



DOTP Plasticizer
DOTP Plasticizer, or dioctyl terephthalate, is a clear, colorless, and oily liquid commonly used to improve the flexibility of plastics. It has excellent long-term durability, low volatility, and good resistance to soap water. DOTP is insoluble in water but dissolves easily in organic solvents like ethanol and ether. It is widely used as a primary plasticizer for PVC products due to its stable performance and reliable electrical insulation properties.
- Molecular Formula: c₂₄H₃₈o₄
- CAS Number: 6422-86-2
- Grade: Industrial Grade
- HS Code: 29173200
- Structure:A terephthalate group (C8H6(CO2)2) bonded to two octyl (C8H17) groups.
What is DOTP Plasticizer?
DOTP CAS Number 6422-86-2
Dioctyl Terephthalate (DOTP) is a widely used eco-friendly industrial plasticizer, specifically designed to enhance the flexibility, durability, and thermal stability of polyvinyl chloride (PVC) products. It is a clear, colorless, and oily liquid with excellent chemical and physical properties, making it a preferred choice in various industries.
DOTP is characterized by its low volatility, high resistance to water, and minimal extraction under harsh conditions. It offers exceptional long-term durability, superior electrical insulation, and retains excellent flexibility even at low temperatures. These properties ensure reliable performance in demanding applications.
This plasticizer finds extensive application in the manufacturing of cables, flooring materials, automotive interiors, and other high-quality PVC products. Its ability to blend seamlessly with PVC and other resins without affecting mechanical properties has established DOTP as a top-tier additive in the plastics industry.
Technical Parameters for DOTP Plasticizer
| Serial | Item | Superior-Grade Product | First-rate Product | Test Result |
| 1 | Color, (Platinum=Cobalt) No. | ≤ 20 | ≤ 40 | 17 |
| 2 | Flash Point, °C | ≥ 210 | ≥ 210 | 213 |
| 3 | Purity, % | ≥ 99.5 | ≥ 99.0 | 99.75 |
| 4 | Water, % | ≤ 0.03 | ≤ 0.05 | 0.015 |
| 5 | Density (20°C), g/cm³ | 0.981-0.985 | 0.981-0.985 | 0.982 |
| 6 | Volume resistivity, 1×10⁹Ω•m | ≥ 3 | ≥ 2 | 11.3 |
| 7 | Acidity (As phthalic acid), % | ≤ 0.02 | ≤ 0.03 | 0.0069 |
| 8 | Alcohol, mg/kg | - | - | 40 |
DOTP vs DOP
| Property | DOTP | DOP |
|---|---|---|
| Chemical Composition & Environmental Impact | DOTP (Dioctyl Terephthalate) is a terephthalate-based plasticizer that is phthalate-free and environmentally friendly. It does not fall under the EU’s restricted list of phthalate plasticizers, making it a safer alternative. | DOP (Dioctyl Phthalate) is a phthalate-based plasticizer, which may pose environmental pollution risks and potential health hazards, including carcinogenicity as confirmed in animal studies. |
| Applications | Used for PVC plastics, cables (especially in high-temperature environments like 70°C cables), synthetic leather, acrylic derivatives, polyvinyl alcohol, nitrile rubber, nitrocellulose, and as a softener in paints, lubricants, and paper. | Widely used in PVC resins, synthetic fibers, acetate resins, ABS resins, rubber, and in paints, dyes, and dispersants. |
| Physical Properties | Transparent, oil-like liquid with a density of 0.981–0.986 g/cm³ and a refractive index of 1.1687. | Colorless, transparent liquid with a density of 0.982 g/cm³ and a refractive index of 1.485. |
DOTP SDS (Dioctyl Terephthalate MSDS)
To ensure your safety when using DOTP, please refer to the DOTP SDS.
This document provides essential safety guidelines, including handling potential hazards like skin and eye irritation, inhalation risks, and fire hazards. It also outlines proper incident response and storage procedures. For more detailed information on Dioctyl Terephthalate, please consult the Dioctyl Terephthalate MSDS, which covers its risks such as toxicity, environmental impact, and safe usage practices.
For access to these safety documents, please contact us.
