Basic Information
CAS 108-31-6 Maleic anhydride(MA) Organic Chemical Raw Material
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 |
Products Description
Maleic anhydride(MA) Organic Chemical Raw Material is colorless crystal with strong pungent smell. Its freezing point is 52.8 ºC, boiling point is 202 ºC, and it is easy to sublimate. It is mainly prepared by oxidation of n-butane or butene in benzene or C4 fraction. It is the raw material for unsaturated polyester production and organic synthesis.


Application of 0rganic Intermediate Maleic anhydride(MA):
99.5% Maleic Anhydride is mainly used as a raw material for the production of unsaturated polyester resins, alkyd resins, the pesticide malathion, the high-efficiency and low-toxicity pesticide 4049, and long-lasting iodine amine. It is also the raw material for the production of ink auxiliaries, paper-making auxiliaries, plasticizers, tartaric acid, fumaric acid, oxetane and other organic chemicals.
Company Profile
Gneechem is located in Anyang City, Henan Province, China. It is a well-known supplier and manufacturer of chemical raw materials in China. We provide basic chemical raw materials, organic solvents, pharmaceutical intermediates, and other cost-effective chemical products to domestic and international chemical manufacturers and fine chemical product producers.




FAQ
Q1.: Are you a factory or trading company?
A.: We are manufacturer of some chemical raw materials and trading company, we can help buyers to decide which products are there best choice, and all your inquiry will be replyed within 24 hours
Q2.: Could you send me all your price list?
A.: As we have more than thousands of items. Please inform the items you are interested in, and you will get the price list you want.
Q3.: How to confirm the Product Quality before placing orders?
A.: 1. You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
2. We have sell the chemicals for many years, the quality is the important of our existence.
Q4.: Is there a Discount?
A.: Different quantity has different discount.
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