English name: Diethyl fumarate
Alias: Ethyl maleate; Maleic acid diethyl ester; cis-Propenoic acid diethyl ester; Diethyl malcate; diethyl but-2-enedioate; diethyl (2Z)-but-2-enedioate
CAS: 141-05-9
Appearance: colorless transparent or light yellow liquid
Molecular formula C8H12O4
Molecular weight: 172.18
Content ≥99
Density: g/cm³ 1.063
PH 1
Moisture ≤ 0.10%
Melting point約-11.5℃
Boiling point: 225℃106℃(2.0kpa)
Relative density 1.063（20/20℃）
Refractive index: 1.4415
Flashing point: 93℃
Solubility: easily soluble in alcohol and common organc solvent; lightly soluble in water
Uses: Mainly used in manufacturing of malathion, a kind of organophosphorus pesticide; intermediate of medical, perfume and water stability; solvent, pesticide, plastic additive
Packaging: 200kg/plastic drum