+86-574-58010393   |     david@dobonewenergy.com
Home » News » DOTP vs DOP vs DINP: The Complete Comparison for PVC Plasticizer Buyers

DOTP vs DOP vs DINP: The Complete Comparison for PVC Plasticizer Buyers

Views: 0     Author: Site Editor     Publish Time: 2026-08-12      Origin: Site

facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

DOTP vs DOP vs DINP: The Complete Comparison for PVC Plasticizer Buyers

When choosing a plasticizer for PVC production, the decision often comes down to three main choices: DOP, DOTP, and DINP. Each has distinct chemical properties, regulatory statuses, and cost structures. This guide will help procurement managers and technical engineers select the right grade for their specific application.

Quick Comparison Table

Property

DOP (Dioctyl Phthalate)

DOTP (Dioctyl Terephthalate)

DINP (Diisononyl Phthalate)

CAS Number

117-81-7

6422-86-2

28553-12-0

Phthalate Status

Ortho-Phthalate (Restricted)

Phthalate-Free (Safe)

Ortho-Phthalate (General Use)

Volatility

Medium

Low

Very Low

Applications

General Industrial PVC

Toys, Food Wrap, Medical

Wire & Cable, Flooring

1. Regulatory Compliance (REACH & RoHS)

Compliance is the primary driver for switching plasticizers in 2026. DOP is listed on REACH Annex XIV, meaning its use in the EU is strictly restricted. DOTP is not an ortho-phthalate and is considered an eco-friendly "green" plasticizer, REACH-compliant without authorization for most applications.

2. Performance from DOBO (Wanhua Partner)

DOBO New Energy specializes in high-purity plasticizers with factory-direct pricing. Our DINP offers superior permanence for outdoor cables, while our DOTP is the top choice for non-toxic consumer goods.

FAQ

Is DOTP a direct replacement for DOP?

Yes, in most formulations, DOTP can replace DOP with minimal adjustments. Contact our technical team for specific guidance.

What is the MOQ?

Our standard MOQ is 1,000kg (1 Metric Ton). Free 1-25kg samples are available for testing.