Triphenyl phosphate/TPP Description: Appearance White flake or powder solid Color(APHA) â?¤ 50 Acid value(mgKOH/g) â?¤ 0.10 Moisture% â?¤ 0.10 Crystallization pointâ?? 46-48 Free phenol% â?¤ 0.10 CAS NO.: 115-86-6 HS CODE: 291990 Country of origin: China Annual output: 8500 tons