Trimethylolpropane also known as methanol three propane, or TMP, the scientific name of 2 - ethyl-2-hydroxymethyl 1,3-propanediol. Molecular 134.17. White lamellae, hygroscopicity. The relative density of 1.0889, 58.8 ° C melting point, boiling point of 295 ° C, flash point (say) 180 ° C, 93 ° C and ignited l, moisture absorption rate (RH70% -80%) 0.23%. Soluble in water, alcohols, glycerol, N, N-dimethylformamide. Some soluble acetone, ethyl acetate. Micro-soluble ether, chloroform, carbon tetrachloride. Insoluble aliphatic hydrocarbons, aromatic hydrocarbons and halocarbons. Combustible slightly toxic. By formaldehyde, butyraldehyde in alkaline medium from condensation. alkyd coatings for the production, mainly for the production of polyurethane resin, but also for the synthesis of multi-functional groups of acrylic.
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