1,1-dichloroethane

1,1-dichloroethane is an organochlorine compound with the chemical formula C2H4Cl2 and CAS number 75-34-3. It belongs to the dichloroethane family and has a molecular weight of 98.96 g/mol. This substance is classified as a flammable liquid with toxic properties, posing risks to human health and the environment. It appears as a colorless liquid with a characteristic chloroform-like odor and is used primarily as a chemical intermediate in various industrial processes.

1,1-dichloroethane is a colorless liquid at room temperature with a sweet, chloroform-like odor. It has a boiling point of approximately 57°C and a density higher than water. The substance is slightly soluble in water but readily miscible with most organic solvents including alcohols, ethers, and hydrocarbons. It exhibits moderate volatility and can form flammable vapor-air mixtures. The compound is relatively stable under normal conditions but can decompose when exposed to high temperatures or strong bases.

1,1-dichloroethane is primarily used as a chemical intermediate in the production of vinylidene chloride, which is used to manufacture polyvinylidene chloride plastics and films. It serves as a solvent for various industrial applications, including degreasing operations and extraction processes. The substance is also utilized in the synthesis of other chlorinated compounds and as a feedstock in chemical manufacturing. Additionally, it finds limited use in specialized cleaning formulations and as a process solvent in certain pharmaceutical applications.

1,1-dichloroethane must be handled with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems to prevent vapor inhalation. Avoid contact with skin and eyes, and prevent ingestion. Keep away from heat sources, sparks, and open flames due to its flammable nature. Use non-sparking tools and ensure proper grounding of equipment to prevent static electricity buildup during transfer operations.

1,1-dichloroethane should be stored in a cool, dry, well-ventilated area away from heat sources, ignition sources, and direct sunlight. Use appropriate containers made of compatible materials and ensure they are tightly sealed to prevent vapor release. Store separately from incompatible materials such as strong oxidizers, strong bases, and reactive metals. Maintain storage temperatures below 25°C and implement appropriate fire prevention measures. Regular inspection of containers for leaks or deterioration is essential for safe storage.

In case of skin contact with 1,1-dichloroethane, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15-20 minutes and seek medical attention. If inhaled, move the person to fresh air and keep them at rest. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician if symptoms persist or if significant exposure has occurred.

1,1-dichloroethane must be disposed of as hazardous waste in accordance with local, national, and EU regulations. The substance cannot be disposed of in regular waste streams or discharged into sewers or the environment. Contact licensed hazardous waste disposal companies for proper treatment, which typically involves high-temperature incineration or other approved destruction methods. Ensure proper documentation and tracking throughout the disposal process. Empty containers should also be treated as hazardous waste unless properly cleaned and decontaminated.

1,1-dichloroethane is classified under ADR as Class 3 (flammable liquid), Packing Group II, requiring specific transport regulations. It must be packaged in UN-approved containers and labeled with appropriate hazard markings and transport documentation. Vehicles must carry appropriate emergency equipment and drivers need ADR certification. The substance should be segregated from incompatible materials during transport and protected from heat sources. Proper shipping papers and emergency response information must accompany shipments at all times.

1,1-dichloroethane is subject to various European regulations including REACH registration requirements and CLP classification as a flammable liquid with acute toxicity and environmental hazards. It is not currently listed as a Substance of Very High Concern (SVHC). The substance must comply with occupational exposure limits and workplace safety regulations. Industrial users must implement appropriate risk management measures and may need to report usage under certain circumstances. Transport is regulated under ADR/RID for dangerous goods.

1,1-dichloroethane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. As a professional chemical supplier, OYSI provides quality-assured products with proper documentation including safety data sheets and certificates of analysis. The company serves various industries requiring this substance for manufacturing and processing applications. For specific availability, packaging options, and technical support, customers can contact OYSI directly through their European distribution network to discuss their 1,1-dichloroethane requirements.