CAS108-31-6——Productname:Maleic anhydride

Short Description:

Maleic anhydride is an organic compound with the formula C2H2(CO)2O. It is the acid 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.
Property specification
excellent first grade qualified
Appearance white,light yellow piece or sliced crystal
content(based on maleic anhydride)≥ 99.5 99.0 98.5
molten colour ≤ 25 50 100
solidification point≥ °C 52.4 52.0 51.5
ash % ≤ 0.005 0.005 -
Fe content ppm ≤ 5 – -

Product Detail

Product Tags

Packing specification


Iron drum & plastic drum packaging
25kg per unit
170kg per unit
1 ton per unit
Plastic bag & kraft paper bag & fiber drum
1kg per bag
25kg per bag/drum


Transit could be DHL,UPS,TNT,EMS,Fedex,and so on.
For mass orders, it will be delivered by air or sea.
Depending on your location, please allow 1-5 business days for your order to arrive.
For small order, please expect 3-7 days by UPS DHL EMS.
For mass order, please allow 5-8 days by Air, 15-30 days by Sea.


1.OEM/ODM Available.
2.Door to door shipping service is available.
3.Selecting raw materials strictly,our products are the highest purity.
4.Reasonable and competitive price. Provide the best and professional service.
5.Fast delivery of the samples ,samples from stock. Reliable shipping way.
6.Full experience of large numbers containers loading in Chinese sea port.
7.Best after-service after shipment .
8.Professional documents for your custom clearance.


Used for the production of 1, 4-butanediol, γ -butanolactone, tetrahydrofuran, succinic acid, unsaturated polyester resin, alkyd resin and other raw materials, but also used in medicine and pesticides.  Maleic anhydride, also known as maleic anhydride, maleic anhydride, dehydrating maleic anhydride, is an important unsaturated organic anhydride basic raw material, used in the production of pesticides for the synthesis of organic phosphorus insecticide malathion diethyl maleate, pyrazinophosphorus intermediate chemicalbook1-phenyl-3, 6-dihydroxy pyrazine,  As well as pyrethrin insecticide, amthrin, fungicide, crestendan intermediates, in addition, also used in the production of unsaturated polyester resin, ink additives, paper additives, coatings and pharmaceutical industry, food industry, etc..  Mainly used for the production of unsaturated polyester resin, alkyd resin, pesticide malathion, high efficiency and low toxicity pesticide 4049, long-term iodine amine raw materials.  Also coating, maleic rosin Chemicalbook, polymaleic anhydride, maleic anhydride - styrene copolymer.  It is also the production of ink additives, paper additives, plasticizers and tartaric acid, fumaric acid, tetrahydrofuran and other organic chemical raw materials.

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