Complaint
| Item | Standard |
| Product Name | MA ,Maleic Anhydride,2, 5-Furandine,Cis-Butenedioic Anhydrides |
| Content (w, %) | ≥99.5% |
| CAS NO | 108-31-6 |
| EINECS No. | 203-571-6 |
| Appearance | White flake active granular crystal |
| Melting chroma / Hazen unit | ≤25 |
| Crystallization point / ºC | ≥52.5 |
| Mass fraction of burning residue /% | ≤0.005 |
| Mass fraction of iron (calculated by FE)/( μ g/g) | ≤3 |
| Molecular Formula | C4H2O3 |
| Application | Coating Auxiliary Agents, Leather Auxiliary Agents etc. |
| 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 |
25kg/bag,25tons/fcl,without pallets,20tons/fcl,with pallets,
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, tetrahydrofuran.
