1-Benzocyclobutenecarbonitrile
1-Benzocyclobutenecarbonitrile (CAS: 6809-91-2), with the molecular formula C9H7N and a molecular weight of 129.16 g/mol, is a nitrile compound that serves as a valuable building block in organic synthesis. This chemical offers a unique benzocyclobutene structure functionalised with a nitrile group, enabling its use in the development of complex molecules for various research and development applications.

Organic Synthesis Intermediate
1-Benzocyclobutenecarbonitrile functions as a versatile intermediate in the synthesis of novel organic compounds. Its reactivity allows for transformations into various functional groups, making it a useful starting material in multi-step synthetic pathways.
Research and Development
This compound is employed in academic and industrial research laboratories for the exploration of new chemical entities and reaction methodologies. It is particularly useful in the construction of polycyclic aromatic systems.
Materials Science
The benzocyclobutene moiety can be incorporated into polymers and other advanced materials to impart specific properties. Research may explore its potential in the development of functional materials with tailored electronic or optical characteristics.
| Molecular weight | 129.16 |
|---|---|
| Empirical formula | C9H7N |
| Assay | ≥95% |
| Boiling point | 88 °C/1.3 mmHg(lit.) |
| Density | 1.055 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5479(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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 1-Benzocyclobutenecarbonitrile used for?
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1-Benzocyclobutenecarbonitrile is primarily used as a building block and intermediate in organic synthesis, research, and development, with potential applications in materials science.
What is the CAS number and molecular formula for 1-Benzocyclobutenecarbonitrile?
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The CAS number is 6809-91-2 and the molecular formula is C9H7N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Benzocyclobutenecarbonitrile with an assay of excludes: USP, EP, BP, or any pharmacopoeia grade. TSS does not represent this product as suitable for human or veterinary use.
How should 1-Benzocyclobutenecarbonitrile be handled safely?
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1-Benzocyclobutenecarbonitrile is a Warning substance that is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation. It may also cause respiratory irritation. Handle with appropriate personal protective equipment including eyeshields, faceshields, gloves, and a suitable respirator, ensuring good ventilation. Refer to the Safety Data Sheet for comprehensive handling guidelines.
How is 1-Benzocyclobutenecarbonitrile packed and shipped?
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1-Benzocyclobutenecarbonitrile is carefully packed for shipping in accordance with international regulations for chemical transport. TSS is a global supplier and exporter, experienced in handling and dispatching chemical products worldwide.
How can I request a sample or quote for 1-Benzocyclobutenecarbonitrile?
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To request a sample or a quotation for 1-Benzocyclobutenecarbonitrile, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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