Overview
Chloro-Chloroethylene (CCE), also known as 1,1-Dichloroethylene or Vinylidene chloride, is an organic compound primarily used as a monomer in the production of polyvinylidene chloride (PVDC) and other polymers. It is a colorless, volatile liquid or gas with a slightly sweet odor. CCE is highly reactive and is commonly employed in industrial settings for manufacturing plastics, adhesives, and coatings. The compound is synthesized through the dehydrochlorination of 1,1,2-trichloroethane or by the chlorination of vinyl chloride. Due to its flammability and toxicity, CCE requires careful handling and storage. It is a key raw material in the chemical industry, particularly for applications requiring high-barrier packaging materials.
Physical and Chemical Properties
CCE exhibits distinct physical and chemical properties that make it suitable for industrial applications. It has a molecular weight of 96.94 g/mol and a density of 1.213 g/cm³ in its liquid form. The compound boils at 31.6 °C and melts at -122.6 °C, indicating its high volatility. CCE is slightly soluble in water but readily mixes with organic solvents like ethanol and ether. Chemically, CCE is highly reactive, especially with oxidizing agents, and can polymerize under certain conditions. Its double bond structure makes it a valuable monomer for polymerization reactions. However, its flammability and potential toxicity necessitate strict safety protocols during handling and storage.
Main Applications
The primary application of CCE is in the production of polyvinylidene chloride (PVDC), a polymer known for its excellent barrier properties against moisture and gases. PVDC is widely used in food packaging, pharmaceuticals, and industrial coatings. CCE is also a key ingredient in the manufacture of adhesives, synthetic rubbers, and specialty coatings. In addition to its role in polymer production, CCE is utilized as an intermediate in the synthesis of other chemicals, such as chlorofluorocarbons and refrigerants. Its versatility and reactivity make it a valuable component in various industrial processes, though its use is often regulated due to environmental and health concerns.
Safety and Storage
CCE poses significant health and safety risks, including toxicity upon inhalation or ingestion and potential skin irritation. Proper personal protective equipment (PPE), such as gloves, goggles, and respirators, is essential when handling this compound. Adequate ventilation and explosion-proof equipment are also critical to prevent accidents. Storage of CCE requires a cool, dry, and well-ventilated area, away from heat sources and oxidizing materials. Containers should be tightly sealed and labeled according to safety regulations. Spills should be managed immediately using appropriate absorbents and neutralizers, with contaminated areas evacuated until deemed safe.
B2B Procurement Guide
When procuring CCE for industrial use, buyers should prioritize suppliers with certified quality control measures and compliance with international safety standards. Key considerations include verifying the compound's purity, typically 99% or higher, and ensuring proper documentation, such as Material Safety Data Sheets (MSDS). Price negotiations should account for bulk purchase discounts, but buyers must also evaluate logistical factors like transportation and storage requirements. Establishing long-term partnerships with reputable suppliers can ensure consistent quality and reliable delivery schedules. Additionally, staying informed about regulatory changes affecting CCE use is crucial for compliance and risk management.
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