Plasticizer prices carry one verified public figure: the Chinese DOP price fell by RMB 1,700 to 1,750 per tonne between January and November 2025, a direction reported by ResourceWise in its "Global Plasticizers Market: 2025 Review and 2026 Outlook". No price reporting agency publishes a free per-kilogram level for DOP, DOTP, DINP, DINCH or TOTM, the five plasticizers that carry most of global demand, so a buyer researching any of them finds trade measures, capacity announcements and directional commentary rather than a single dollar figure. What exists instead, and how does a formulator compare five plasticizers with no shared price benchmark?

This guide answers with the 2025 to 2026 market direction for DOP, DOTP and DINP, the price status of DINCH, TOTM and the other non-ortho-phthalate alternatives, 4 documented price drivers, and the cost-in-use arithmetic that makes plasticizers comparable once dosage, not price per kilogram alone, enters the calculation. Plasticizers are the largest additive family by weight, accounting for 34 percent of global plastic additive consumption (Wikipedia, Plastic additive) and more than 8 of the 36.7 million tonnes of additives consumed worldwide in 2023 (Ceresana), yet not one of them has a government-assessed unit value the way titanium dioxide or antimony does. The guide closes with a quote-comparison checklist and the sources this page draws on.

What Do Plasticizers Cost?#

A plasticizer's price has no single published figure, because DOP, DOTP, DINP, DINCH and TOTM each sell under grade-specific commercial contracts that no government statistics agency assesses the way the US Geological Survey assesses titanium dioxide or antimony. Among the 43 families of plastic additives, plasticizers are the largest by weight and the least transparent by price: European Plasticisers puts global consumption at 8.4 million tonnes a year (Plasticisers Factsheet, May 2020), with more than 85 percent of the plasticizer volume used in Europe going into flexible PVC. Western Europe alone produces about 1 million tonnes of phthalates a year, of which more than 900,000 tonnes go into PVC, and the high-molecular-weight phthalates, DINP, DIDP, DPHP, DIUP and DTDP, now account for about 85 percent of Western European ortho-phthalate production against less than 11 percent for the low-molecular-weight group, DEHP, DBP, DIBP and BBP (European Plasticisers FAQ). That shift, from low- to high-molecular-weight phthalates, tracks the regulatory restrictions covered later in this guide, and it is the backdrop against which every plasticizer price moves.

Where Plasticizer Price Data Comes From#

Plasticizer price data comes from two kinds of source, and both stop short of a published level: supplier and analyst commentary, and government trade and regulatory filings. ResourceWise, a market-intelligence publisher, is the only free source in the plasticizers for plastics source library underlying this guide to state a plasticizer price movement with a number attached, the RMB 1,700 to 1,750 per tonne fall in Chinese DOP prices between January and November 2025. Everything else in this guide, the DOTP antidumping duties, the DINP tariff and the DINCH and TOTM price status, is a trade or regulatory fact rather than a price level: it tells a buyer which way cost moves, not what a tonne costs today. Paid price reporting agencies such as ICIS, Argus and ChemAnalyst assess DOP, DOTP and DINP weekly, but their assessments sit behind a subscription, and this reference never republishes a paywalled figure.

DOP (DEHP) Price: China Market Direction, 2025#

The Chinese DOP price fell by RMB 1,700 to 1,750 per tonne between January and November 2025, the only plasticizer price movement in this guide with a published number attached (ResourceWise, "Global Plasticizers Market: 2025 Review and 2026 Outlook"). "DOP" and "dioctyl phthalate" in trade usage mean DEHP (DOP), CAS 117-81-7, the low-molecular-weight ortho-phthalate that has served as the plasticizer industry's substitution-factor reference (DEHP = 1.00) since general-purpose PVC plasticizing began. The price fall accompanied a sharp swing in Chinese trade flows: DOP imports into China fell 42 percent year on year while exports rose 35 percent over January to September 2025 (ResourceWise), a pattern consistent with domestic oversupply pushing surplus volume outward rather than a demand collapse. The table below states this movement with its basis, since it is the only plasticizer price series in this guide that carries one.

No comparable series exists for DOP prices outside China in this guide's source library, so a buyer sourcing DOP in Europe or North America reads this table as a direction indicator for the world's largest DOP-producing market, not as a landed price anywhere else.

