CAS No. 115-77-5 
Molecular Formula: C5H12O4
It is mainly used for resins, radiation curing monomers, polyurethanes, rosin esters, synthetic lubricants and pigment treatment.

Executive Standard:  GB/T7815-2008

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