1-Cyclopenteneacetonitrile
1-Cyclopenteneacetonitrile (CAS 22734-04-9) is an organic compound with the molecular formula C5H7CH2CN and a molecular weight of 107.15 g/mol. This building block, derived from cyclic hydrocarbons and featuring a nitrile functional group, serves as a valuable intermediate in organic synthesis. It is utilized in the creation of more complex molecules within research and development settings, particularly in the fields of chemical synthesis and materials science.

Organic Synthesis Intermediate
1-Cyclopenteneacetonitrile functions as a versatile building block for constructing more complex organic molecules. Its nitrile group and cyclopentene ring offer reactive sites for various synthetic transformations.
Chemical Research and Development
This compound is employed in laboratory settings for exploratory synthesis and the development of novel chemical entities. Its structure makes it suitable for incorporation into diverse molecular frameworks.
Nitrile Chemistry Applications
As a member of the nitrile family, 1-Cyclopenteneacetonitrile participates in reactions characteristic of this functional group, contributing to the synthesis of nitrogen-containing compounds.
| Molecular weight | 107.15 |
|---|---|
| Linear formula | C5H7CH2CN |
| Assay | 90% |
| Boiling point | 124 °C/100 mmHg(lit.) |
| Density | 0.951 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.467(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 69 °C / 156.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36 |
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-Cyclopenteneacetonitrile used for?
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1-Cyclopenteneacetonitrile is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and formula for 1-Cyclopenteneacetonitrile?
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The CAS number for 1-Cyclopenteneacetonitrile is 22734-04-9, and its linear formula is C5H7CH2CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Cyclopenteneacetonitrile with a minimum assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should 1-Cyclopenteneacetonitrile be handled safely?
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1-Cyclopenteneacetonitrile is harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used during handling. Refer to the Safety Data Sheet for full details.
Is 1-Cyclopenteneacetonitrile controlled or scheduled?
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The provided data does not indicate that 1-Cyclopenteneacetonitrile is a controlled or scheduled substance.
How is 1-Cyclopenteneacetonitrile packed, shipped, and exported?
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1-Cyclopenteneacetonitrile is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 1-Cyclopenteneacetonitrile?
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To request a sample or a quotation for 1-Cyclopenteneacetonitrile, please contact the Tech Serve Solutions sales team via our website or by telephone.
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