1) Butylaldehyde 
Butyraldehyde, also known as butanal, is an organic compound with the formula CH3(CH2)2CHO. This compound is the aldehyde derivative of butane. It is a colourless flammable liquid with an acrid smell. It is miscible with most organic solvents. ==Production== Butyraldehyde is produced almost exclusively by the hydroformylation of propylene: Traditi...
CAS Number: 123-72-8. Either of two aldehydes, used especially in making synthetic resins. Chemical formula = C4H8O. Molecular weight = 72.11 g/mol.
a clear, colorless, flammable liquid, CHO, used chiefly as an intermediate in the manufacture of resins and rubber cement. Also called