| a white, crystalline, water-soluble, dibasic acid, C3H4O4, easily decomposed by heat: used chiefly as an intermediate in the synthesis of barbiturates. |

malonic acid ma·lo·nic acid (mə-lō'nĭk, -lŏn'ik)
n.
A white crystalline dicarboxylic acid derived from malic acid and used in the manufacture of barbiturates.
| malonic acid (mə-lō'nĭk, -lŏn'ĭk) Pronunciation Key
A white crystalline acid derived from malic acid and used in making barbiturates. Chemical formula: C3H4O4. |
malonic acid
(HO2CCH2CO2H), a dibasic organic acid whose diethyl ester is used in syntheses of vitamins B1 and B6, barbiturates, and numerous other valuable compounds.
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