Hydrochloric Acid → HCID 136138300, compound

Participants

Reaction Conditions

Reaction Steps

An autoclave is charged with 128 g of phthalodinitrile, 40 g of AlCl3 and 650 g of 1,2-dichlorobenzene. After scavenging with nitrogen, the reaction mixture is heated for 26 hours to 170° C. After cooling and dearating, the suspension is stirred into 400 ml of water containing 100 g of trisodium phosphate. The batch is then evaporated to dryness in a rotary evaporator and the crude product is stirred in 750 ml of water. After addition of 60 g of 50% NaOH, heating to 75° C. and keeping this temperature for 2 hours, the crude product is isolated by filtration and the filter cake is stirred in 500 ml of water containing 80 g of 32% HCl (2 hours at 90°-95° C.). The product is filtered hot and washed, to give aluminium phthalocyanine which contains, per mole, about 1 mole of chlorine (monochloroaluminium phthalocyanine).

Provenance & Evidence