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