Product Description
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. It is produced industrially on a large scale for applications in coatings and polymers.At room temperature, it is a white flaky crystal with irritant odour and sour, inflammable and sublimating. It can be freely dissolved in water to form maleic acid. It has a specific density of 1.480, a melting point of 52.85 °C, and a boiling point of 202°C.
Item |
Specifications |
Result |
Superior |
Qualified |
Appearance |
White briquettes or blocky crystals |
White briquettes |
Purity w/% ≥ |
99.7 |
99.5 |
99.85 |
Melt Color/Hazen(Pt-Co)≤ |
25 |
50 |
10 |
Heat stability@140ºC,120mins/Hazen(Pt-Co)≤ |
According to customer's requirement |
30 |
Soildification PointºC≥ |
52.5 |
52.5 |
52.60 |
Iron,w(mg/kg)≤ |
2 |
3 |
0.28 |
Residue on ignition,%≤ |
0.005 |
0.002 |
Maleic anhydride used in the production of polyester resins, alkyd resins, medicines and pesticides, as well as ink additives, papermaking additives, coatings, pharmaceutical industry, food industry, etc.
25kg/bag , according to customer requirement
Efficiently treating our customers as partners with sincerity, specialization and satisfaction is our managerial principle. Attributed to the backup of a dedicated technical team and rich experience in product quality control, technical solution, chemical logistics organization, packaging optimization, port operation, etc., which accounts for its first-class cost control management and ensures to maintain the overwhelming competitive advantage over others.
In line with the principle of sharing the preferential cost and joint development, the company has formed an interesting community for years with its customers at home and abroad. Sincerely to build up a pleasant mutual trust, cooperative, win-win, and value-added sustainable partnership is what we are achieving to grow together with you!
Q: Are you a manufacturer or a trading company?
A: We are a manufacturer located in Hebei Province.
Can I get some samples before I place an order?
A: Yes, we can provide free samples, but you will pay the freight.
Q: How long will it take to get a sample?
A: 7-10 days for general products, 30-40 days for customized products. Depends on production arrangements.
Q: What documents do you provide?
A: Usually we provide commercial invoice, packing list, bill of lading, COA, health certificate. If your market has any special requirements, please let us know.