Audited Supplier
CAS No. 108-31-6
Molecular Formula:C4H2O3
Molecular Weight:98.0
Maleic anhydride is an organic compound with the formula C2H2(CO)2O. It is the acid anhydride of maleic acid. It is a colorless or white solid with an acrid odor.
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
| 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. |
| Item | Specifications | Result | |
| Superior | Qualified | ||
| Appearance | White briquettes or blocky crystals | White briquettes | |
| Purity w/% ≥ | 99.7 | 99.5 | 99.88 |
| Melt Color/Hazen(Pt-Co)≤ | 25 | 50 | 10 |
| Heat stability@140ºC,120mins/Hazen(Pt-Co)≤ | According to customer's requirement | 20 | |
| Soildification PointºC≥ | 52.5 | 52.5 | 52.60 |
| Iron,w(mg/kg)≤ | 2 | 3 | 0.52 |
| Residue on ignition,%≤ | 0.005 | 0.001 | |
| Conclusion | Confirm to superior grade | ||
| Standard | Q/JNHG.J 01098-2018 | ||
Why choose us?
1.We are a chemical-based corporation with good reputation. With many years of experience on exporting and short distance to Qingdao port, we can provide top quality products, super service, competitive price and fast delivery.
2. How to guarantee the quality?
Up-to-date facilities and technology, strict inspection in production process and final product, inspection before delivery.
3. What payment term are acceptable to us?
TT, LC, DP, West Union, PayPal, etc.
4. Is free sample available?
Yes, free sample can be provided, but the courier cost is on your side.
5. What's the loading port and transportation method?
Qingdao, Shanghai, Dalian, Tianjin, Lianyungang, etc.
By sea, railway, road, muti-model transportation.
If you have any question,please contact me any time!!!
