For professionals in the chemical and manufacturing sectors, a deep understanding of the properties of key intermediates is fundamental to successful application and procurement. 3-Chloro-1,2-propanediol (CAS 96-24-2) is one such critical intermediate, widely used across various industries. This article provides a detailed overview of its essential physical and chemical properties.

Chemical Identity and Basic Properties

3-Chloro-1,2-propanediol, identified by CAS number 96-24-2, is a chlorinated diol with the molecular formula C3H7ClO2 and a molecular weight of 110.54. Its chemical structure features a propyl backbone with hydroxyl groups on the first and second carbons, and a chlorine atom on the third carbon.

Key Properties Relevant to Industrial Use:

  • Appearance: Typically described as a colorless liquid. This physical state facilitates ease of handling, measurement, and integration into liquid-phase reaction systems.
  • Assay/Purity: A crucial specification for this intermediate is its purity, which is commonly reported as ≥99.7%. This high assay is critical for its use in applications such as pharmaceutical intermediates, where purity directly impacts the efficacy and safety of the final product. Manufacturers and formulators can rely on this high purity for consistent and predictable results.
  • Acidity: Specifications often include a limit for acidity, typically ≤0.2%. Low acidity ensures stability and prevents unwanted side reactions or corrosion in processing equipment.
  • Molecular Weight: 110.54 g/mol. This value is fundamental for stoichiometric calculations in synthesis and for understanding its behavior in various chemical reactions.

Applications Driven by Properties

The properties of 3-Chloro-1,2-propanediol directly influence its broad range of applications:

  • Intermediate for Imaging Agents: Its chemical reactivity makes it an ideal starting material for complex organic syntheses, including contrast media used in medical imaging.
  • Solvent Properties: Its polar nature suggests potential utility as a solvent for specific compounds, such as cellulose acetate, as indicated in some technical literature.
  • Precursor for Plasticizers and Surfactants: The presence of hydroxyl groups and the chlorine atom allows for further functionalization, making it a precursor for synthesizing various plasticizers and surfactants.
  • Lithium Battery Additives: Its potential role in enhancing battery performance stems from its ability to potentially interact with electrolyte components or electrode surfaces.

Procurement Considerations

When sourcing 3-Chloro-1,2-propanediol, buyers should always request detailed technical specifications from their supplier to ensure the properties align with their application requirements. Understanding these properties, such as its colorless liquid appearance and high assay of ≥99.7%, is vital for making informed purchasing decisions. Manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. provide this detailed information, assisting customers in selecting the right grade for their needs. Investigating the price and availability from trusted chemical suppliers is also a key step for efficient procurement.

In summary, the physical and chemical characteristics of 3-Chloro-1,2-propanediol (CAS 96-24-2) are central to its extensive utility across industries. By focusing on its high purity, specific appearance, and reactivity, professionals can effectively leverage this intermediate for diverse and demanding applications.