Trimethylolpropane(TMP)
Products
Trimethylolpropane(TMP)

Chemical name: 2-ethyl-2-hydroxymethyl-1,3-propanediol

Structural formula: CH3CH2C(CH2OH)3

Physical and Chemical properties:It is white crystal under ordinary temperature, the boiling point is 295℃ under ordinary pressure, Melting point is 58-59℃, Density of relativeity is 1.1758(20℃). Easy soluble in acetone, soluble in carbon tetrachloride, chloroform and ether. Insoluble in fatty hydrocarbon and aromatic hydrocarbon. stronger hygroscopic. There are three hydroxymethyls on the a position of TMP molecule, it possesses the following excellent properties: it can improve solidity, corrosion-resistant, sealing, and possesses good stability to water-decomposing, heat-decomposing and oxidation. Three hydroxyls have same reaction energy and so on.

Product standard:

Item

Index

Appearance

White flake crystal

Hydroxyl value %≥

37.5

Crystalline point ℃ ≥

58-59

Water % ≤

0.1

Acidity (As formic acid) % ≤

0.002

Pack and transportation: In 25kg net paper-cloth-film bags lined with polyethylene bags. It should be prevented from wet, sunshine, fire and broken, during transportation.18MT/20'FCL

···
 
·