Glycerin Monostearate Synonym: Glycerol Monostearate Description: Glycerin monostearate(GMS),molecular weight 358. Commercial products usually are yellowish solid wax in flake or poweder form, without odour and toxicity, containing a small quantity of glycerol distearate and glycerol tristearate. GMS is oil soluble non-ionic surfactant with HLB value of 3.6 - 4.0. Specification: Item GMS-A GMS-B Monoester ％ 32-38 40-42 Appearance White or yellowish Solid wax or flake Iodine value(gI2∕100g)≤ 3.0 3.0 Freezing point(℃)≥ 53 53 Free acid(stearic acid %)≤ 2.5 2.5 Pb % ≤ 0.0005 0.0005 As % ≤ 0.0001 0.0001 Fe %≤ 0.0002 0.0002 Package:25kgs bags