Methacrolein

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Methacrolein
Methacrolein
Chemical name 2-Methyl-2-propenal
Other names Methacrolein
Methacrylaldehyde
Isobutenal
Chemical formula C4H6O
Molecular mass 70.09 g/mol
CAS number [78-85-3]
Density 0.8470 g/cm3
Melting point -81 °C
Boiling point 69 °C
SMILES O=CC(C)=C
Disclaimer and references

Methacrolein, or methacrylaldehyde, is an unsaturated aldehyde. It is a clear, colorless, flammable liquid.

Industrially, the primary use of methacrolein is in the manufacture of polymers and synthetic resins.

Exposure to methacrolein is highly irritating to the eyes, nose, throat and lungs.

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