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Wholesale Safer Phthalate-free Plasticizer Dioctyl terephthalate DOTP for Soften PVC

Dioctyl Terephthalate DOTP

Wholesale Safer Phthalate-free Plasticizer Dioctyl terephthalate DOTP for Soften PVC

Plasticizer DOTP (Dioctyl terephthalate) is a non-toxic, eco-friendly primary plasticizer with excellent performance in plastic processing. It appears as a colorless transparent oily liquid and is insoluble in water.

Compared with DOP, this product offers better heat resistance, cold resistance, low volatility, anti-extraction properties, and good electrical insulation performance.

  • Product Name :

    Plasticizer DOTP, Dioctyl terephthalate, Diethylhexyl terephthalate
  • Product Code :

    DOTP
  • Brand :

    iSuoChem
  • Applications :

    PVC products, Cables, Rubber products, and Other engineering plastics
  • Appearance :

    Colorless transparent oily liquid
  • CAS No. :

    6422-86-2
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iSuoChem® supplies this high-performance plasticizer DOTP to Plastics manufacturers worldwide.

DOTP (CAS 6422-86-2) has a linear molecular structure similar to DOS and DOA, giving it excellent low-temperature flexibility. It is widely used as a plasticizer for various PVC soft products, acrylonitrile derivatives, polyvinyl butyral, nitrile rubber, and nitrocellulose. Dioctyl terephthalate also works well in cable materials, especially those requiring temperature resistance up to 70°C. With good lubricity, it serves as a lubricant additive for precision instruments. Its low viscosity and good fluidity make it suitable for coatings and adhesives as well.

 
 
 

Technical Specifications

Inspection Item Plasticizer Dioctyl Terephthalate DOTP
Refractive index (ND25) 1.489-1.491
Acid value (MgKOH/g) 0.015-0.022
Color value (Pt-Co) 20-30
Density (20°C, g/cm³) 0.981-0.986
Viscosity (20°C, MPa·S) 65-75
Moisture content (%) ≤0.05
Flash point (open cup, °C) 205-210
Freezing point (°C) about -48
Heating loss (125°C, 3h, %) 0.10-0.25
Ester content (%) ≥99.0
Solubility Insoluble in water, soluble in alcohol, ether, acetone and benzene

 

Key Features & Performance

★ Excellent Heat Resistance & Low Volatility

Plasticizer DOTP offers excellent heat resistance and low volatility. It is especially suitable for cable materials that require good plasticizer effect and low volatility. This DOTP plasticizer is an ideal choice for producing temperature-resistant 70°C cable materials and other PVC products needing volatilization resistance.

★ Superior Cold Resistance & Low-Temperature Flexibility

Dioctyl terephthalate has a linear molecular structure similar to DOS and DOA. Its cold resistance is better than many conventional plasticizers. It gives products excellent low-temperature flexibility, making it suitable for applications in cold environments.

dioctyl terephthalate uses

★ Excellent Compatibility & Broad Application

Dioctyl terephthalate has excellent compatibility. Beyond PVC products, it works well as a plasticizer for acrylonitrile derivatives, polyvinyl butyral, nitrile rubber, and nitrocellulose. iSuoChem® DOTP delivers consistent performance across diverse polymer systems.

★ Good Lubricity & Low Viscosity

It offers good lubricity. It serves as a lubricant and lubricant additive for precision instruments. Its low viscosity and good fluidity also make it suitable for coatings, adhesives, and other products requiring easy processing.

 

Applications

DOTP for PVC Cable CompoundsPVC Cable Compounds

Plasticizer DOTP is ideal for PVC cable materials requiring heat resistance and high insulation. It works well for temperature-resistant 70°C cable applications.

PVC Soft Products

Dioctyl terephthalate is widely used as a plasticizer for various PVC soft products, providing excellent durability and resistance to soapy water.

DOTP for Nitrile RubberNitrile Rubber & Acrylonitrile

This Plasticizer works effectively as a plasticizer for nitrile rubber, acrylonitrile derivatives, and polyvinyl butyral with excellent compatibility.

