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  • Dioctyl Terephthalate (DOTP)

Dioctyl Terephthalate (DOTP)

  • Description:
  • Appearance:

    Light Yellow Transparent Oily Liquid

    CAS: 6422-86-2

    EINECS Number: 229-176-9

    Formula: C24H38O4

    MW: 390.5561

    Density: 0.983g / Cm3

    Melting Point: 30-34 ℃

    Boiling Point: 400 ° C At 760 MmHg

    Flash Point: 208.4 ° C

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  • Physical Parameters
  • Production Process
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English Name: Dioctyl Terephthalate, Bis (2-Ethylhexyl)Terephthalate,DOTP

English Name: 1,4-Benzenedicarboxylic Acid Bis (2-Ethylhexyl) Ester; Bis (2-Ethylhexyl) Benzene-1,4-Dicarboxylate; (2R) -2-Ethylhexyl (2S) -2-Ethylhexyl Benzene-1,4 -Dicarboxylate; Bis [(2S) -2-Ethylhexyl] Benzene-1,4-Dicarboxylate; Bis [(2R) -2-Ethylhexyl] Benzene-1,4-Dicarboxylate

Physical And Chemical Properties Of Contrast DOTP And DOP

Project DOTP DOP

               DOTP                                                            DOP
Appearance Pale yellow transparent oily liquid               Colorless transparent oily liquid
Density (20o0C) g*cm3     0.984                                                0.982
Refractive index /n       1.1687                                               1.4850
Boiling point /0.8kPa, ℃ 400                                                  370
Freezing point / ℃ -48                                                        - 50
Viscosity /25℃,Pa 63×103 56.5×103 /0 ℃,                            Pa 410×103 207×103
Volume resistivity /20℃,Ω·cm 4.6×1011                                    1.9×1011
Flash point / ℃          210                                                  190
Acidity /mgKOH            0.09                                                 0.05

Product Characteristics And Uses

1.DOTP Electrical, Thermal Performance, PVC Plastic Electrical Cable Sheath With Alternative DOP, The Film Can Also Be Used For Leather Production. Furthermore, Having Excellent Compatibility, Acrylonitrile Derivatives Can Also Be Used, Polyvinyl Butyral, Nitrile Rubber, Cellulose Nitrate, Plasticized. And Acts To Improve The Product Hardness And Deformation Effects, Can Be Used As Softeners In Nitrile Rubber, Neoprene, EPDM Rubber And Other Products. Particularly Used In Cable Materials Having Good Plasticizing Effect And Low Volatility, Are Widely Used To Require Heat Resistance, High Insulation Various Articles, Is The Ideal Production Temperature 70 ℃ Cable Materials And Other Volatile Resistance Requirements Plasticized PVC Products Agent.

2.DOTP For Passenger Cars Within The PVC Products, Glass Windows Fogging Problem Can Be Resolved. DOTP Also For Fine Furniture And Interior Paints, Coatings And High-Precision Instrument Lubricant Or Lubricant Additive, Nitrocellulose Lacquer Additives, Paper Softeners, Amide Biaxially Oriented Polyester Film, Plastic Film Products, Plasma Storage Bags .

3. Since The Linear Molecular Structure DOTP And DOS, DOA Similar, It Is Also Good Cold.

4.DOTP Volume Resistivity Than The DOP 10-20 Times Higher, And Is Excellent In The Migration.

5. Because DOTP Phthalate-Free, Not The European Union And Other Countries Within The Scope Of 16 Kinds Of Phthalate Plasticizer Containing Restrictions On The Use, Therefore, Is An Excellent Environment-Friendly Plasticizer.

DOPT Raw Materials Terephthalic Status

Raw Material, Purified Terephthalic Acid DOTP (PTA) Is An Important Intermediate Rest, Mainly For PTB Resins, Fibers, Films, PTB Bottles And Production Of Insulating Paint, Dye Intermediates.

Raw Materials: Generally Based On Terephthalic Acid Or Dimethyl Terephthalate Process Route Of Synthesis Of Raw Materials.

According To Statistics, The World'S Total PTA Production Capacity Of 12 Million T / A, Production Capacity By The Year 2000 The Average Annual Growth Rate Of 12%, The Total Capacity Will Reach 21 Million T / A. Asian Production Capacity Of Rapid Growth, In 2005 Georgia Percentage Will Reach 70% Of The World Total. By The Year 2000 The World Will Be A Serious Surplus PTA, PTA Has Become So Cheap And Abundant Raw Materials. Because PTA Is Still Coming On Stream Of New Devices, The 2000 Surplus Of The Asia-Pacific Region Will Reach 5 Million T. 1995 PTA Domestic Production Was 760,000 T, Into 401,000 T. Since Production Falls, Yangzi Petrochemical Company Intends 450,000 T / A Expanded 600,000 T / A, Shanghai Petrochemical Co., Ltd. 25 Million T / A Expanded To 500,000 T / A, Tianjin Petrochemical Company Is Built 250,000 T / A Means Liaoyang Petrochemical Company Intends To 230 000 T / A Expansion To 350 000 T / A, Jinan Chemical Fiber Corporation Will Build A 350,000 T / A Unit, Urumqi Proposed 250 000 T / A Unit, Luoyang Petrochemical Plant Will Built 250 000 T / A Unit. Moreover, Zhenhai Refining & Chemical Co., Ltd. 500,000 T / A, Hainan 350,000 T / A, Shantou 250 000 T / A Unit Will Have To Start Building. By 2000, Domestic New Capacity Of 2.5 Million T / A, The Total Capacity Of Up To 4 Million T / A, The Total Demand For Social 4,000,000 T / A. PTA Raw Materials Readily Available Exploit The Advantages Of The Development Of New Production Will Be Timed Plasticizer.

Dioctyl Terephthalate(DOTP) Production situation:

The product yield: 80 tons / month

Shipping Port:  China Shanghai

Price offer is valid: 15 days

Jincang time: 15 days (commodity inspection)

Export rights: the right to import and export company

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