cyanuric chloride is accelerated by shaking if no turbidity is visible once the cyanuric chloride has completely dissolved the hydrolyzate content is lt 0 1 and the determination may be terminated in the event of turbidity or formation of a precipitate the solution is filtered through a desiccated and tared glass filter crucible and then washed with 20 ml of toluene the filter crucible should be dried to constant weight in a drying cabinet at approx 120 u00b0 c the final weight corresponds to the sum of hydrolyzate and flow auxiliary the proportion of flow auxiliary may be determined by leaching the precipitate with hot water and drying the residue a flowable cyanuric chloride was produced by mixing finely divided cyanuric chloride batch 391 with 0 3 wt of the stated silica s for 15 minutes in a container on a roller unit with the container rolling slowly table 1 shows the results for bulk density bd reactivity r and flowability f f values of less than 3 are achieved with a somewhat higher content of flow auxiliary or a blend of sipernat 50 s or fk 500 ls with for example fk 320 ds cyanuric chloride cc batch 391 and a still more finely divided batch batch 399 were rendered flowable by using 0 25 wt.