|
Description |
White, odorless granules or crystalline powder. It is soluble in alcohol, slightly soluble in water and in ether, and very slightly soluble in chloroform |
|
|
Chemical Name |
Trans-butenedioic acid |
|
|
Molecular Formula |
C4H4O4 |
|
|
Structural Formula |
|
|
|
Molecular Weight |
116.07 |
|
|
Solubility |
(g/100g) |
|
|
in water at 25 |
0.7 |
|
|
in water at 100 |
9.8 |
|
|
in alcohol at 30 |
5.76 |
|
|
in dimethyl benzene at 20 |
0.03 |
|
|
Specification |
Assay(as C4H4O4) |
99.5%~100.5%(anhydrous basis) |
|
Melting Point |
294oC~300oC |
|
|
Arsenic(as As) |
3mg/kg Max |
|
|
Heavy Metals(as Pb) |
10mg/kg Max |
|
|
Maleic Acid |
0.10% Max |
|
|
Residue on Ignition |
0.1% Max |
|
|
Water |
0.5% Max |
|