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
CAS Number	77-99-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	6264 ;
ECHA InfoCard	100.000.978
EC Number	201-074-9;
MeSH	C018163
PubChem CID	6510;
UNII	090GDF4HBD ;
CompTox Dashboard (EPA)	DTXSID2026448 ;
	InChI InChI=1S/C6H14O3/c1-2-6(3-7,4-8)5-9/h7-9H,2-5H2,1H3 Key: ZJCCRDAZUWHFQH-UHFFFAOYSA-N ;
	SMILES CCC(CO)(CO)CO;
Properties
Chemical formula	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)	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). verify (what is ?) Infobox references

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.