Precision Instruments

It provides good lubricity. It can be used as a lubricant and lubricant additive for precision instruments requiring smooth operation.

Coatings & Adhesives

It has good fluidity and low viscosity. It is suitable for coatings, adhesives, and other products requiring easy processing and application.

Nitrocellulose Products

Dioctyl terephthalate DOTP works well as a plasticizer for nitrocellulose, providing good flexibility and compatibility in various formulations.

 

Safety & Quality Commitment

✅ Certified Quality Standards

iSuoChem® tests every batch of Plasticizer DOTP for refractive index, acid value, color, density, viscosity, moisture, flash point, and ester content. Each lot meets strict specifications for consistency and purity.

🛡️ Non-Toxic & Environmentally Friendly

Dioctyl terephthalate is a non-toxic and environmentally friendly primary plasticizer. It is suitable for applications where safety and environmental compliance are critical requirements.

🧪 Superior Performance vs DOP

Plasticizer DOTP offers better heat resistance, cold resistance, low volatility, anti-extraction properties, and electrical insulation compared to DOP. It shows excellent durability and low-temperature softness.

🌍 Complete Documentation

Full documentation including COA, TDS, and SDS is available. iSuoChem® provides technical support for customers seeking a reliable DOTP plasticizer supplier for cable, PVC, and rubber applications.

 

FAQ

Q1 What is Plasticizer DOTP?
Plasticizer DOTP (Dioctyl terephthalate, CAS 6422-86-2) is a non-toxic, eco-friendly primary plasticizer. It offers excellent heat resistance, cold resistance, low volatility, and good electrical insulation. It is widely used in PVC cables, soft products, nitrile rubber, and coatings.
Q2 What is the difference between DOTP and DOP plasticizers?
DOTP offers several advantages over DOP. It has better heat resistance, cold resistance, and lower volatility. DOTP also provides superior electrical insulation and anti-extraction properties. It is non-toxic and Eco-friendly, while DOP faces increasing regulatory restrictions in many applications.
However, when lower cost control is a priority, DOP remains the choice for many customers. They are, however, gradually transitioning to DOTP.
Q3 Is DOTP suitable for high-temperature cable applications?
Yes. Plasticizer DOTP is especially suitable for cable materials requiring good plasticizer effect and low volatility. It is ideal for producing temperature-resistant 70°C cable materials and other PVC products that need volatilization resistance and high insulation performance.
Q4 Does DOTP provide good cold resistance?
Yes. Dioctyl terephthalate has a linear molecular structure similar to DOS and DOA. Its cold resistance is excellent, giving products good low-temperature flexibility. This makes it suitable for applications in cold environments where other plasticizers may become brittle.
Q5 What polymers are compatible with Dioctyl terephthalate?
Plasticizer DOTP has excellent compatibility with PVC, acrylonitrile derivatives, polyvinyl butyral, nitrile rubber, and nitrocellulose. It is also suitable for use in coatings, adhesives, and as a lubricant additive for precision instruments.
Q6 What is the recommended storage for DOTP plasticizer?
Store DOTP in sealed containers in a cool, ventilated warehouse away from fire, heat, oxidants, and acids. Use aluminum, stainless steel, or oil-resistant coated iron drums. Operators should wear appropriate protective equipment during handling.
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Dioctyl phthalate (DOP) is the most widely used primary plasticizer in the plastics industry. It is well-known for its excellent comprehensive performance and compatibility with PVC and various synthetic resins. As a general-purpose Dioctyl phthalate plasticizer, it provides high plasticizing efficiency while maintaining low volatility and exceptional aging resistance for flexible end products.
Wholesale Safer Phthalate-free Plasticizer Dioctyl terephthalate DOTP for Soften PVC
Plasticizer DOTP (Dioctyl terephthalate) is a non-toxic, eco-friendly primary plasticizer with excellent performance in plastic processing. It appears as a colorless transparent oily liquid and is insoluble in water. Compared with DOP, this product offers better heat resistance, cold resistance, low volatility, anti-extraction properties, and good electrical insulation performance.

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