Cyclopropanecarbonyl Chloride (CAS 4023-34-1) is a chemical compound that holds significant importance in various industrial synthesis processes, particularly in the agrochemical and pharmaceutical sectors. As a reactive intermediate, understanding its properties and adhering to safety protocols are paramount for its effective and secure utilization in manufacturing and research environments. This article provides a detailed look at Cyclopropanecarbonyl Chloride, focusing on aspects relevant to industrial users.

The compound's chemical name, Cyclopropanecarbonyl Chloride, clearly indicates its structure: a cyclopropane ring bonded to a carbonyl chloride functional group. This acyl chloride moiety makes it a highly reactive electrophile, readily participating in acylation reactions where it can donate the cyclopropylcarbonyl group to nucleophiles. This reactivity is precisely what makes it a valuable intermediate for creating more complex molecules.

Key physical and chemical properties of Cyclopropanecarbonyl Chloride include:

  • Appearance: Typically described as a light yellow liquid.
  • Molecular Formula: C₄H₅ClO.
  • Molecular Weight: Approximately 104.53 g/mol.
  • Boiling Point: Around 119°C at atmospheric pressure.
  • Density: Approximately 1.15 g/cm³.
  • Reactivity: Reacts vigorously with water, alcohols, and amines, releasing corrosive fumes (like HCl). It is also moisture-sensitive.

Due to its reactive nature, proper handling and storage are critical. Safety data sheets (SDS) for Cyclopropanecarbonyl Chloride typically highlight hazards such as flammability, corrosivity, and potential for respiratory irritation. Therefore, industrial use necessitates working in well-ventilated areas, ideally under fume hoods, and utilizing appropriate personal protective equipment (PPE), including chemical-resistant gloves, safety goggles, and protective clothing. Storage should be in tightly sealed containers, away from incompatible materials, heat sources, and moisture.

The primary industrial applications for Cyclopropanecarbonyl Chloride revolve around its role as an intermediate. In the agrochemical industry, it's used to synthesize active ingredients for pesticides, contributing to the development of crop protection agents. In the pharmaceutical sector, it serves as a building block for creating various APIs and drug intermediates, aiding in the discovery and production of new medicines. Its specific chemical structure lends itself to the creation of compounds with unique biological activities.

For businesses looking to procure Cyclopropanecarbonyl Chloride, understanding the 'price of Cyclopropanecarbonyl Chloride' and ensuring a stable supply chain are vital. Sourcing from reputable 'manufacturers' and 'suppliers' that can provide consistent purity (e.g., ≥98.0% assay) is crucial for predictable industrial processes. Companies often search for 'Cyclopropanecarbonyl Chloride supplier in China' or other global regions, comparing options for quality, reliability, and cost.

In summary, Cyclopropanecarbonyl Chloride is a powerful synthetic tool in the chemical industry. By understanding its inherent properties, prioritizing safe handling practices, and engaging with trustworthy 'manufacturers', businesses can effectively leverage this intermediate to drive innovation in their respective fields. Always consult the latest SDS and follow recommended safety guidelines when working with this compound.