Tetrabutylammonium iodide CAS 311-28-4

Product Name: Tetrabutylammonium Iodide
English Alias: TBAI; Tetra-n-butylammonium iodide
CAS Number: 311-28-4
Molecular Formula: C₁₆H₃₆IN
Molecular Weight: 369.37 g/mol
Appearance: White to off-white crystalline powder
Package: 1 kg/bag, 5 kg/bag (double sealed aluminum bags with desiccant)

What is Tetrabutylammonium Iodide？

Tetrabutylammonium Iodide is a quaternary ammonium salt appearing as a white to off-white crystalline powder. It is soluble in water, methanol, acetone, and other polar solvents. The compound is widely used as a phase transfer catalyst and electrolyte in organic synthesis and electrochemical applications due to its good solubility and stability. It is hygroscopic and should be handled under dry conditions.

COA (Certificate of Analysis):

Inspection     Items	Specifications	Inspection Results
Appearance	White to light yellow crystal	Pass
(％) Assay	≥ 99.0	99.62
Loss on drying	<0.5%	0.21%

Application:

1. Phase Transfer Catalyst: Facilitates reactions between immiscible phases in organic synthesis

2. Electrochemical Research: Supporting electrolyte in electrochemical experiments

3. Ion Pair Reagent: Mobile phase additive in chromatography

4. Chemical Synthesis: Catalyst in polymerization and other organic reactions

5. Analytical Chemistry: Standard and reagent in various analytical methods

6. Pharmaceuticals: Intermediate in drug synthesis

Safety Profile:

Tetrabutylammonium Iodide may cause skin and eye irritation. Inhalation of dust may cause respiratory irritation. Use appropriate personal protective equipment including gloves, safety glasses, and dust mask when handling. Avoid breathing dust and ensure adequate ventilation. The substance may be harmful to aquatic life. For detailed safety information, always consult the full Safety Data Sheet (SDS).

Storage Requirements:

Store in a cool, dry, well-ventilated area under inert atmosphere. Keep containers tightly sealed and protected from moisture. Maintain storage temperature between 2-8°C. Relative humidity below 40% recommended. Handle under dry inert gas when opening containers.

Transport & Packaging:

Tetrabutylammonium Iodide is packaged in double-sealed aluminum bags with desiccant (1 kg or 5 kg net weight per bag), placed in sturdy outer containers. Transport as hygroscopic material. Ensure containers are properly sealed and protected from moisture during transportation. Store away from incompatible materials.