Dioctyl phthalate Price — China Factory EXW 2026

Dioctyl phthalate price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 389.38 / MT · VAT excluded -301.8673 (-44.00%) as of 20210323

Newest Price 389.38

Price Date 20210323

Day's Change -301.87

Day's Range 389.38 - 87.51

Month's Change +308.26

Month's Range 389.38 - 697.64

Year's Change -407.08

Year's Range 389.38 - 796.46

Don't overlook processing behavior. DOP solvates PVC faster, which can shorten gelation times in some calendering and extrusion lines. When switching to DOTP, processors may need t...

Also known as 1,2-Benzenedicarbonic acid, dioctyl ester, 1,2-Benzenedicarbonicacid,dioctylester, 1,2-Benzenedicarboxylic acid, 1,2-dioctyl ester, 1,2-Benzenedicarboxylic acid, dioctyl ester

Opinions

How do DOP and DOTP compare in performance, cost and regulatory acceptance for PVC applications?

Don't overlook processing behavior. DOP solvates PVC faster, which can shorten gelation times in some calendering and extrusion lines. When switching to DOTP, processors may need to adjust temperature profiles or add a small amount of fast-fusing plasticizer. The 700 yuan/ton premium is often recovered through lower dosage rates in high-performance compounds.

Dioctyl phthalate price context

What drives Dioctyl phthalate prices

How do DOP and DOTP compare in performance, cost and regulatory acceptance for PVC applications?: Don't overlook processing behavior. DOP solvates PVC faster, which can shorten gelation times in some calendering and extrusion lines. When switching to DOTP, p...

How we assess Dioctyl phthalate price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Dioctyl phthalate (DOP, CAS 8031-29-6) is a colorless, oily liquid with a melting point of -25°C and a boiling point of 380°C. It is the most widely used general-purpose plasticizer, known for its high plasticizing efficiency and good overall performance.

Industrial: Main plasticizer for soft and semi-soft PVC products, including wire and cable insulation, artificial leather, films, flooring, shoe materials, and pipes.
Consumer goods: Used in everyday items and transparent soft products where DOP's balanced properties are required.
Performance: Offers good resistance to volatilization, migration, water extraction, and weathering, making it a primary plasticizer in most applications.

China's DOP production has been declining due to stricter environmental policies, with output falling in recent years. The production process involves esterification of phthalic anhydride with 2-ethylhexanol, and the industry faces challenges from environmental regulations and competition from non-phthalate alternatives like DOTP.

Key domestic producers:
North River – major producer of plasticizers including DOP and DOTP.

Properties

Name

Dioctyl phthalate

1,2-Benzenedicarbonic acid, dioctyl ester

1,2-Benzenedicarbonicacid,dioctylester

1,2-Benzenedicarboxylic acid, 1,2-dioctyl ester

1,2-Benzenedicarboxylic acid, dioctyl ester

CAS Number

8031-29-6

EINECS No.

204-214-7

Risk Codes

S23;S24/25

Safety Description

R60;R61

HS Code

2917320000

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