Pentachlorophenol → HCID 86733449, compound

Participants

Reaction Conditions

Reaction Steps

A 5-liter flask, standardly equipped, was charged with 535 grams of sucrose and 190 grams of propylene glycol. The mixture was stirred and heated for several hours at up to 142°C. at which time the last of the solid was in solution. Upon cooling the mixture to 28°C., the mixture was too viscous to stir. However, upon slight reheating the mixture stirred readily. At 137°C. 1330 grams of pentachlorophenol containing about 700 to 800 ppm of aluminum and iron compounds was added. During the addition of the pentachlorophenol the temperature dropped to 81°C. but the mixture still stirred readily. Propylene oxide was added at a temperature of up to 142°C. until the acid number was 1.5. The desired amount of propylene oxide had been added so 13 grams of triethylamine was introduced and then propylene oxide was added to the mixture until steady refluxing occurred. The mixture was heated to strip the volatiles at 82° - 96°C./1-2 mm. Hg. The oxypropylated product weighed 2924 grams. It was filtered through coarse paper and 5.2 grams of unidentified solid was removed. The oxypropylated product had the following properties.

Provenance & Evidence