Disodium malonate is a sodium salt of malonic acid with the chemical formula CH2(COONa)2. It is a white crystal soluble in water but not in alcohols, esters or benzene. It can be prepared from the reaction of sodium hydroxide and malonic acid:

Disodium malonate
Names
Preferred IUPAC name
Disodium propanedioate
Other names
Sodium malonate
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.005.013 Edit this at Wikidata
EC Number
  • 205-14-0
UNII
  • InChI=1S/C3H4O4.2Na/c4-2(5)1-3(6)7;;/h1H2,(H,4,5)(H,6,7);;/q;2*+1/p-2 ☒N
    Key: PRWXGRGLHYDWPS-UHFFFAOYSA-L ☒N
  • [Na+].[Na+].[O-]C(=O)CC([O-])=O
Properties
C3H2O4Na2
Molar mass 148.025 g/mol
Boiling point 659.93K
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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CH2(COOH)2 + 2 NaOH → CH2(COONa)2 + 2 H2O