Tris-decylalumane

Tris-decylalumane is an organoaluminum compound with the molecular formula C30H63Al and CAS number 1726-66-5. This chemical consists of an aluminum atom bonded to three decyl groups, making it a trialkylaluminum derivative. With a molecular weight of 450.8 g/mol, it belongs to the family of organometallic compounds that are highly reactive and pyrophoric in nature, requiring special handling procedures due to their spontaneous ignition properties when exposed to air or moisture.

Tris-decylalumane is typically a colorless to pale yellow liquid at room temperature with low viscosity. The compound is highly sensitive to moisture and oxygen, reacting violently with water to produce aluminum hydroxide and decane. It is soluble in non-polar organic solvents such as hexane, toluene, and other hydrocarbons but must be kept strictly anhydrous. The substance exhibits pyrophoric behavior, meaning it can spontaneously ignite upon contact with air, making proper handling essential.

Tris-decylalumane is primarily used as a catalyst or co-catalyst in polymerization reactions, particularly in the production of polyolefins such as polyethylene and polypropylene. It serves as an alkylating agent in organic synthesis and as a reducing agent in various chemical processes. The compound is also employed in the preparation of other organometallic compounds and as a precursor for aluminum-containing materials. Its high reactivity makes it valuable in specialized chemical manufacturing applications requiring strong Lewis acid catalysts.

Tris-decylalumane must be handled under strictly inert atmosphere conditions using nitrogen or argon gas to prevent contact with air and moisture. Personnel should wear appropriate PPE including chemical-resistant gloves, safety goggles, and flame-resistant clothing. Work should be conducted in well-ventilated areas or under fume hoods with proper fire suppression systems nearby. All equipment must be thoroughly dried and purged with inert gas before use. Emergency procedures for pyrophoric materials should be readily available and understood by all handlers.

Tris-decylalumane must be stored in tightly sealed containers under inert atmosphere in a cool, dry place away from heat sources, ignition sources, and incompatible materials. Storage areas should be equipped with appropriate fire suppression systems and maintained below 25°C. The compound is incompatible with water, alcohols, acids, bases, and oxidizing agents. Containers should be made of suitable materials like stainless steel or specially treated glass, and storage facilities must comply with regulations for pyrophoric substances and flammable materials.

Tris-decylalumane contact requires immediate action due to its reactive nature. For skin contact, do not use water as it will cause violent reaction; instead, carefully remove contaminated clothing and brush off any solid material, then cover with mineral oil if available. For eye contact, flush immediately with copious amounts of vegetable oil, not water. If inhaled, move to fresh air immediately. In case of fire, use dry sand, dry chemical powder, or CO2 extinguisher - never use water. Seek immediate medical attention for any exposure.

Tris-decylalumane disposal must be conducted by licensed hazardous waste disposal companies following strict protocols for pyrophoric materials. The compound should be carefully quenched using appropriate methods such as controlled reaction with alcohols under inert atmosphere, followed by neutralization. Never dispose of this material in regular waste streams or pour down drains. All disposal activities must comply with local, national, and EU waste regulations including the Waste Framework Directive. Proper documentation and waste tracking certificates are required throughout the disposal process.

Tris-decylalumane is classified as ADR Class 4.2 (spontaneously combustible substances) Packing Group I, indicating high danger level during transport. It must be packaged in UN-approved containers suitable for pyrophoric liquids, with proper labeling and documentation. Transport vehicles must be equipped with appropriate fire suppression equipment and drivers must hold ADR certification for dangerous goods. Shipments require proper hazard placarding, emergency response information, and compliance with routing restrictions. Only authorized carriers experienced in handling pyrophoric materials should transport this substance.

Tris-decylalumane is subject to various European regulations including REACH registration requirements for substances manufactured or imported above certain tonnages. While not currently listed as an SVHC (Substance of Very High Concern), it falls under CLP regulation for classification and labeling of pyrophoric substances. The compound is also regulated under ADR for transport, industrial emissions directives, and workplace safety regulations. Users must comply with national chemical safety laws and may need permits for storage and handling of pyrophoric materials depending on quantities involved.

Tris-decylalumane is available through OYSI, a specialized European distributor of technical chemicals with expertise in organometallic compounds. OYSI provides this highly specialized material to qualified industrial customers across Europe, ensuring proper packaging, documentation, and transport compliance for pyrophoric substances. Due to the hazardous nature of tris-decylalumane, purchases typically require verification of proper handling facilities and trained personnel. Contact OYSI directly to discuss specific requirements, technical specifications, and regulatory compliance for your application needs.