|Molar mass||104.15 g·mol−1|
|Boiling point||150 °C (302 °F; 423 K)|
Refractive index (nD)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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BCB is frequently used to create photosensitive polymers. BCB-based polymer dielectrics may be spun on or applied to various substrates for use in Micro Electro-Mechanical Systems (MEMS) and microelectronics processing. Applications include wafer bonding, optical interconnects, low-K dielectrics, or even intracortical neural implants.
The Benzocyclobutene moiety has also appeared in a number of drug molecules. As an example, the amphetamine derived compound appears in the following patent:
Benzocyclobutene is a strained system which, upon heating to approximately 180 °C, causes the cyclobutene to undergo a conrotatory ring-opening reaction, forming o-xylylene. Since this process destroys the aromaticity of the benzene ring, the reverse reaction is highly favoured.
- 164410 Benzocyclobutene 98%
- U.S. Patent 3,149,159
- Mehta, G.; Kotha, S. Recent chemistry of benzocyclobutenes. Tetrahedron Lett. 2001, 57.
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