Trimethylolpropane

Trimethylolpropane
Names
Preferred IUPAC name
2-Ethyl-2-(hydroxymethyl)propane-1,3-diol
Other names
TMP, 2-ethyl-2-hydroxymethyl-1,3-propanediol
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.000.978 Edit this at Wikidata
EC Number
  • 201-074-9
MeSH C018163
UNII
  • InChI=1S/C6H14O3/c1-2-6(3-7,4-8)5-9/h7-9H,2-5H2,1H3 ☒N
    Key: ZJCCRDAZUWHFQH-UHFFFAOYSA-N ☒N
  • CCC(CO)(CO)CO
Properties
C6H14O3
Molar mass 134.17 g/mol
Appearance White solid
Odor Faint odor
Density 1.084 g/mL
Melting point 58 °C (136 °F; 331 K)
Boiling point 289 °C (552 °F; 562 K)
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth (blue): no hazard codeFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability (yellow): no hazard codeSpecial hazards (white): no code
3
Flash point 172 °C (342 °F; 445 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Trimethylolpropane (TMP) is the organic compound with the formula CH3CH2C(CH2OH)3. This colourless to white solid with a faint odor is a triol. Containing three hydroxy functional groups, TMP is a widely used building block in the polymer industry.