Product Name

Trimethylol propane CAS 77-99-6

Basic Information

CAS No:77-99-6
Molecular Formula: C6H14O3
Molecular weight:134.17
Appearance: White flakes
Assay: ≥99%


Trimethylol propane Chemical Properties




White flakes



Hydroxyl content (%)




Water content (%)≤0.1

Trimethylol propane USES

1、Trimethylol propaneis mainly used as a substitute for glycerol and also for the synthesis of dry oils.

2、Trimethylolpropane is widely used in the production of polyester and polyurethane foams and is also used in the manufacture of alkyd paints, synthetic lubricants, plasticizers, surfactants, rosin esters and explosives. Also used directly as a textile auxiliaries and PVC resin thermal stability, used in the alkyd resin, can improve the resin’s robustness, color, weather resistance, chemical resistance, sealing.

3、Trimethylol propane used as synthetic resin raw materials, but also for the synthesis of aviation lubricants, plasticizers and so on.

4、Trimethylol propane for the manufacture of composite solid propellant charge coating and insulation layer can also be used for resin modifier and crosslinking agent, but also synthetic resin raw materials and for the synthesis of aviation lubricants, plastic Agent and so on.

Trimethylol propane Packaing

Bags, 25kg

Trimethylol propane Storage

Store in a cool, dry place away from light.

product list

Contact us

Focus on industrial, agricultural, daily life and other chemical development