Cyclopropylacetic acid
Cyclopropylacetic acid (CAS 5239-82-7), with the molecular formula C5H8O2, is a versatile organic compound. It features a cyclopropyl group attached to an acetic acid moiety, making it a valuable building block in organic synthesis. Its utility spans various chemical research and development applications, particularly in the creation of novel molecules and intermediates for pharmaceuticals and agrochemicals. This carboxylic acid is handled with care due to its specific hazard profile.

Organic Synthesis Intermediate
Cyclopropylacetic acid serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive carboxylic acid group and cyclopropyl ring allow for diverse chemical transformations.
Pharmaceutical Research
This compound is utilised in the development of new pharmaceutical agents. Its structure can be incorporated into drug candidates, contributing to the exploration of novel therapeutic properties.
Agrochemical Development
Cyclopropylacetic acid finds application in the creation of new agrochemical compounds, contributing to the synthesis of potential pesticides and herbicides.
Material Science
It can be employed in the synthesis of specialised polymers or materials where the cyclopropyl group imparts unique properties.
| Molecular weight | 100.12 |
|---|---|
| Empirical formula | C5H8O2 |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 93 °C / 199.4 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 Cyclopropylacetic acid used for?
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Cyclopropylacetic acid is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical and agrochemical research and development.
What is the CAS number and formula for Cyclopropylacetic acid?
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The CAS number for Cyclopropylacetic acid is 5239-82-7, and its molecular formula is C5H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cyclopropylacetic acid typically as a research or technical grade. Specific assay and purity details are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Cyclopropylacetic acid be handled safely?
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Cyclopropylacetic acid is classified as Danger. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment (PPE) such as gloves, eye protection, and ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is Cyclopropylacetic acid a controlled substance?
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The provided data does not indicate that Cyclopropylacetic acid is a controlled substance.
How is Cyclopropylacetic acid packed, shipped, and exported?
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Tech Serve Solutions offers various packing options suitable for safe handling and transport. We are experienced global exporters of fine chemicals, adhering to all relevant shipping regulations.
How can I request a sample or quote for Cyclopropylacetic acid?
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To request a sample or a quote, please visit the product page on our website and use the 'Request Sample' or 'Request Quote' functionality, or contact our sales team directly.
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