Triethylborane

Triethylborane is an organoborane compound with the molecular formula C6H15B and CAS number 97-94-9. This chemical consists of a boron atom bonded to three ethyl groups, giving it a molecular weight of 98 g/mol. It appears as a colorless liquid that is highly pyrophoric, meaning it spontaneously ignites in air at room temperature. Triethylborane is classified as a highly hazardous substance due to its extreme flammability and corrosive properties.

Triethylborane is a colorless, volatile liquid with a molecular weight of 98 g/mol. The compound is extremely air-sensitive and pyrophoric, igniting spontaneously upon contact with oxygen. It has a characteristic pungent odor and is soluble in organic solvents but reacts violently with water and alcohols. The substance has a low boiling point and high vapor pressure, making it highly volatile under normal conditions.

Triethylborane is primarily used as a radical initiator in polymerization reactions, particularly in the production of specialized polymers and plastics. It serves as a catalyst in organic synthesis, especially in hydroboration reactions and as a reducing agent. The compound is also utilized in semiconductor manufacturing processes and as a dopant source for boron in electronic materials. Additionally, it finds applications in research laboratories for specialized chemical transformations.

Triethylborane must be handled under inert atmosphere conditions using proper personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. All work should be conducted in a well-ventilated area or fume hood away from ignition sources. Use only non-sparking tools and ensure fire extinguishing equipment is readily available. Personnel must be trained in pyrophoric liquid handling procedures and emergency response protocols before working with this substance.

Triethylborane must be stored under inert gas atmosphere in tightly sealed containers away from air, moisture, and heat sources. Storage areas should be cool, dry, and well-ventilated with appropriate fire suppression systems. The substance is incompatible with water, alcohols, oxidizing agents, and acids. Containers should be made of suitable materials and properly labeled according to GHS requirements with appropriate hazard pictogrammes GHS02 and GHS05.

Triethylborane contact requires immediate emergency response due to its corrosive nature. In case of skin contact, immediately remove contaminated clothing and flush affected area with copious amounts of water for at least 15 minutes. For eye contact, rinse immediately with water and seek medical attention. If inhaled, move person to fresh air and provide oxygen if breathing is difficult. Do not use water on spilled material due to violent reaction risk.

Triethylborane disposal must be conducted by licensed hazardous waste disposal companies following strict regulatory guidelines. The substance cannot be disposed of through normal waste streams due to its pyrophoric and corrosive properties. Small quantities should be carefully quenched under controlled conditions by trained professionals. All disposal activities must comply with local environmental regulations and proper documentation must be maintained throughout the disposal process.

Triethylborane is classified under ADR Class 4.2 (Spontaneously Combustible Substances) Packing Group I, indicating maximum danger level. Transportation requires specialized packaging, proper labeling with danger placards, and compliance with dangerous goods regulations. Only authorized carriers trained in hazardous materials transport can handle shipments. Vehicles must be equipped with appropriate safety equipment and emergency response materials during transport.

Triethylborane is subject to comprehensive chemical safety regulations including REACH registration, CLP classification requirements, and dangerous goods transport regulations. The substance is classified as Pyr. Liq. 1 and Skin Corr. 1B under CLP regulation. It requires safety data sheets, proper labeling with danger signal word, and compliance with occupational exposure limits. The compound is not currently listed as a Substance of Very High Concern (SVHC) under REACH.

Triethylborane is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI can provide this highly specialized organoborane compound to qualified industrial and research customers. Due to the substance's hazardous nature, purchases typically require proper safety documentation, trained personnel, and appropriate storage facilities. Contact OYSI directly for availability, technical specifications, and regulatory compliance support for your specific application requirements.