DOTP Price Chart & Market Analysis 2026

DOTP Price Information

Newest Price 1,470.32

Price Date 20260924

Day's Change +0.68

Day's Range 1,470.32 - 1,471

Month's Change -173.7

Month's Range 1,464.19 - 1,290.5

Year's Change +227.7

Year's Range 1,291.16 - 1,063.46

Opinions

Why is DOTP replacing DOP as the mainstream plasticizer in PVC products?

Buyers should not treat DOTP as a drop-in at identical loading. Because efficiency is roughly 10% lower than DOP, formulators often need slightly higher phr to hit the same hardness, which narrows the apparent cost gap. It also blends with DOP in any ratio, so a partial switch is a practical way to test performance before committing fully.

Is DOTP a genuinely eco-friendly plasticizer or just a marketing label?

A practical screen is to ask suppliers for feedstock origin and batch color data. Genuine virgin-route DOTP shows near-colorless liquid and stable APHA values. If a quote looks unusually cheap, suspect recycled feedstock, which can pass basic specs yet fail in long-life cable or food-contact applications.

What is driving DOTP supply and demand in China's plasticizer market?

Watch the feedstock split carefully. PTA-based DOTP and recycled-PET-based DOTP can differ in color and consistency even at the same spec. For high-grade cable compounds, insist on virgin isooctanol and PTA routes, and verify color and ester content batch by batch rather than trusting the label alone.

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Overview

Dioctyl terephthalate (DOTP, bis(2-ethylhexyl) terephthalate, CAS 6422-86-2) is a near-colourless oily liquid, insoluble in water, with a molecular weight of 390.56 and a boiling point around 400 °C. It is a non-ortho-phthalate plasticiser and the leading general-purpose plasticiser for PVC.

PVC processing: main plasticiser for flexible PVC, offering plasticising efficiency close to DOP with better heat resistance, low volatility, and low-temperature flexibility.
Wire and cable: used in heat-resistant, high-insulation cable compounds, where its volume resistivity is roughly 10–20 times that of DOP.
Other polymers: plasticises acrylonitrile derivatives, polyvinyl butyral, rubber, and nitrocellulose, and acts as a softener in rubber compounds.
Consumer and medical goods: chosen where ortho-phthalate restrictions apply, including toys, food-contact and medical applications.

China is the dominant DOTP producer, with output surpassing DOP to become the largest single plasticiser grade. Direct esterification of purified terephthalic acid with 2-ethylhexyl alcohol is the mainstream route; other routes include transesterification and acid-chloride alcoholysis. Domestic supply is largely consumed at home, with exports growing as overseas demand for non-ortho plasticisers rises.

Key domestic producers:
Jia'ao Environmental – listed producer of DOTP and other environmental plasticisers.
Zhengdan Co. – major DOTP and plasticiser manufacturer.
Jianye Co. – plasticiser and fine chemical producer.
Shandong Hongxin Chemical – DOTP and plasticiser producer.

Properties

Name

DOTP

(2R)-2-ethylhexyl (2S)-2-ethylhexyl benzene-1,4-dicarboxylate

1,4-Benzenedicarboxylic acid bis(2-ethylhexyl) ester

168 plasticizer

168-ca plasticizer

CAS Number

6422-86-2

EINECS No.

229-176-9

Risk Codes

24/25

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DOTP Price Information

Opinions

Why is DOTP replacing DOP as the mainstream plasticizer in PVC products?

Is DOTP a genuinely eco-friendly plasticizer or just a marketing label?

What is driving DOTP supply and demand in China's plasticizer market?

Latest News

DOTP Market Experiences Wide-Range Fluctuations (September 2026)

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