DOTP Price: US Antidumping Duties by Origin#

DOTP costs more or less depending on where it was made, because the United States applies antidumping duties to DOTP imported from Turkey, Malaysia, Taiwan and Poland (ResourceWise, 2025). This plasticizer, CAS 6422-86-2, is a terephthalate rather than an ortho-phthalate, which is why regulation and commentary alike describe DOTP / DEHT as "non-ortho-phthalate" even though it shares DEHP's general-purpose PVC performance. Two identical DOTP shipments can therefore carry different landed costs in the same US warehouse purely because of the exporting country, before either shipment's grade, packaging or volume is even compared. The European Union's food-contact regulation treats DOTP as FCM 798 under Regulation (EU) No 10/2011, with a specific migration limit of 60 mg/kg, one factor that keeps DOTP in medical, toy and childcare uses where DEHP, DBP, BBP and DIBP are restricted under REACH Annex XVII entry 51. This guide's source library holds no free price level for DOTP, in the United States or elsewhere, so the antidumping duty is the only documented cost signal this section can publish.

DINP Price: US Tariff and New Capacity at Deza#

A 15 percent US tariff applies to DINP imported from Evonik Oxeno, a tariff rather than an antidumping duty, and it lands on top of whatever base price the shipment carries (ResourceWise, 2025). DINP, CAS 28553-12-0 (also 68515-48-0), is the high-molecular-weight ortho-phthalate that has become the main DEHP replacement in flooring, cable and film, and it sits inside the group of high-molecular-weight phthalates that now account for about 85 percent of Western European ortho-phthalate production (European Plasticisers FAQ); its full identity and regulatory status are profiled on the DINP substance page. Supply moved in the opposite direction from that tariff during 2025: Deza added new DINP production capacity, an addition that, once it reaches full output, works against price the way a tariff works for it. ResourceWise summarizes the 2026 outlook for the whole plasticizer complex as "ample supply, flat demand", a description this guide applies to DINP specifically because a tariff-driven cost increase on one origin and a capacity-driven supply increase are moving through the same market at the same time.

DINCH, TOTM and Other Non-Phthalate Alternatives: No Published Price Level#

No free source in this guide's source library publishes a price for DINCH, TOTM or any of the other non-phthalate plasticizers, so this guide states their price status rather than a level. DINCH, CAS 166412-78-8, is a hydrogenated phthalate sold by BASF as Hexamoll DINCH and by Evonik as Elatur CH, profiled in full on the DINCH substance page, and it holds no individual specific migration limit under EU Regulation (EU) No 10/2011, only the 60 mg/kg group restriction that covers the wider plasticizer group. TOTM, CAS 3319-31-1, is a trimellitate with three ester arms and a correspondingly low vapour pressure, used at 30.3 to 41.0 wt% in PVC medical tubing (Bernard et al., 2018, PLoS One) where its low volatility and high thermal resistance justify a price premium that this guide cannot state in dollar terms because no source publishes one. Neither DINCH nor DOTP nor TOTM carries a Candidate List entry for substances of very high concern, unlike DEHP, DBP, BBP and DIBP, so their price includes no compliance overhead from that source, and the demand shift toward non-phthalate plasticizers is documented in regulatory restriction rather than in a comparative price the buyer can read directly.

Plasticizer Price Comparison: Class, Dosage and Price Data Availability#

Seven plasticizers cover almost every price question this guide receives, and the table below states what each one is, how much of a PVC compound it typically forms, and whether a free price exists for it. Dosage ranges come from this guide's plastic additives database, not from a single supplier data sheet, and they set the volume against which any price, once one exists, must be read.

Every row in this table carries a documented dosage range from this site's plasticizer dosage and selection reference, and every row except DEHP carries no free price, which is the pattern this guide's price drivers section explains next.

What Drives Plasticizer Prices? 4 Documented Drivers#

Four documented factors move a plasticizer's landed cost: trade measures, the supply and demand balance, new capacity, and regulation-driven substitution. Each one is dated and sourced in this guide's source library, and each hits a different plasticizer harder than the others.

Compliance status is one part of the fourth driver: DEHP, DBP, BBP and DIBP are all on the REACH Candidate List of substances of very high concern, DEHP since 28 October 2008, while DINP, DIDP, DOTP, DINCH and TOTM are not, a difference tracked in full on plastic additive regulations.

