Nitric Acid → 1-Nitroanthraquinone

Participants

Reaction Conditions

Reaction Steps

A mixture of 208 g of anthraquinone and 1,210 g of 99% strength nitric acid (molar ratio 1:19) is stirred for 14 minutes at 35°C and subsequently adjusted to an acid content of 78% with 319 ml of water. The product which precipitates is filtered off, washed until neutral and dried. The product is subjected to a fractional distillation at 5 mm Hg, and a head temperature of 262°C. 99.4% pure 1-nitroanthraquinone is obtained as the distillate, in 69% yield (176 g).

Provenance & Evidence