Dichloro(ethyl)alumane

Dichloro(ethyl)alumane is an organoaluminum compound with the molecular formula C2H5AlCl2 and CAS number 563-43-9. This chemical features an aluminum atom bonded to an ethyl group and two chlorine atoms, with a molecular weight of 126.95 g/mol. As a member of the organoaluminum family, it exhibits high reactivity and is primarily used in specialized chemical synthesis applications requiring aluminum-carbon bonds.

Dichloro(ethyl)alumane is typically a colorless to pale yellow liquid at room temperature with a characteristic sharp, irritating odor. The compound is highly reactive with water and moisture, releasing hydrogen chloride gas upon contact. It has low thermal stability and decomposes at elevated temperatures. Like most organoaluminum compounds, it is soluble in non-polar organic solvents but reacts violently with protic solvents and water.

Dichloro(ethyl)alumane is primarily used as a reagent in organic synthesis and as a catalyst in polymerization reactions. It serves as an alkylating agent in the preparation of other organoaluminum compounds and is utilized in Friedel-Crafts reactions. The compound finds applications in the semiconductor industry for aluminum deposition processes and in specialty chemical manufacturing where controlled aluminum-carbon bond formation is required.

Dichloro(ethyl)alumane requires handling under strict inert atmosphere conditions using appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work must be conducted in well-ventilated areas or under fume hoods to prevent inhalation of vapors. Avoid contact with water, alcohols, and other protic substances. Use only dry, inert gas-purged equipment and maintain strict moisture exclusion throughout all handling procedures.

Dichloro(ethyl)alumane must be stored in tightly sealed containers under inert atmosphere (nitrogen or argon) in a cool, dry location away from moisture and heat sources. Storage areas should be well-ventilated and equipped with appropriate fire suppression systems. The compound is incompatible with water, alcohols, amines, and oxidizing agents. Containers should be made of suitable materials resistant to aluminum compounds and checked regularly for integrity.

Immediate action is required for any contact with dichloro(ethyl)alumane due to its corrosive nature. For skin contact, remove contaminated clothing and flush affected area with large amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. Do not use water directly on spills as this may cause violent reactions.

Dichloro(ethyl)alumane disposal must comply with local and European waste regulations as it is classified as hazardous waste. The compound should be carefully hydrolyzed under controlled conditions by qualified personnel to neutralize its reactivity before disposal. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never dispose of this material through regular waste streams or pour down drains due to its reactive nature.

Dichloro(ethyl)alumane is classified under ADR Class 4.2 (substances liable to spontaneous combustion) with Packing Group I, indicating high danger level. Transportation requires specialized packaging that excludes moisture and air, typically under inert gas atmosphere. Vehicles must carry appropriate hazard placards and emergency response information. Only trained personnel should handle transport operations, and shipments must comply with all relevant dangerous goods regulations for road transport in Europe.

Dichloro(ethyl)alumane is subject to REACH regulation requirements for registration, evaluation, and authorization within the European Union. While not currently listed as a Substance of Very High Concern (SVHC), it falls under CLP regulation for classification and labeling of hazardous substances. Users must comply with occupational safety regulations and may need to implement specific risk management measures depending on usage quantities and applications.

Dichloro(ethyl)alumane is available through OYSI, a specialized European distributor of technical chemicals with expertise in organoaluminum compounds. As a professional chemical supplier, OYSI provides this specialty reagent to qualified industrial customers and research institutions. Due to the compound's hazardous nature and regulatory requirements, purchases typically require technical documentation and compliance verification. Contact OYSI directly for availability, specifications, and regulatory support for your specific application needs.