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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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