... Butanediol BDO(110-63-4 ) 1.CAS:110-63-4 2.Molecular formula:C4H10O2 3.Molecular weight:90.121,4 Butanediol ... PBT is one of the five most promising engineering plastics.(2). 1, 4-butanediol is the main raw material for producing ... , cosmetics and other industries due to its ability to produce 2-pyrrolidone, NMP and their derivatives NVP and PVP etc. High add ...