Product Description:
Methacrolein, also known as 2-methylpropenal, is an unsaturated aldehyde with the chemical formula C₄H₆O. It is a clear, colorless to slightly yellowish, volatile liquid with a pungent, acrid odor. Methacrolein is primarily used as an intermediate in the production of polymers, resins, and various organic chemicals. Due to its reactivity, it is a valuable building block in chemical synthesis.
Product Properties:
Property Value Chemical Formula
C₄H₆O
CAS Number
78-85-3
Molar Mass
70.09 g/mol
Appearance
Colorless to slightly yellowish liquid
Odor
Pungent, acrid
Density
0.837 g/cm³ at 20 °C
Melting Point
-81 °C (-114 °F; 192 K)
Boiling Point
68.4 °C (155.1 °F; 341.5 K)
Solubility in Water
5.9 g/100 mL at 20 °C
Vapor Pressure
121 mmHg at 2
Flash Point
-15 °C (5 °F)
Product Usage:
Methacrolein is a key intermediate in various industrial applications. It is extensively used in the synthesis of methyl methacrylate (MMA), a monomer for producing polymethyl methacrylate (PMMA) plastics, also known as acrylic glass. Additionally, Methacrolein is employed in the manufacturing of resins, coatings, and agricultural chemicals. Its reactivity makes it suitable for producing specialty chemicals and as a cross-linking agent in polymer production. For instance, it serves as a precursor for vitamins and fragrances.
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