【Product name】Hexamethylene Diisocyanate
【Molecular formula of structure】 OCN-CH2-CH2-CH2-CH2-CH2-CH2-NCO
【CAS】822-06-0
【 Relative Molecular weight Or atomic weight】168.19
【Density】1.05 g/cm3 (20℃)
【Boiling point (℃) 】255 (101KPa), 120~125 (1.33KP), 112 (0.67KP)
【Spontaneous combustion point (℃) 】454
【Freezing point (℃) 】-67
【Flash point (open ℃) 】135
【Refractive index (20℃) 】1.4530
【Hydrolyzable chlorine 】0.03% or less
【Viscosity (25℃) 】 about 3mPa.s
【Specific heat capacity (25℃) 】 1.75 J/(g.K)
HDI is Colorless or slightly yellow liquid, with special excitant odor. Slightly soluble in water, slow reaction in water, complete miscibility with organic solvents such as and esters, ketones, ethers, aromatics and fatty hydrocarbon.