Dimethylolpropionic Acid
Title: Dimethylolpropionic Acid
CAS Registry Number: 4767-03-7
CAS Name: 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid
Additional Names: 2,2-bis(hydroxymethyl)propionic acid; dihydroxypivalic acid
Trademarks: DMPA (Geo)
Molecular Formula: C5H10O4
Molecular Weight: 134.13
Percent Composition: C 44.77%, H 7.51%, O 47.71%
Literature 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).
Properties: Free-flowing granular powder, mp 181-185°. Sol in water, methanol. Slightly sol in acetone. Insol in benzene.
Melting point: mp 181-185°
Use: In prepn of water-sol alkyl resins.

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