Welcome to Weifang Hansheng Chemical Co., Ltd.
Welcome to Weifang Hansheng Chemical Co., Ltd.
Product name: Diethyl maleate
CAS RN: 141-05-9
Molecular formula: C8H12O4
Molecular weight: 172.1785
Physical properties: density 1.064; melting point -10°C; boiling point 225°C; refractive index 1.438-1.442; flash point 93°C; water-solubility insoluble
Reference Quality Index
Item
|
Index
|
|
Top grade
|
Qualified product
|
|
Appearance
|
Colorless transparent oily liquid
|
Colorless transparent oily liquid
|
DEM content%
|
99.0 min
|
97.0~99.0
|
DEF content (GC)%
|
1.0max
|
3.0max
|
Acid value (mg KOH/g)
|
0.1 max
|
0.1 max
|
Chroma (APHA)
|
30max
|
30max
|
Moisture%
|
0.1 max
|
0.1 max
|
Uses: Used as a pesticide intermediate, used in the preparation of organic phosphorus pesticide malathion, but also used in the production of perfume solvents, insecticides, polymer monomers, plastic additives.