CAS No.: | 108-31-6 |
---|---|
Formula: | C4H2O3 |
EINECS: | 203-571-6 |
Characteristics
|
Units
|
Guaranteed Values
|
Results
|
Appearance
|
|
White briquettes
|
White briquettes
|
Purity(by MA)
|
WT%
|
99.5 min
|
99.71
|
Molten Colour
|
APHA
|
25 Max
|
13
|
Solidifying Point
|
ºC
|
52.5 Min
|
52.7
|
Ash
|
WT%
|
0.005 Max
|
<0.001
|
Iron
|
PPM
|
3 Max
|
0.32
|
Functions:
1. Maleic anhydride used in production of unsaturated polyester resin.
2. Maleic anhydride also is used in coating, pharmaceutics, agricultural, surfactant, additive of plastics, etc.
3. Maleic anhydride is main material of binary acid with four carbons, r-butyrolactone, tetrahydrofuran