Tetrabutylammonium Iodide

C₁₆H₃₆IN = 369.4 (311-28-4)

General reagent grade of commerce containing not less than 98.0% of C₁₆H₃₆IN.

Complies with the following tests.

Sulfated ash Not more than 0.02%.

Assay Dissolve 1.2 g in 30 mL of water and add 50 mL of 0.1m silver nitrate VS and 5 mL of 2m nitric acid. Titrate the excess of silver nitrate with 0.1m ammonium thiocyanate VS using 2 mL of ammonium iron(iii) sulfate solution R2 as indicator. Each mL of 0.1m silver nitrate VS is equivalent to 36.94 mg of C₁₆H₃₆IN.