... -65-3EINECS:220-971-6Molecular Weight:324.2848Molecular Formula:C12H20O10Appearance:white powderSafety Description:S24/25Synonyms:HPMC;(2R,3R,4S,5R,6S)-3 ... ,5,6-trimethoxy-2-(methoxymethyl)tetrahydropyran-3-yl]oxy-tetrahydropyran; 1-[[(2R,3R,4S,5R,6S)-3,4,5-tris(2-hydroxypropoxy)-6 ... , construction and coating materials. HOT! Hydroxypropyl Methylcellulose/HPMC CAS:9004-65-3