Introduction
Name: Maleic anhydride
CAS No: 108-31-6
Molecular Formula: C4H2O3
Maleic anhydride sublimes when heated. In case of high heat, open fire or contact with oxidant, there is a risk of combustion. Corrosive. It is slowly hydrolyzed in cold water to produce maleic acid. Contact with strong oxidizers can cause combustion and explosion. If the temperature exceeds 66℃, the polymerization reaction will occur in contact with amines or alkali metals.
Specifications
|
Inspection Items |
Standard |
|
Purity % |
≥ 99.5 |
|
Molten color(Hazen) |
≤ 25 |
|
Melting Point /℃ |
≥ 52.5 |
|
Ignition residue % |
≤ 0.005 |
|
Iron(Fe)/(ppm) |
≤ 2 |
Packing: 25kg/bag.
Other specifications and packings of products can be provided as required.
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Application
Maleic anhydride is mainly used in the manufacture of polyester resins, alkyd resins, pesticides, fumaric acid, and paper treatment agent.
Chemical & physical properties
|
Molecular formula |
C4H2O3 |
|
Molecular weight |
98.057 |
|
CAS NO |
108-31-6 |
|
EINECS NO |
203-571-6 |
|
Density |
1.484 g/cm³ |
|
Appearance |
White crystals or needles |
|
Flash point |
103 ℃ |
|
Melting point |
51-56℃ |
|
Boiling point |
202℃ |
|
Water Solubility |
React to maleic acid |
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