Benzocyclobutene
Benzocyclobutene (CAS: 694-87-1, C8H8) is an organic compound with a molecular weight of 104.15 g/mol. This bicyclic alkene serves as a valuable building block in organic synthesis. Its unique structure finds application in advanced material science, particularly in the development of dielectric materials for microelectronics and as an adhesive bonding agent in wafer-level packaging.
- IUPAC
- Bicyclo[4.2.0]octa-1,3,5-triene
Adhesive Bonding Material
Benzocyclobutene has been utilised as the adhesive bonding material within advanced adhesive wafer-level bonding techniques, contributing to microelectronic assembly processes.
Dielectric Material
Photosensitive benzocyclobutene is extensively employed as a dielectric material in the fabrication of multilayer packaging for electronic devices, ensuring insulation and performance.
Interconnect Structures
The compound has been integral to the fabrication of high-density multilayer interconnect structures, often in conjunction with gold metallization and polymer interlayer dielectrics.
| Molecular weight | 104.15 |
|---|---|
| Empirical formula | C8H8 |
| Assay | 98% |
| Boiling point | 150 °C/748 mmHg(lit.) |
| Density | 0.957 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.541(lit.) |
| Application | Benzocyclobutene was used as the adhesive bonding material in adhesive wafer-level bonding technique1. Photosensitive benzocyclobutene has been widely used as dielectric material in multilayer packaging applications2. It was used in fabrication of high density multilayer interconnect structures using gold metallization and polymer interlayer dielectric3. |
Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 36 °C / 96.8 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Benzocyclobutene used for?
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Benzocyclobutene is used as an adhesive bonding material in wafer-level bonding and as a dielectric material in multilayer packaging applications, as well as in fabricating high-density interconnect structures.
What is the CAS number and formula for Benzocyclobutene?
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The CAS number for Benzocyclobutene is 694-87-1, and its chemical formula is C8H8.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzocyclobutene with an assay of 98%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Benzocyclobutene be handled safely?
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Benzocyclobutene is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, faceshields, and suitable respirator filters (e.g., type ABEK). Store away from ignition sources.
Is Benzocyclobutene a controlled substance?
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Based on the provided data, Benzocyclobutene is classified under UN 3295C 3 / PGIII, indicating its regulation as a hazardous flammable liquid, but it is not listed as a controlled substance in the provided safety information.
How is Benzocyclobutene packed and shipped?
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Benzocyclobutene is shipped as UN 3295C 3 / PGIII, indicating specialised packaging and transport regulations for flammable liquids.
How can I request a sample or quote for Benzocyclobutene?
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To request a sample or a quotation for Benzocyclobutene, please contact our sales department through the website or by phone, providing your specific requirements.
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