DOTP (Dioctyl Terephthalate) Packing
- 200 kg Plastic Drums
- 1000kg IBC drums
- 23 MT Flexitank
Support customize the packaging materials
DOTP Standard Loading Details
Packaging: 200 kg Plastic Drums
- 16 tons per 20-foot container with or without pallets
Packaging: 1000 KG Super Sack
- 20 tons per 20-foot container
FAQ About Dioctyl Terephthalate DOTP
What is the current Dioctyl Terephthalate market trend?
The Dioctyl Terephthalate (DOTP) market has seen steady growth due to increasing demand in applications such as plasticizers for polyvinyl chloride (PVC) products. Factors such as environmental regulations, the shift towards safer and eco-friendly plasticizers, and the expanding automotive and construction industries are driving the demand for DOTP. The market is expected to continue expanding in regions like Asia-Pacific, North America, and Europe.
What are the main dioctyl terephthalate uses?
Dioctyl Terephthalate (DOTP) is primarily used as a non-phthalate plasticizer for PVC and other polymer applications. It is commonly used in manufacturing flexible PVC products, such as flooring, cables, wall coverings, and medical devices. DOTP is favored for its low volatility, high plasticizing efficiency, and low environmental impact compared to traditional plasticizers.
How can I find a reliable Dioctyl Terephthalate supplier?
When searching for a reliable Dioctyl Terephthalate supplier, it’s crucial to consider factors such as product quality, production capacity, customer service, and delivery terms. You should also verify the supplier’s certifications, including ISO or REACH compliance, to ensure they meet industry standards. Additionally, it’s advisable to request samples before placing bulk orders to assess the product quality.
Why is Yuanlong a trusted DOTP Plasticizer Manufacturer?
Yuanlong is a trusted DOTP plasticizer manufacturer with a strong reputation for providing high-quality DOTP plasticizers. We are committed to meeting the stringent safety, quality, and environmental standards required by our customers. Our products are ISO-certified, and we ensure full compliance with global regulations such as REACH. We also offer excellent customer service, fast delivery, and flexible order quantities. Whether you’re ordering in bulk or seeking a specific application, Yuanlong provides reliable DOTP solutions tailored to your needs.
Why is DOTP price higher than DOP price?
The DOTP price is generally higher than DOP price due to its non-toxic, phthalate-free nature and the more stringent environmental standards it complies with. While DOP is traditionally more affordable and widely used, DOTP offers a safer and more eco-friendly alternative, which justifies its slightly higher price.
What are the advantages of sourcing DOTP from China?
Sourcing DOTP from China offers several key advantages, including competitive pricing due to large-scale production and access to affordable raw materials. Chinese manufacturers also use advanced technology to produce high-quality, eco-friendly DOTP that complies with international standards. With strong export capabilities, suppliers in China can ensure timely delivery and offer flexibility in order quantities, making it a reliable option for businesses globally.
How do DOTP manufacturers ensure product quality?
DOTP manufacturers ensure product quality by following strict production processes, conducting regular quality control checks, and complying with industry standards. Many manufacturers provide COA and support third-party testing from international agencies such as SGS and BV to verify safety and compliance. ISO 9001 certification is a strong indicator of their commitment to quality. Additionally, reliable manufacturers often offer free samples for testing.
What is the current Dioctyl Terephthalate market trend?
The Dioctyl Terephthalate (DOTP) market has seen steady growth due to increasing demand in applications such as plasticizers for polyvinyl chloride (PVC) products. Factors such as environmental regulations, the shift towards safer and eco-friendly plasticizers, and the expanding automotive and construction industries are driving the demand for DOTP. The market is expected to continue expanding in regions like Asia-Pacific, North America, and Europe.
What are the key properties of DOTP?
- High purity (≥99.5%)
- Low water content (≤0.03%)
- Excellent thermal stability (Flash Point ≥210°C)
- Superior electrical insulation
- Low acidity and minimal volatility
How does DOTP compare to other plasticizers?
DOTP offers superior environmental and performance advantages over many traditional plasticizers like DOP. It has low volatility, excellent resistance to water and extraction, and is more environmentally friendly, making it a preferred choice in various industries.
Can DOTP be used as a direct replacement for DOP?
Yes, DOTP can be used as a drop-in replacement for DOP in most applications. It provides enhanced durability and performance while meeting stricter environmental regulations.
Is DOTP environmentally friendly?
Yes, DOTP is considered an environmentally friendly plasticizer due to its low toxicity, reduced environmental impact, and compliance with international standards for safety and sustainability.
