Benzocyclobutene (BCB) is a high-performance polymer used in the microelectronics industry as a dielectric material for integrated circuits and electronic packaging. It is a thermosetting polymer with a high glass transition temperature, excellent chemical resistance, and low dielectric constant and loss. BCB is also used in the aerospace industry for its high strength and thermal stability. Its unique properties make it a valuable material for a variety of applications where high performance and reliability are required.

English Name: Benzocyclobutene

English Alias: Benzocyclobutene;

Bicyclo [4.2.0] octa-1,3,5-triene;

CAS No. 694-87-1

Molecular formula: C8H8

Molecular weight: 104.14900

Density: 0.957 g/mL at 25 degree C (lit.)

Boiling point: 150 degree C748 mm Hg (lit.)

Flash point: 97 degrees F

Refractive index: n20/D 1.541 (lit.)

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