Dioctyl Terephthalate DOTP Plasticizer CAS 6422-86-2
DOTP, also known as Dioctyl Terephthalate or Bis(2-ethylhexyl) Terephthalate, is a high-performance primary plasticizer widely used in flexible PVC and other polymer applications.
With high purity, good PVC compatibility, low volatility, excellent electrical insulation performance and stable processing characteristics, DOTP is commonly used in cables, flooring, artificial leather, films, hoses, automotive interiors and other flexible plastic products.
We provide stable DOTP supply for manufacturers, distributors and industrial buyers, with flexible packaging options, batch quality inspection and export document support.
Dioctyl Terephthalate is a terephthalate-based plasticizer designed to improve the flexibility, processability, durability and service performance of PVC materials.
It has good compatibility with PVC resin and can help manufacturers achieve stable material softness, smooth processing and consistent finished-product performance.
Compared with conventional plasticizers, DOTP offers low volatility, good thermal stability, strong electrical insulation and relatively low migration. These characteristics make it particularly suitable for applications that require long-term flexibility, stable electrical performance and resistance to heat or aging.
DOTP can be used as the main plasticizer in many flexible PVC formulations. Depending on the production formula and performance requirements, it may also be blended with other plasticizers.
Our DOTP is supplied with a standard purity of at least 99.5%.
Stable raw-material control and batch inspection help maintain consistent color, acidity, moisture and density, reducing production fluctuations between different shipments.
DOTP has good compatibility with PVC resin and provides efficient plasticizing performance.
It can improve the flexibility and processing characteristics of PVC compounds while helping maintain a smooth and uniform surface on finished products.
Its low-volatility performance helps reduce plasticizer loss during processing and long-term use.
This characteristic is beneficial for products exposed to elevated temperatures or applications requiring stable performance over an extended service life.
DOTP provides strong electrical insulation properties and is widely used in PVC wire and cable compounds.
It is suitable for applications such as cable sheathing, insulating layers, electrical components and flexible PVC materials that require reliable electrical performance.
DOTP can help reduce plasticizer migration, surface oiliness and material blooming when used in an appropriate PVC formulation.
This contributes to cleaner product surfaces and improved long-term appearance.
DOTP performs well under a wide range of processing and service temperatures.
It helps finished PVC products maintain flexibility and mechanical stability while reducing the risk of premature hardening or cracking.
DOTP can be used in a variety of PVC processing systems, including:
Extrusion
Calendering
Coating
Plastisol processing
Injection molding
Compounding
The following values represent our standard product specification. Final values should be confirmed according to the Certificate of Analysis for each production batch.
Technical data may vary slightly according to the production batch, raw-material conditions and selected test method. The batch-specific Certificate of Analysis shall be considered the final quality reference.
DOTP is widely used in PVC insulation and sheathing materials for electrical wires and cables.
Its low volatility, thermal stability and electrical insulation performance make it suitable for:
Power cables
Communication cables
Building wires
Flexible electrical cords
Cable sheathing
Insulating PVC compounds
DOTP can be used in vinyl flooring and flexible flooring materials to provide softness, dimensional stability and long-term durability.
Typical applications include:
Vinyl floor tiles
PVC floor rolls
Commercial flooring
Residential flooring
Sports flooring
Anti-slip flooring
DOTP provides good flexibility and processing performance for PVC artificial leather.
It is commonly used in:
Furniture leather
Automotive upholstery
Bags and luggage
Shoe materials
Decorative leather
Industrial coated fabrics
DOTP can be used in flexible PVC film and sheet production to improve softness, elongation and processing stability.
Applications include:
Packaging film
Decorative film
Protective film
Flexible PVC sheets
Agricultural film
Industrial covering materials
Its good PVC compatibility and durability make DOTP suitable for flexible hoses and tubing.
Typical products include:
Garden hoses
Industrial hoses
Flexible PVC pipes
Air hoses
Protective tubing
General-purpose plastic tubes
DOTP is used in flexible PVC components that require low volatility and stable performance.
