Benzocyclobutene
Synonym(s):Bicyclo[4.2.0]octa-1,3,5-triene
- CAS NO.:694-87-1
- Empirical Formula: C8H8
- Molecular Weight: 104.15
- MDL number: MFCD01321219
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-12-26 11:30:52
What is Benzocyclobutene?
Chemical properties
Colorless liquid
The Uses of Benzocyclobutene
Benzocyclobutene (BCB) is composed of a benzene ring fused to a cyclobutane ring (chemical formula C8H8). It is frequently used to create photosensitive polymers. BCB-based polymer dielectrics may be spun on various substrates, with good step coverage properties that make them useful to planarize uneven topographies. Applications include wafer bonding, optical interconnects, semihermetic package sealing, passivation, and low-k dielectrics. BCB has been also reported as a material with good biocompatibility, being used in intracortical neural implants and other biomedical applications.
The Uses of Benzocyclobutene
Benzocyclobutene was used as the adhesive bonding material in adhesive wafer-level bonding technique. Photosensitive benzocyclobutene has been widely used as dielectric material in multilayer packaging applications. It was used in fabrication of high density multilayer interconnect structures using gold metallization and polymer interlayer dielectric.
What are the applications of Application
Benzocyclobutene is an adhesive bonding material
Definition
ChEBI: A carbobicyclic compound that is benzene fused to a cyclobutane ring.
Synthesis Reference(s)
Journal of the American Chemical Society, 97, p. 5600, 1975 DOI: 10.1021/ja00852a057
The Journal of Organic Chemistry, 38, p. 3412, 1973 DOI: 10.1021/jo00959a039
Tetrahedron Letters, 16, p. 1893, 1975
Properties of Benzocyclobutene
Boiling point: | 150 °C/748 mmHg (lit.) |
Density | 0.957 g/mL at 25 °C (lit.) |
refractive index | n |
Flash point: | 97 °F |
storage temp. | Sealed in dry,Room Temperature |
form | clear liquid |
color | Colorless to Almost colorless |
CAS DataBase Reference | 694-87-1(CAS DataBase Reference) |
NIST Chemistry Reference | Bicyclo[4.2.0]octa-1,3,5-triene(694-87-1) |
EPA Substance Registry System | Bicyclo[4.2.0]octa-1,3,5-triene (694-87-1) |
Safety information for Benzocyclobutene
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Health Hazard GHS08 |
GHS Hazard Statements |
H226:Flammable liquids H304:Aspiration hazard |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for Benzocyclobutene
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