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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.
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Item
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Specifications
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Result
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Superior
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Qualified
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Appearance
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White briquettes or blocky crystals
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White briquettes
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Purity w/% ≥
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99.7
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99.5
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99.85
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Melt Color/Hazen(Pt-Co)≤
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25
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50
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10
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Heat stability@140ºC,120mins/Hazen(Pt-Co)≤
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According to customer's requirement
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30
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Soildification PointºC≥
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52.5
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52.5
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52.60
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Iron,w(mg/kg)≤
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2
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3
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0.28
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Residue on ignition,%≤
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0.005
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0.002
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25kg/bag , according to customer requirement
Maleic anhydrideUsed mainly for synthesizing unsaturated polyester resins, coatings, pharmaceutics, pesticides, lubricating oil additives, foodstuff additives etc.
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.
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