Palm Oil-Based Crude Glycerin with 80-85% Glycerol Min., is a dark brown liquid, derived from trans-esterification of virgin crude palm oil (Elaeis guineensis). It is 100% vegetable oil-based and halal-certified. Crude Glycerin 80-85% can be refined to technical grade Glycerin (95 â?? 97% of Glycerol) as well as United State Pharmaceutical/ British Pharmaceutical (USP/ BP) Grade Glycerin (99.5%). Specification: Parameter Specifications Typical, (w/w, %) Glycerol Content 80.0 Min. 87.3 Water (Karl Fischer Method) 5 % Max 3.0 Ash Content 10 % Max 7.0 Methanol 1 % max 0.2 Matter of Non-Glycerol 5 % Max 3.0