| Maleic Anhdride is produced by vapor fixde bed oxidation from benzene.Its molecnlar formula,C4 H 2 O 3 ,molecular weight 98.02.
Description:Maleic Anhydride is white needle crystalliod with pungent odor.It sublimes,M.P52.85°C,b.p202°C,relative density 1.48(20°C solid)or 1.30(liquid 70°C).Its solubility in all organic solvents is as follows.
| Solvents |
Value(g/100g solvents.25°C)
|
| benzene |
50.0
|
| toulene |
23.4
|
| xylene |
19.4
|
| tetrachlormethane |
0.6
|
| acetic ether |
112.0
|
| acetone |
227.0
|
| chloroform |
52.5
|
The vapour pressure of MAN as follows
| Temperature°C |
Vapour pressure |
Temperature°C |
Vapour pressure kpa
|
| 44.0 |
0.13 |
122.0 |
8.00
|
| 63.4 |
0.67 |
135.0 |
13.30
|
| 78.7 |
1.30 |
155.9 |
26.7
|
| 95.0 |
2.70 |
179.5 |
53.30
|
| 118.8 |
5.30 |
202.0 |
100
|
Specification
| Property |
unit |
Value |
| Appearance |
|
White Pastille,Briquet Molten type |
| Purity |
wt% |
99.50Min |
| Solidification |
°C |
52.45Min |
| Molten Color |
APHA |
20Max |
| Ash |
wt/% |
0.003Max |
| Iron |
PPM |
5Max |
| Thermal stability 140°C 2h |
|
30Max |
| Thermal stability 185°C 15min |
|
30Max |
Application:
Maleic Anhydride is the base material in unsaturated polyester resin,used in the manufacture of a wide Variety of
consumer products,including paper sizes,coating pharmaceutics,agriculture insecticide,additives of oil products and modifide alkyd resins.The use of MA is also rapidly increasing for production of butanediol and its derivatives.
Packing:
In polypropylene-woven flexible bag (PE film inside) or compound bag of kraft paper,Net weight 23kg
Caution:
to aviod expose to wet,do not toch skin,eyes,because of MA is corrosive.
Conneting with:CUI HONG SHI @ZHAO BAO ZHONG
TEL:022-24990953,24991866,24982933
Foreign trade conneting with:LIUKAI
TEL:022-23343998
FAX:022-23538562
|
