(3) H. Tolkmith, THIS JOURNAL, 76, 5274 (1953). probably triphosphoramides, arising from partial decomposition of the pyrophosphoramides. The by-product of the octyl analog had nitrogen and phosphorus contents corresponding to a triphosphoramide containing 1.75 octyl groups. Tests of the systemic toxicity of the substituted pyrophosphoramides described herein have been reported elsewhere.* The octyl and dodecyl homologs are less effective ...