Product overview

Trimethylolpropane (TMP), represented by the formula CH₃CH₂C(CH₂OH)₃, is a fundamental molecule in the realm of polymer chemistry.

Classified as a triol, TMP possesses three hydroxyl (OH) functional groups, enabling it to readily participate in various condensation reactions.

Properties

Physical State	White flake crystal
Solubility	Soluble in water and alcohols
Insolubility	N/A
Odor	Faint odor
Crosslinking	Crosslinking is a crucial process in polyester formation. It involves creating additional covalent bonds between individual polyester chains.

Applications

In polyester resins, TMP acts as a crosslinking agent. Its hydroxyl groups readily react with carboxylic acid groups in polyester chains, forming a more robust and heat-resistant network. These polyesters have extensive applications in:

Coatings (paints, varnishes) for improved durability and adhesion.

Adhesives for enhanced strength and performance.

Fibers (e.g., polyester clothing) for superior wear resistance.

TMP functions as a chain extender in polyurethane resins. It lengthens the polymer chains, leading to:

Increased elasticity for flexibility and shock absorption in applications like foams and elastomers.

Structural Identifiers

Linear Formula	C6H14O3
CAS No.	77-99-6
MDL Number	MFCD00004694
EINECS No.	204-528-4
Beilstein/Reaxys No.	4-01-00-02786
Pubchem CID	6510
IUPAC Name	2-ethyl-2-(hydroxymethyl)propane-1,3-diol
SMILES	CCC(CO)(CO)CO
InChI Identifier	InChI=1S/C6H14O3/c1-2-6(3-7,4-8)5-9/h7-9H,2-5H2,1H3
InChI Key	ZJCCRDAZUWHFQH-UHFFFAOYSA-N
ChEBI	183310
Synonyms:	TMP (alcohol) 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-Ethyltrimethylolmethane 1,1,1-Trimethylolpropane Tri(hydroxymethyl)propane Propylidynetrimethanol 2,2-Bis(hydroxymethyl)-1-butanol 1,1,1-Tri(hydroxymethyl)propane Methanol, (propanetriyl)tris-Tris(hydroxymethyl)propane
Grades	Industrial grade
Groups	Polyester
MARKETS	Polyester

Packaging

25 KG BAG, 500 KG BAG

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Published reference specifications. Confirm the current grade, SDS / TDS / COA, packaging and delivery terms with your quotation.