPA 704:
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references