Di Butyl Maleate

Dibutyl maleate is an organic compound with the formula (CHCO2Bu)2 (Bu = butyl). It is the diester of the unsaturated dicarboxylic acid maleic acid. It is a color less oily liquid, although impure samples can appear yellow.

Dibutyl maleate can be prepared by the reaction of maleic acid anhydride and 1-butanol in presence of p-toluenesulfonic acid.

 

Category:

Application

Dibutyl Maleate is used as an additive and intermediate for plastics, pigments, pharmaceuticals, and agricultural Products. Dibutyl Maleate is an intermediate for the production of paints, adhesives and copolymers. It is used in many organic synthesis including as a dienophile for diene syntheses.

Chemical formula

C12H20O4

Molar mass

228.288 g·mol−1

Appearance

Colorless to yellowish liquid with a characteristic odor[

Density

0.99 g·cm−3

Melting point

−85 °C (−121 °F; 188 K)

Boiling point

280 °C (536 °F; 553 K)

Solubility in water

Very hardly soluble (0.17 g·l−1 at 20 °C)

Vapor pressure

0.0027 hPa (20 °C)

Refractive index (nD)

1.445 (20 °C)

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