| |
Molecular formula: C4H2O3 |
Molecular weight: 98:02 |
It is white grain or piece substance with pungent odor. It sublimate easily. In open air it easily becomes into maleic acid which is rather corrosive. It dissolve in acetone, ether, ethyl acetate, etc.
|
| It used in production of unsaturated polyester resino. It used on coating, pharmaceutics, agricultural, surfactant, additive of plastics, etc. it is main material of binary acid with four carbons, 1, 4-butanediol, rbutyrolactone, tetrahydrofuran |
Quality standard : |
GB 3676-92 |
| ASTMD : |
3504-96 |
| |
|
| Content % |
99.5 |
99.0 |
| Freezing point C > |
52.4 |
52.0 |
| Ash % < |
0.005 |
0.005 |
| Iron ppm < |
5 |
5 |
|
| |
| Note: It was considered as quality brand in one of the province in China during 1996, 1997, 1998, 1999 |
Package: With plastical woven lined with PE bag, 25kg per bag. |
| Storage: kept in a well-closed, dry and cool place. |
| |
|
