The mixture was cooled to room temperature and the phosphorus oxychloride was distilled off under vacuum
Cationic corn starch at DS 0 04 was prepared, then cross-linked using various amounts of phosphorus oxychloride.
"In step (c), a 300-gallon reaction vessel was charged with 300 kg of phosphorus oxychloride (6), cooled, and blanketed with nitrogen."
A P-N-Br synergistic flame retardant pentaerythritol bisphosphorate tribromoaniline salt was synthesized using phosphorus oxychloride, pentaerythritol, aniline, and bromine as raw materials.
