... immiscibility. Toxic. Carcinogenic potential. Irritation.The relative density of(20/4 ° C: 1.2244;Freezing pointThe TDI-65, 3.5 ~ 5.5 ... ; the TDI-100, 19.5 ~ 21.5 ° C;Vapor pressure(20 ° C), 0.01mmHg;Flash point(Open cup), 132 ° C;Boiling ... KJ / kg (kcal / kg) (80.5);Refractive index(20 ° C) 1.569Harmful limitsppm, 0.1;StorageWith argon or nitrogen sealed cool and dry ...