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.

Use:The use is wide. It is mainly used to producing Alkyd resin, Polyurethane and so on. In addition, it is raw material of synthetic lubricating oil, plasticizer, surface active agent, explosive and other fine chemicals.

Product standard:

Item

Index

Appearance

White flake crystal

Hydroxyl value %≥

37.5

Crystalline point ℃ ≥

58-59

Water % ≤

0.1

Ash content % ≤

0.005

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

Back
99久久精品国产一区二区蜜芽_91中文字幕无码永久在线_精品亚洲国产成人av_又黄又湿啪啪响18禁男男_人妻aⅴ中文字幕_国产精品福利小视频_亚洲日韩色欲色欲com_亚洲综合无码无在线观看_日韩欧美毛片免费看中文字幕_黄色在线视频免费