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    1.  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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