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Cyclopentanone (CAS 120-92-3): Chemical Properties, Physical Characteristics and Industrial Safety Guide (2027)

  1. What Is Cyclopentanone? Cyclopentanone is an organic compound belonging to the cyclic ketone family. Its molecular formula is C₅H₈O, and its molecular weight is approximately 84.12 g/mol. It consists of a five-membered carbon ring containing a carbonyl group (C=O). This molecular structure gives Cyclopentanone its characteristic chemical identity and distinguishes it from other ketones. Cyclopentanone is commonly identified by the following information: Property Information Chemical Name Cyclopentanone CAS Number 120-92-3 Molecular Formula C₅H₈O Molecular Weight 84.12 g/mol Chemical Family Cyclic Ketone Physical State Liquid Appearance Clear, colorless liquid EC Number 204-435-9 These identifiers are useful for distinguishing Cyclopentanone from other organic compounds in chemical documentation and scientific literature.  2. Molecular Structure and Chemical Characteristics The defining structural feature of Cyclopentanone is its five-membered carbon ring and ketone funct...
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Understand Cyclopentanone in One Article: 5 Key Industrial Applications and Technical Advantages (2026)

  Introduction: Why Is Cyclopentanone Important in Modern Industry? Cyclopentanone (CAS 120-92-3) is an important cyclic ketone used as a chemical intermediate in several industrial sectors, including pharmaceuticals, agrochemicals, fragrance manufacturing, and electronic materials. Its five-membered carbon ring and reactive carbonyl group make it a useful building block for synthesizing more complex organic compounds. As manufacturers seek reliable raw materials for specialty chemical production, Cyclopentanone continues to attract attention for its role in multi-step synthesis, specialty ingredient development, and selected industrial solvent applications. According to established chemical references and manufacturer information, Cyclopentanone is used in pharmaceutical and agrochemical synthesis, fragrance production, and certain electronic applications. Its suitability for a particular process depends on purity, impurity profile, reaction conditions, and downstream requiremen...

Why Do We Need 4-Ethenylphenol Acetate in Modern Industry?

  1. What Is 4-Ethenylphenol Ace t ate? 4-Ethenylphenol Acetate , also known as 4-Acetoxystyrene or 4-Vinylphenyl Acetate , is an aromatic organic compound used as a building block in polymer chemistry and functional material research. Its CAS Registry Number is 2628-16-2 . The molecule contains a vinyl group attached to an aromatic ring and an acetate-protected phenolic oxygen. This combination makes 4-Ethenylphenol Acetate relevant to researchers developing functional polymers, specialty resins, and materials requiring controlled chemical modification. Unlike compounds containing a free phenolic hydroxyl group, 4-Ethenylphenol Acetate has its phenolic oxygen protected by an acetate group. This structural feature can provide additional flexibility in synthetic route design. For chemical manufacturers, material developers, and R&D teams, understanding its molecular structure, polymerization behavior, and potential applications is essential when evaluating this monomer for a sp...