2-Methyl-2,4-pentanediol (MPD) is an organic compound with the formula (CH3)2C(OH)CH2CH(OH)CH3. This colourless liquid is a chiral diol. It is produced industrially from diacetone alcohol by hydrogenation. Total European and USA production was 15000 tonnes in 2000. 2-Methyl-2,4-pentanediol exists as two enantiomers, (4R)-(-) and (4S)-(+). In the Protein Data Bank, the 3-letter code "MPD" refers to the (S)-(-) enantiomer, while "MRD" is used to refer to the (R)-(+) version. Commercial products labeled "MPD" are usually the racemate, also sold as and referred to as "hexylene glycol".
2-Methyl-2,4-pentanediol (MPD) is used in aquious emultions (pvc / acrylics), paint & varnishes, hydraulic fluids, oil & emultions to textile & leather ind, anti caking for chemicals and deravitives industries, pesticides, perfumes & cosmetics and pharma intermediateries.