Chemical

Products

Trimethylolpropane

Cas Number

77-99-6

Other Names

TMP, 2-ethyl-2-hydroxymethyl-1,3-propanediol

The formula

C6H14O3

Introduction

Trimethylolpropane (TMP) is the organic compound with the formula CH3CH2C(CH2OH)3. This colourless solid is a triol. Containing three hydroxy functional groups, TMP is a widely used building block in the polymer industry.

Physical and Chemical Properties
Molar mass 134.17 g/mol
Density 1.084 g/mL
Melting point 58 °C (136 °F; 331 K)
Boiling point 289 °C (552 °F; 562 K)
Applications

Triphosgene is used as a reagent in organic synthesis and is a less hazardous substitute for phosgene for a variety of chemical transformations including to bond one carbonyl group to two alcohols, and to convert an amine group into isocyanate.