Tetra Butyl Ammonium Iodide

Tetra Butyl Ammonium Iodide

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Tetra butyl ammonium iodide is a quaternary ammonium salt available as a white crystalline solid that is soluble in water, alcohol, and most organic solvents. It is commonly used as a phase transfer catalyst, and as a source of iodide ions in organic synthesis. It is considered to be a safe and effective reagent, and it is commonly used in research laboratories and in industry. It should be stored in a cool, dry place away from heat sources and incompatible materials.

Tetra butyl ammonium iodide Properties:

  • CAS No: 32503-27-8
  • PubChem CID: 94433
  • Appearance Form: solid 
  • Colour: white 
  • Molecular weight: 339.53 g/mol 
  • EC-No.: 251-068-5
  • Molecular Weight: 339.5
  • Product Type: Laboratory chemicals
  • Molecular Formula: C16H37NO4S
  • Preferred IUPAC Name: hydrogen sulfate;tetrabutylazanium
  • Solubility In Water: Soluble
  • Physical Description: White crystalline powder
  • Purity(Neutralization titration): min. 98.0 %
  • Melting Point: 173 degree centigrade



1. Tetrabutyl ammonium iodide is what, exactly?

Ans - A quaternary ammonium cation and an iodide anion make up the chemical molecule known as tetra butyl ammonium iodide (TBAI). It is a colourless solid that can be dissolved in polar solvents like water.

2. What applications does tetrabutylammonium iodide have?

Ans - TBAI is employed as an electrolyte in batteries and as a catalyst in a variety of chemical processes, including the manufacture of drugs and other organic molecules.

3. How dangerous is tetra butyl ammonium iodide?

Ans - The skin and eyes may become irritated by TBAI, which is a mildly poisonous substance. Additionally, it is caustic and can harm garments.

4. How should iodine tetrabutyl ammonium be stored?

Ans - Storage of TBAI should take place in a cool, dry area away from heat sources and sunshine. Additionally, children and dogs should not be allowed access to it.

5. What safety measures need to be followed when working with tetrabutyl ammonium iodide?

Ans - Protective gloves and eyewear should be worn when handling TBAI. If the substance gets on the skin, it needs to be removed right away with soap and water. The vapours shouldn't be inhaled.