Inleiding
naam: malonic acid; propanedioic acid*; methanedicarboxylic acid
* IUPAC
CAS nommer: 141-82-2
molêre massa: 104.06146 g
massa Persent: C 34.625 %; H 3.8744 %; O 61.499 %
klassifikasie
Gebruike / Function
• "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
Fisiese eienskappe
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
oplosbaarheid
kwalitatiewe:
onoplosbare: 3
oplosbare: • • 3
binding


dubbelbindings: 2
trippelbindings: 0
Sigma Bonds: 10
Pi Bonds: 2
Totaal: 12
karboksielgroep Groepe: 2
hidroksielgroepe: 0
reaksies
Chloracetc acid as a starting compound for the preparation of malonic acid.:
4

Vir meer inligting
Bronne
(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