For R&D scientists and product formulators in the chemical and pharmaceutical industries, a deep understanding of a compound's chemical profile is essential. Sodium Dichloroisocyanurate (SDIC), identified by CAS 2893-78-9, is a versatile chemical with a well-defined set of properties that lend themselves to various critical applications, particularly as a disinfectant and sanitizer. As a specialist manufacturer and supplier, we provide insights into the chemical characteristics that make SDIC a valuable compound.

Chemical Structure and Properties

SDIC is the sodium salt of dichloroisocyanuric acid, with the molecular formula C3Cl2N3NaO3. It typically presents as a white crystalline powder or granules, possessing a characteristic chlorine-like odor. Key physicochemical properties include:

  • Molecular Weight: Approximately 219.95 g/mol.
  • Solubility: Readily soluble in water, dissociating to release hypochlorous acid (HOCl) and cyanuric acid derivatives. Its solubility in water at 25°C is approximately 30g/100mL.
  • Available Chlorine Content: Typically ranges from 56% to over 60%, indicating its potent oxidizing and disinfecting capacity.
  • pH: Aqueous solutions are weakly acidic, with a 1% solution having a pH of around 5.5-7.0.
  • Stability: In solid form, it is relatively stable and less prone to degradation than liquid hypochlorite solutions. However, it is moisture-sensitive and should be stored in dry conditions.
  • Reactivity: It is a strong oxidizer and can react vigorously with combustible materials, organic matter, acids, and nitrogenous compounds.

Mechanism of Action: Release of Hypochlorous Acid

The primary mechanism by which SDIC exerts its biocidal activity is through the controlled release of hypochlorous acid (HOCl) when dissolved in water. This reaction is rapid and establishes a complex equilibrium involving chlorinated and non-chlorinated isocyanurates. Hypochlorous acid is a highly effective oxidizing agent that penetrates microbial cell walls and membranes, denaturing proteins and inactivating enzymes and nucleic acids, thus leading to cell death. This controlled release mechanism differentiates SDIC from other chlorine-based disinfectants, offering sustained efficacy.

Synthesis and Manufacturing Aspects

The production of SDIC typically involves the chlorination of cyanuric acid derivatives in an aqueous sodium hydroxide solution. Precise control of reaction parameters, such as pH and temperature, is crucial to ensure high purity and safety during manufacturing. As a dedicated sodium dichloroisocyanurate manufacturer, we employ advanced synthesis processes to deliver a product that meets stringent quality standards, ensuring both efficacy and safety for our clients.

Applications Driven by Chemical Profile

The unique chemical profile of SDIC makes it invaluable in several sectors:

  • Water Treatment: Its strong oxidizing and disinfecting properties are ideal for drinking water purification, swimming pool sanitation, and industrial water systems.
  • Disinfection and Sanitization: Used in healthcare, food processing, and household cleaning for its broad-spectrum antimicrobial activity.
  • Chemical Synthesis: Can act as a reagent for specific chlorination reactions in organic synthesis.

For R&D scientists and formulators seeking a reliable and versatile source of active chlorine, understanding the chemical nuances of SDIC is key. We invite you to buy SDIC from a trusted Chinese supplier. Explore our product specifications and discuss your formulation needs with our technical team to leverage the full potential of this powerful chemical.