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Atomfair Benzocyclobutene C8H8 CAS 694-87-1

Benzocyclobutene (CAS: 694-87-1) is a highly reactive organic compound with the molecular formula C8H8and IUPAC name bicyclo[4.2.0]octa-1,3,5-triene . This strained bicyclic hydrocarbon features a fused benzene and cyclobutene ring system, making it a valuable intermediate in synthetic organic chemistry and materials science. Its unique structure imparts significant ring strain, leading to interesting thermal and chemical reactivity, particularly in polymerization and Diels-Alder reactions. Benzocyclobutene is widely utilized in the development of advanced polymers, photoresists, and low-dielectric-constant materials for microelectronics. Available in high purity grades, this compound is essential for researchers working on thermally stable polymers, semiconductor coatings, and crosslinking agents. Store…

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Description

Benzocyclobutene (CAS: 694-87-1) is a highly reactive organic compound with the molecular formula C8H8 and IUPAC name bicyclo[4.2.0]octa-1,3,5-triene. This strained bicyclic hydrocarbon features a fused benzene and cyclobutene ring system, making it a valuable intermediate in synthetic organic chemistry and materials science. Its unique structure imparts significant ring strain, leading to interesting thermal and chemical reactivity, particularly in polymerization and Diels-Alder reactions. Benzocyclobutene is widely utilized in the development of advanced polymers, photoresists, and low-dielectric-constant materials for microelectronics. Available in high purity grades, this compound is essential for researchers working on thermally stable polymers, semiconductor coatings, and crosslinking agents. Store under inert conditions to maintain stability.

Properties

  • CAS Number: 694-87-1
  • Complexity: 74
  • IUPAC Name: bicyclo[4.2.0]octa-1,3,5-triene
  • InChI: InChI=1S/C8H8/c1-2-4-8-6-5-7(8)3-1/h1-4H,5-6H2
  • InChI Key: UMIVXZPTRXBADB-UHFFFAOYSA-N
  • Exact Mass: 104.062600255
  • Molecular Formula: C8H8
  • Molecular Weight: 104.15
  • SMILES: C1CC2=CC=CC=C21
  • Monoisotopic Mass: 104.062600255
  • Physical Description: Colorless liquid;
  • Synonyms: Benzocyclobutene, Bicyclo[4.2.0]octa-1,3,5-triene, Benzocyclobutane, Bicyclo(4.2.0)octa-1,3,5-triene, MF7U8F3YLB, 1,2-dihydrocyclobutabenzene, 1,2-Dihydrobenzocyclobutene, Benzocyclobutene, 1,2-dihydro-, DTXSID3073927, CHEBI:87328, BICYCLO(4.2.0)OCTA-2,4,6-TRIENE, DTXCID1046502, DTXCID70115736, Bicyclo(4.2.0)octa1,3,5,7tetraene, 4026-23-7, dtxsid60193245, inchi=1/c8h8/c1-2-4-8-6-5-7(8)3-1/h1-4h,5-6h, umivxzptrxbadb-uhfffaoysa-n, un3295, 694-87-1, MFCD01321219, cyclobutabenzene, C8H8, Benzocyclobutene, 98%, UNII-MF7U8F3YLB, SCHEMBL8700, SCHEMBL33555, SCHEMBL34906, SCHEMBL34907, SCHEMBL2144679, SCHEMBL3979789, SCHEMBL9630603, STL452965, AKOS004907664, CS-W016636, DS-4372, FB57841, SY052978, bicyclo[4.2.0]octa-1(6),2,4-triene, B3863, EN300-104400, F15000, Q420972

Application

Benzocyclobutene is primarily used as a precursor in the synthesis of high-performance polymers and resins with exceptional thermal and mechanical properties. Its strained ring system enables efficient crosslinking reactions, making it valuable in the production of low-k dielectric materials for semiconductor applications. Researchers also employ benzocyclobutene derivatives as photoactive compounds in advanced photoresist formulations for microfabrication.

Safety and Hazards

GHS Hazard Statements

  • H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
  • H332 (31%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H412 (31%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P261, P271, P273, P280, P303+P361+P353, P304+P340, P317, P370+P378, P403+P235, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (100%)
  • Acute Tox. 4 (31%)
  • Aquatic Chronic 3 (31%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

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Certain molecules may be protected by active patents or regulatory restrictions.

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  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

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  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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