Functional Roles
Industries Served
Physical Properties
physical_description
Dry Powder; Liquid; Other Solid; Pellets or Large Crystals, Other Solid; Pellets or Large Crystals; Dry Powder, Liquid
color/form
WHITE POWDER OR PLATES
boiling_point
160 u00b0C @ 5 MM HG
melting_point
58 u00b0C
flash_point
172 u00b0C c.c.
solubility
SOL IN ALL PROP IN WATER, ALCOHOL; INSOL IN BENZENE, CARBON TETRACHLORIDE
density
1.084 g/cmu00c2u00b3
vapor_density
Relative vapor density (air = 1): 4.63
vapor_pressure
0.0000449 [mmHg]
logp
-0.5
autoignition_temperature
~375 u00b0C
other_experimental_properties
HYGROSCOPIC
GHS / SDS Safety
Danger
Health Hazard
- H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
- Not Classified
- Reported as not meeting GHS hazard criteria by 4784 of 5087 companies (only 6% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Chemical Identity
| CAS Number | 77-99-6 |
| IUPAC Name | 2-ethyl-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | ZJCCRDAZUWHFQH-UHFFFAOYSA-N |
| PubChem CID | 6510 |
| INCI Name | TRIMETHYLOLPROPANE |
Synonyms & Trade Names
Full Description
Trimethylolpropane (TMP) is a trifunctional polyol with the molecular formula C6H14O3, functioning as a humectant in industrial applications. This solid chemical compound (melting point 58°C) serves critical roles in the coatings & construction and lubricants industries. TMP’s three primary hydroxyl groups make it valuable for crosslinking reactions and moisture retention properties in specialized formulations.