Maleic Anhydride

Produced from the oxidation of benzene or butane, Maleic Anhydride is a versatile petrochemical used in the production of resins, coatings, and polymers. Its applications span various industries including automotive, construction, and electronics, offering exceptional performance and functionality.
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MAN is prepared by catalytic oxidation of n-butane by oxygen in the air. It is used for the production of unsaturated polyester resins, paints, detergents, synthetic fibers and other chemical products.
- Product characteristics: physical state – solid or liquid substance
Parameter | Value | Test method | |
Liquid | Solid | ||
Appearance | Clear liquid | White crystalline substance | Visually |
The content of the main substance, % mass, min | 99.85 | 99.85 | ISO 1390 |
Crystallization temperature, ° С, min | 52.6 | 52.6 | ASTM D1493 |
Ash content, ppm | 5 | 10 | ASTM D482 orISO 1390 |
Maleic acid content, %, mass, max | 0.1 | 0.3 | ASTM D2930 orISO 1390 |
Initial Col our, Hazen | 15 | 20* | ASTM D3366 |
Iron content, ppm | 1 | 3 | ASTM U 09:2015 /ICPMS: UOP 1005 - 14 |
* Solid MAN shall be kept in “Absolute Dry” atmosphere |
1.1 Maleic anhydride, liquid
MAN is prepared by catalytic oxidation of n-butane by oxygen in the air. It is used for the production of unsaturated polyester resins, paints, detergents, synthetic fibers and other chemical products.
Product Features | |
Appearance | Clear Liquid |
GOST/TU | TU 20.14.33-022-81060768-2021 |
Mass fraction of the main substance ,%,not less than | 99.85 |
Initial Colour,Hazen Units,notmore than | 15 |
Free acidity,%wt, not more than | 0,1 |
Shelf Life | 6 Months |
Crystallization temperature ,°C,not less than | 52.6 |
1.2 Maleic anhydride, solid
MAN is prepared by catalytic oxidation of n-butane by oxygen in the air. It is used for the production of unsaturated polyester resins, paints and varnishes,detergents, synthetic fibers and other chemical products.
Product Features | |
Appearance | White Crystaline Substance |
GOST/TU | TU 20.14.33-022-81060768-2021 |
Mass fraction of the main substance ,%,not less than | 99.85 |
Initial Colour,Hazen Units,notmore than | 20 |
Free acidity,%wt, not more than | .15 |
Shelf Life | 6 Months |
Crystallization temperature ,°C,not less than | 52.6 |
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