CAS NO: 115-77-5 Molecular Formula: C5H12O4 Items 98Grade 95Grade 90 Grade 86 Grade Content of Mono Pentaerythritol % ≥ 98.0 95.0 90.0 86.0 Hydroxy Value % ≥ 48.5 47.5 47.0 46.0 Heating Loss % ≤ 0.20 0.50 0.50 0.50 Ash % ≤ 0.05 0.10 0.10 0.10 Phthalic Color (Fe, Co, Cu) ≤ 1 2 2 4 It is mainly used for resins ,polyurethanes,rosin esters synthetic lubricants ,pigment treatment. Package: 25kg/woven bag