164410

Benzocyclobutene

97%

• Synonym(s): Bicyclo[4.2.0]octa-1,3,5-triene
• Empirical Formula (Hill Notation): C₈H₈
• CAS Number: 694-87-1
• Molecular Weight: 104.15
• MDL number: MFCD01321219
• UNSPSC Code: 12352100
• PubChem Substance ID: 24850072
• NACRES: NA.22

Properties

• Assay: 97%
• form: liquid
• refractive index: n20/D 1.541 (lit.)
• bp: 150 °C/748 mmHg (lit.)
• density: 0.957 g/mL at 25 °C (lit.)
• SMILES string: C1Cc2ccccc12
• InChI: 1S/C8H8/c1-2-4-8-6-5-7(8)3-1/h1-4H,5-6H2
• InChI key: UMIVXZPTRXBADB-UHFFFAOYSA-N

Description

Application

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.

Safety Information

• Pictograms: GHS02
• Signal Word: Warning
• Hazard Statements: H226
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P243
• Hazard Classifications: Flam. Liq. 3
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 96.8 °F - closed cup
• Flash Point(C): 36 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves