Triisobutylaluminum (TIBA) CAS 100-99-2

Triisobutylaluminum (TIBA) CAS 100-99-2 is a reactive organoaluminum reagent used in the production of polyolefins and in fine organic synthesis. It is unstable in air, hydrolyzes with the release of hydrogen and heat, causing ignition. It is stored strictly under nitrogen or argon.

1. Brief description
Triisobutylaluminum belongs to the family of high-purity alkylaluminum compounds that have found wide application in modern petrochemistry and organic synthesis.

2. Chemical and physical parameters
Formula: Al(C₄H₉)₃
Appearance: transparent, colorless or slightly yellowish liquid
Density: about 0.80 g/cm³
Decomposition temperature: above 125 °C
Solubility: in apolar solvents, unacceptable in water due to instantaneous decomposition

3. Main applications
Catalysts: promotes the synthesis of polyethylene and polypropylene according to Ziegler-Natta.
Alkylation: used in complex reactions of organic chemistry to introduce butyl groups.
Functional chemistry: improving the properties of some other reagents.

4. Safety
Fire: ignites on contact with atmospheric moisture, requires strict isolation from air.
Chemical burns: causes severe tissue damage upon contact with skin or mucous membranes.
Destruction: carried out only under conditions of controlled hydrolysis under the protection of inert gases, with careful neutralization procedures.

5. Storage conditions and handling
Stored in metal containers (usually steel cylinders) filled with inert gas. Before use, a leak test is required. Any operations must be carried out only with gloves, safety glasses and in the presence of fume hoods.

6. Conclusion
TIBA (CAS 100-99-2) remains a sought-after component in petrochemistry due to its ability to effectively initiate polymerization. Its high risks (pyrophoricity, corrosive activity) are offset by significant benefits in industrial processes, subject to strict safety regulations.