2752 CLIFF S. HAMILTON VOl. 45 and the mixture boiled under a reflux condenser for 4 to 5 hours. The solution deposited almost colorless crystals on cooling. Coned. hydrochloric acid was added to the cold mixture to hold any unchanged p-arsanilic acid in solution and the product was filtered off and washed carefully with water. It was purified by recrystallization from hot water. 2-p-Arsono-anilino-ethano1, CHzOHCHpNHCsHdsOsH2.-This compound ...
![[4-[2-(4-arsonoanilino)ethylamino]phenyl]arsonic acid Structure](https://image.chemsrc.com/caspic/491/3639-19-8.png)