3253. Dimethylolpropionic Acid

Nomenclature

CAS number: 4767-03-7
3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid; 2,2-bis(hydroxymethyl)propionic acid; dihydroxypivalic acid; DMPA (Geo).
C5H10O4; mol wt 134.13.
C 44.77%, H 7.51%, O 47.71%.

Description and references

Prepn: H. Koch, T. Zerner, Monatsh. Chem. 22, 447, 450 (1891); K. E. Wilzbach et al., J. Am. Chem. Soc. 70, 4069 (1948); R. Riemschneider et al., Monatsh. Chem. 88, 1099 (1957); H. Vieregge, J. F. Arens, Rec. Trav. Chim. 78, 921 (1959).

Chemical structure

Properties

Free-flowing granular powder, mp 181-185°. Sol in water, methanol. Slightly sol in acetone. Insol in benzene.

Use

In prepn of water-sol alkyl resins.