Tribromoborane

Tribromoborane is a highly reactive boron halide compound with the chemical formula BBr3 and CAS number 10294-33-4. This inorganic compound has a molecular weight of 250.53 g/mol and is classified as a highly toxic and corrosive substance. It belongs to the family of boron trihalides and serves as an important reagent in organic synthesis and industrial applications requiring boron chemistry.

Tribromoborane is a colorless to pale yellow fuming liquid at room temperature with a pungent, irritating odor. It has a boiling point of approximately 91.3°C and reacts violently with water and moisture, producing hydrobromic acid and boric acid. The compound is soluble in organic solvents but must be handled under anhydrous conditions due to its extreme moisture sensitivity.

Tribromoborane is primarily used as a Lewis acid catalyst in organic synthesis, particularly for demethylation reactions and ether cleavage. It serves as a reagent in pharmaceutical manufacturing, fine chemical synthesis, and semiconductor industry applications. The compound is also utilized in the preparation of other boron compounds and as a brominating agent in specialized chemical processes.

Tribromoborane requires strict safety protocols due to its acute toxicity (Acute Tox. 2) and corrosive properties (Skin Corr. 1A). Essential protective equipment includes chemical-resistant gloves, safety goggles, face shields, and acid-resistant clothing. Work must be conducted in well-ventilated areas or fume hoods, avoiding contact with skin, eyes, and respiratory system. Emergency shower and eyewash stations should be readily accessible.

Tribromoborane must be stored in tightly sealed, moisture-proof containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep away from water, alcohols, amines, and other moisture-containing substances to prevent violent reactions. Storage areas should have appropriate spill containment measures and be equipped with emergency response materials including neutralizing agents.

Immediate action is critical due to tribromoborane's corrosive nature. For skin contact, remove contaminated clothing and flush with copious amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water and seek medical attention. If inhaled, move to fresh air and provide respiratory support if needed. Seek immediate medical attention for all exposure incidents.

Tribromoborane disposal must comply with local and national hazardous waste regulations as it is classified as corrosive and toxic waste. Small quantities should be carefully neutralized by qualified personnel using appropriate bases under controlled conditions. Large quantities require disposal through licensed hazardous waste treatment facilities. Never dispose of in regular waste streams or pour down drains due to environmental and safety risks.

Tribromoborane is classified under ADR Class 8 (Corrosive substances), Packing Group I, indicating maximum danger level for transport. It requires specialized packaging meeting UN specifications, proper labeling with GHS06 and GHS05 pictograms, and documentation including safety data sheets. Transport must comply with dangerous goods regulations and be handled by trained personnel with appropriate emergency response capabilities.

Tribromoborane is regulated under CLP Regulation with hazard classes Acute Tox. 2 and Skin Corr. 1A, requiring specific labeling and safety data sheets. It falls under REACH registration requirements for chemical substances in the EU. The compound is not currently listed as a SVHC (Substance of Very High Concern), but its use may be restricted in certain applications due to its toxicity profile.

Tribromoborane is available through OYSI, a specialized European distributor of technical chemicals and reagents. As a professional chemical supplier, OYSI provides high-quality tribromoborane with proper documentation, safety data sheets, and regulatory compliance for industrial and research applications. Contact OYSI directly for availability, technical specifications, and delivery options across European markets.