Piperazine Anhydrous Item Unit value Method of Analysis Minimum Typical Maximum Appearance – White flakes DEL 119 Colour APHA <10 50 DEL 116 Water Weight % <0.30 0.5 DEL 115 PIP(GC) Weight % 99.7 DEL 108 3D diagram – Piperazine Anhydrous Enquiry Aniline Oil Carbonless Paper L-(+)-Tartaric acid Hydrazine Hydrate Malononitrile