Title:  Diethylmalonic Acid 
CAS Registry Number:  510-20-3 
CAS Name:  Diethylpropanedioic acid 
Additional Names:  3,3-pentanedicarboxylic acid 
Molecular Formula:  C7H12O4 
Molecular Weight:  160.17 
Percent Composition:  C 52.49%, H 7.55%, O 39.96% 
Literature References:  Prepn:  Daimler, Ann. 249, 173 (1888); Speck, J. Am. Chem. Soc. 74, 2876 (1952).  Spectral studies:  J. L. Delarbre et al., J. Raman Spectrosc. 16, 11 (1985).  Crystal structure:  A. Dubourg et al., Acta Crystallogr. C44, 1987 (1988). 
Properties:  Crystals, mp 127°.  Dec at 170-180° with liberation of CO2 and formation of diethylacetic acid.  Very sol in water; freely sol in alcohol, ether, slightly in chloroform. 
Melting point:  mp 127°   |