Cost in Use: Comparing Plasticizers Beyond Price per Kilogram#

The number that decides a formulation is cost in use, not price per kilogram, because plasticizer dosage in flexible PVC runs from 5 to 65 wt% at Shore A hardness 50 to 90, a ten-fold range that price alone never captures. The underlying arithmetic is a derived method rather than a single published formula: the cost per kilogram of compound equals the sum, across every ingredient, of its weight fraction multiplied by its price, and the cost per litre equals that figure multiplied by the compound's density. A PVC compounder working in phr, parts per hundred resin, converts to weight percent with wt% = phr of the ingredient divided by the sum of all phr, multiplied by 100, the same conversion this site's formulation reference uses for every additive family. Below roughly 15 phr, a plasticized PVC compound can show antiplasticization, a stiffening effect rather than the expected softening, which is one reason a formulator compares plasticizers by function and dosage first and by price per kilogram second. Two plasticizers priced identically per kilogram but dosed at the two ends of the 5 to 65 wt% range differ by more than an order of magnitude in what they add to a tonne of finished compound, which is why none of the price comparisons in this guide state a cost per part without that dosage attached.

How to Read and Compare a Plasticizer Quote#

Two plasticizer quotes are comparable only when both state the same five things, because a bare price per kilogram omits everything that makes DOP, DOTP, DINP, DINCH and TOTM priced differently from each other in the first place. The five items below turn an isolated offer into a comparable one.

1. Confirm the plasticizer identity by CAS number, not trade name; "DOP" in a quote can mean DEHP (CAS 117-81-7) or, rarely, DNOP (CAS 117-84-0), and the two are not interchangeable.
2. Fix the delivery basis, currency and country of origin, since DOTP and DINP both carry origin-dependent trade measures that change landed cost.
3. State the dosage in phr or wt% for the target compound, not just a price per kilogram, so the quote can be converted to cost in use.
4. Ask which legal entity holds the REACH registration and, for food-contact grades, the EU 10/2011 FCM number and specific migration limit.
5. Request the minimum order quantity and packaging, then convert every competing offer to cost per tonne of finished compound before comparing.

Below tonnage-contract volume, plasticizers are bought from a distributor rather than from the producer directly: Brenntag, headquartered in Essen, reported revenue of EUR 16.8 billion in 2023 from more than 600 locations in 72 countries, while Univar Solutions, based in Downers Grove, Illinois, has operated as a private company under Apollo ownership since August 2023 at an enterprise value of USD 8.1 billion; IMCD, based in Rotterdam, and Azelis, based in Antwerp, complete the group of four that carries most plasticizer volume in Europe and North America. Sending one specification, with CAS number, dosage and delivery basis fixed, to four or five plasticizer manufacturers and suppliers at once is the only way to compare quotes on the same basis, and the plastic additive supplier finder routes a single request-for-quote to verified suppliers rather than to one at a time.

How This Plasticizer Price Guide Is Built, Sourced and Corrected#

This guide publishes only a figure with a stated basis, a named source and a year, and it states a gap rather than an estimate wherever no free source exists. That same standard applies across the site's full plastic additive price guides collection. The one verified price series on this page, the Chinese DOP movement for 2025, comes from a single named source, ResourceWise, and this guide never averages it against a paywalled agency assessment or a marketplace listing. Corrections follow the site's editorial policy: independence, sources and corrections, which states how a figure is added, checked, and replaced once a newer primary source disagrees with it; every fact on this page is fact-checked under the same process described on the methodology and fact-checking page linked in the byline below.

How Plasticizer Prices Relate to the Plasticizers Market#

A price is what one tonne of one plasticizer costs; a market size is what the whole plasticizer segment sells globally in a year, and the two numbers answer different questions. European Plasticisers puts global plasticizer consumption at 8.4 million tonnes a year, which is more than 8 of the 36.7 million tonnes of additives consumed worldwide in 2023 across every additive family (Ceresana), but neither figure states a price. The capacity, trade and demand detail behind that volume, including the Chinese production and export figures this guide's price section already covers, belongs to the plasticizers market page rather than to this price guide, since a tonne total and a price per tonne are not the same entity.

What This Guide Does Not Publish#

This guide prices plasticizers, not the polyvinyl chloride resin they go into, and it excludes three categories from every section above.

• Commodity PVC resin prices, a different entity covered by dedicated resin price services, not by an additive reference.
• Paywalled index values from ICIS, Argus or ChemAnalyst, regardless of how the figure was obtained.
• Estimated or modelled prices for DOTP, DINP, DIDP, DINCH, TOTM or DOA, where this guide states the gap rather than filling it with an unsourced number.

A reader looking for a per-kilogram price of DOTP, DINP or DINCH will not find one on this page, because no free primary source publishes one as of this review.

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