Typical applications include:
Interior trim
PVC mats
Dashboard materials
Sealing components
Coated fabrics
Flexible interior parts
DOTP can also be used in construction-related flexible PVC products, including:
Waterproof membranes
Roofing membranes
Sealing strips
Wall coverings
Flexible profiles
Construction films
Depending on the formulation and required performance, DOTP may also be used in:
Rubber softening systems
PVC toys
Coatings
Adhesive formulations
Sealants
Flexible polymer compounds
Users should conduct formulation and compatibility testing before commercial production.
DOTP is suitable for use as a primary plasticizer in flexible PVC formulations.
It provides stable plasticizing performance and can be introduced into existing production systems according to the customer’s formulation, processing temperature and finished-product requirements.
For customers changing from another plasticizer to DOTP, we recommend carrying out a small-batch production test before full-scale replacement.
The recommended dosage depends on:
PVC resin type
Required hardness
Filler content
Stabilizer system
Processing method
Product temperature requirements
Electrical or mechanical performance requirements
Our team can provide basic product data and sample support for customer formulation evaluation.
Actual finished-product performance depends on the complete formulation and manufacturing process.
We offer several packaging options to meet different purchasing quantities and transportation requirements.
Suitable for:
Trial orders
Small and medium production batches
Distributors
Customers requiring convenient warehouse handling
Suitable for:
Medium-volume industrial users
Regular production requirements
Customers seeking efficient loading and unloading
Reduced packaging handling
Suitable for:
Bulk orders
Large-volume PVC manufacturers
Containerized international transportation
Customers requiring a lower packaging cost per ton
Packaging specifications and net weight should be confirmed before order placement.
DOTP should be stored in a clean, dry, cool and well-ventilated place.
Recommended handling precautions include:
Keep the packaging tightly closed when not in use.
Avoid direct sunlight and prolonged exposure to high temperatures.
Prevent contamination by water, dust or other chemical materials.
Use suitable pumps, pipes and storage tanks.
Wear appropriate personal protective equipment during industrial handling.
Refer to the latest MSDS before storage, loading or production use.
The storage area and handling procedures should comply with applicable local regulations.
Each batch of DOTP is inspected according to the relevant product specification before shipment.
Our quality-control process may include testing of:
Appearance
Purity
Color
Acid value
Moisture
Density
Flash point
A batch-specific Certificate of Analysis can be provided with the shipment.
Customers with additional testing requirements should communicate the required standards before order confirmation.
The following documents can be supplied according to the order and destination-market requirements:
Certificate of Analysis
Technical Data Sheet
Material Safety Data Sheet
Product specification
Packing list
Commercial invoice
Certificate of origin, when applicable
Other export documentation, subject to confirmation
Regulatory or environmental test reports should be confirmed according to the specific market, application and customer requirement.
We support international customers with stable product supply and practical export services.
Our service includes:
Stable batch supply
Flexible order quantities
Multiple packaging options
Pre-shipment quality inspection
Export document preparation
Container loading coordination
Sample support
Technical data support
Responsive quotation service
Products can be shipped to major international ports according to the customer’s required Incoterm.
Available trade terms may include:
EXW
FOB
CFR
CIF
Final transportation cost depends on the destination port, packaging method, order quantity and current shipping conditions.
To provide an accurate quotation, please send us the following information:
Required quantity
Preferred packaging
Destination country
Nearest seaport
Intended application
Required delivery time
Required technical or compliance documents
Our team will recommend a suitable packaging and shipping solution based on your purchasing requirements.
Looking for a stable DOTP supplier for PVC production?
Send us your required quantity, packaging method and destination port. We will provide product specifications, available documents, delivery information and a detailed quotation.
Product: Dioctyl Terephthalate
Abbreviation: DOTP
CAS No.: 6422-86-2
Standard Purity: ≥99.5%
Available Packaging: Iron Drum, IBC Tank and Flexitank