... Hydroxypropyl Methyl Cellulose: 1.HPMC 2.Purity:98% 3.Appearance:white powder 4.Package:25kg/ bag. Hydroxypropyl Methyl Cellulose : Product Name:Hydroxy Propyl Methyl ... powderSafety Description:S24/25Synonyms:HPMC;(2R,3R,4S,5R,6S)-3,4,5-trimethoxy-2-(methoxymethyl)-6-[(2R,3R,4S, ... 4,5,6-tris(2-hydroxypropoxy)-2-(2-hydroxypropoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran-2-yl]methoxy]propan-2-ol; ...