Colorless Transparent Liquid Diethyl maleate DEM CAS141-05-9

Cas:141-05-9
Molecular formula:C8H12O4
Molecular weight:172.18
Einecs:205-451-9
Apperance:Colorless Transparent Liquid
Synonyms:Z)-2-BUTENEDIOICACIDDIETHYLESTER; (Z)-DIETHYL-2-HYDROXYBUTENEDIOATE; MALEICACIDDIETHYLESTER

CAS: 141-05-9

MF: C8H12O4

Purity: 99%min

What is Diethyl maleate？

Diethyl maleate is a colorless and transparent liquid at normal temperature and pressure, insoluble in water, but soluble in ethanol and ether. Diethyl maleate is a maleate ester formed by the formal condensation of two carboxyl groups of maleic acid with ethanol. It is a thiol-reactive α,β-unsaturated carbonyl compound that can consume glutathione in exposed cells. glycopeptide.

Specification

Item	Standard	Result
Appearance	Colorless clear liquid	Conforms
Assay（HPLC）	Not less than 98%	99.28%
Water content	Not more than 0.1%	0.04%
Acidity	Not more than 0.1%	0.02%

Application:

1.Diethyl maleate Used in the preparation of organic phosphorus insecticide malathion on pesticides, and also as an intermediate for spices and water quality stabilizers (organic polycarboxylate phosphonic acid compounds).

2.Diethyl maleate is a polymer monomer and an intermediate of pesticides, fragrances, and water stabilizers (organic polycarboxylate phosphonic acid compounds).

3.Diethyl maleate Mainly used for the production of organic phosphorus pesticide malathion.

4.Diethyl maleate used in the preparation of organic phosphorus insecticide malathion on pesticides, and also as an intermediate for spices and water quality stabilizers (organic polycarboxylate phosphonic acid compounds); also be used for the determination of ammonia and potassium in the production of spices. Gas chromatography stationary liquid (with a maximum operating temperature of 40 ℃ and solvents of benzene, chloroform, and ethanol).

5.Diethyl maleate also be used solvents, plasticizers, organic synthesis, insecticides, polymer monomers, and plastic additives for resins and nitrocellulose.