naam: malonic acid; propanedioic acid*; methanedicarboxylic acid
* IUPAC
CAS nommer: 141-82-2
chemiese formule: C₃H₄O₄ or CH₂(COOH)₂
molêre massa: 104.06146 g
massa Persent: C 34.625 %; H 3.8744 %; O 61.499 % 

• organiese • karboksielsuur

• "A dibasic acid formed by the oxidation of malic acid and active in the tricarboxylic acid cycle in carbohydrate metabolism. Its inhibition of succinic dehydrogenase is the classic example of competitive inhibition. Malonic acid is found in beets." 1

Smeltpunt:*
136°C 2 = 409.15 K = 276.8°F
135°C †3 = 408.15 K = 275°F

digtheid (g/cm3):
1.619 at 10°C 3
* - 1 atm pressure
† - ontbind

kwalitatiewe:
onoplosbare:  3
oplosbare:  • • 3

dubbelbindings: 2
trippelbindings: 0
Sigma Bonds: 10
Pi Bonds: 2
Totaal: 12
karboksielgroep Groepe: 2
hidroksielgroepe: 0

Chloracetc acid as a starting compound for the preparation of malonic acid.: 4

Wikipedia

(1) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 22.
(2) - Estok, George K. Organic Chemistry: A Short Text; W.B. Saunders: Philadelphia, 1959; p 138.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 3-271.
(4) - Nathan Weiner. "Malonic acid". Org. Synth.; Coll. Vol. 2, p. 376