In the realm of industrial chemical synthesis, the efficiency and versatility of intermediate compounds are paramount. 4-Chloro-1-Butene (CAS 927-73-1) is a prime example of such a compound, prized for its unique structural features that lend themselves to a wide array of applications. This article explores the key properties of 4-Chloro-1-Butene and its significance in various industrial chemical processes.

Physical and Chemical Properties of 4-Chloro-1-Butene

Understanding the fundamental properties of 4-Chloro-1-Butene is essential for its effective use:

  • Chemical Name: 4-Chloro-1-Butene
  • CAS Number: 927-73-1
  • Molecular Formula: C4H7Cl
  • Molecular Weight: 90.55 g/mol
  • Appearance: Typically described as a colorless to light yellow transparent liquid.
  • Boiling Point: Approximately 73°C at 760 mmHg, indicating moderate volatility.
  • Density: Around 0.896 g/cm³, making it less dense than water.
  • Refractive Index: Approximately 1.412, a standard property for liquid organic compounds.
  • Flash Point: Reported as -12°C, classifying it as a flammable liquid.
  • Purity: Commonly available at ≥97.0% purity, with higher grades possible for specialized applications.

These properties highlight 4-Chloro-1-Butene as a reactive liquid that requires careful handling, especially concerning its flammability.

Industrial Synthesis Applications

The industrial utility of 4-Chloro-1-Butene is rooted in its dual functionality:

  • Pharmaceutical Intermediates: It is a critical building block for synthesizing a variety of pharmaceutical compounds. Its ability to undergo facile nucleophilic substitution at the chlorine atom and addition reactions at the double bond makes it invaluable for constructing complex drug molecules. R&D scientists and formulation chemists often rely on this intermediate for creating novel APIs.
  • Agrochemicals: It serves as a precursor in the development of certain pesticides and herbicides, contributing to the agrochemical industry's innovation.
  • Polymer Synthesis: The terminal alkene can participate in polymerization reactions, allowing for the creation of specialized polymers with unique properties.
  • General Organic Synthesis: As a bifunctional molecule, it is a versatile reagent in broader organic synthesis, enabling the introduction of specific four-carbon units with reactive sites for further modifications.

For industrial procurement, sourcing from reliable manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. ensures access to consistent quality and dependable supply. Whether you are a procurement manager seeking bulk quantities or an R&D scientist needing specific grades, understanding these properties is key to making an informed purchase decision for 4-Chloro-1-Butene.