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         Diethyl phthalate (DEP) 

        1, The chemical formula and molecular weight
        Chemical formula: C12H14O4
        Molecular Weight: 222.24
        CAS: 84-66-2
        2, properties and uses
        ① Colorless transparent oily liquid with a slightly aromatic fragrance. Viscosity of 13 cps (20 ℃), refractive index 1.499 ~ 1.502 (20 ℃).
        ② The product with vinyl resins, cellulose resins, etc. Most have good compatibility. Often as a cellulose resin plasticizer, has good low temperature flexibility and durability. And DMP and used products can improve water resistance and elasticity.
        ③ This product is also used as a spice diluents, lubricants, gas chromatography stationary phase and the like.
        3, quality indicators

        Item Index
        Grade product Qualified  
        Appearance Transparent, no visible quality oily liquid
        Color (platinum - cobalt), ≤ 20 30  
        Acid value (in terms terephthalate),% ≤ 0.1 0.2  
        Density(20℃),g/cm³ 1.118~1.122
        Content(GC),℅  ≥ 99.5 99.0  
        Water content,%  ≤ 0.15 0.15  

        4, packaging and storage safety
        ①200L plastic bucket, net weight 230 kg / barrel, or according to customer requirements.
        ② stored in a dry place indoors, the transport process should prevent crashing and rain.
        ③ high fever case, the fire or contact with oxidants, cause a fire danger.


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