Hydrogen Bromide → Benzenediazonium bromide

Participants

Reaction Steps

Into a 4-liter three-neck flask, provided with a thermometer, a mechanical agitator, and a dropping funnel, one introduces 93 g of aniline (i.e. 1 mole), 500 ml of water and 425 g of 48% hydrobromic acid (i.e. 2.5 moles). To this mixture, maintained between 0°C and 4°C, one adds a solution of 70 g of sodium nitrite in 100 ml of water.

Provenance & Evidence