... PRODUCTT-65T-80T-100Purity(%)99.7min99.7min99.7min2,4-isomer(%)65±280±198min2,6-isomer(%)35±220 ... immiscibility. Toxic. Carcinogenic potential. Irritation.The relative density of(20/4 ° C: 1.2244;Freezing pointThe TDI-65, 3 ... -100, 19.5 ~ 21.5 ° C;Vapor pressure(20 ° C), 0.01mmHg;Flash point(Open cup), 132 ... / kg (kcal / kg) (80.5);Refractive index(20 ° C) 1.569Harmful limitsppm, 0.1;StorageWith argon or ...