Trimethylol propane (TMP), white flake crystal. Soluble in water, low carbohydrate alcohol, glycerin,N, N-dimethylformamide, partially soluble in acetone, ethyl acetate, slightly soluble in carbon tetracloride, ether and chloroform. Mainly used in alkyd resin, polyurethane, unsaturated resin, polyester resin, coatings and other fields, can also be used in synthetic aviation lubricating oil, printing ink, etc., can also be used as textile additives and PVC resin heat stabilizer.