Phthalate is called n-octyl - DOP, molecular weight 390.56. Colorless transparent oily liquid, relative density (20 ° C / 4 ° C) 0.978. A freezing point of 25 ° C, the boiling point 284 ° C (0.53kPa), the flash point (say) 218 ° C, 1.482 refractive index, viscosity (30 ° C) 24.5mPa s, vapor pressure (200 ° C) 93.3Pa. Soluble mineral oil, glycerin-soluble, glycol. Hard to dissolve in water, 25 ° C water solubility <0.02% (wt). Combustible. Micro-poisoning LD50 31000mg/kg.
plasticized DOP with the same efficiency and cold resistance, weatherability and resistance in the volatile DOP were good, but higher prices, limiting the applications.
Store in a cool, ventilated coffers and away from the fire source.
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