isooctadecenoic acid Price Chart & Market Analysis 2026

isooctadecenoic acid Price Information Spec: China national standards

Newest Price 871.11

Price Date 20210323

Day's Change +96.56

Day's Range 871.11 - 967.67

Month's Change 0

Month's Range 0 - 0

Year's Change 0

Year's Range 0 - 0

Opinions

What drives isooctadecenoic acid pricing versus standard oleic acid?

Worth adding that downstream formulators rarely switch between the two on price alone. The branched structure changes solubility and flow behavior, so once a customer qualifies isooctadecenoic acid in a lubricant or metalworking fluid, switching costs keep demand sticky. That stickiness, not feedstock, is what really protects the premium.

How does the C18 branched acid supply chain differ from linear oleic acid?

One practical angle: because branched grades run in campaigns, buyers should watch producer maintenance schedules rather than feedstock indices. A single plant turnaround can tighten the market for months, and spot availability often dries up before price signals even move.

Where is downstream demand for branched C18 acids heading?

Also note the substitution risk runs one way. A formulator can sometimes downgrade to linear oleic acid if performance tolerances allow, but upgrading from linear to branched is rare without a full reformulation. That asymmetry caps upside during soft industrial cycles.

Overview

Isooctadecenoic acid (CAS 37343-44-5, C18H34O2) is a branched-chain monounsaturated fatty acid, typically appearing as a colorless to pale yellow liquid that is insoluble in water but soluble in organic solvents. It functions as a versatile fatty acid intermediate for industrial and specialty applications.

Industrial: used in the production of lubricants, surfactants, and soaps where branched-chain structure imparts improved low-temperature properties.
Coatings & inks: serves as a component in alkyd resins, paints, and printing inks.
Cosmetics: applicable in skincare and personal care formulations as an emollient or structuring agent.
Chemical synthesis: acts as a feedstock for esters and other fatty acid derivatives.

China's production landscape centers on oleic acid-derived and branched fatty acid processing, with output primarily serving domestic industrial demand. The market is characterized by moderate capacity and steady consumption from downstream lubricant and surfactant sectors.

Key domestic producers:
Zhejiang Zanyu – industrial and specialty grades.
Jiangsu Yonghua – fatty acid derivatives.

Properties

Name

isooctadecenoic acid

CAS Number

37343-44-5

EINECS No.

253-480-0

HS Code

3823700000

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isooctadecenoic acid Price Information Spec: China national standards

Opinions

What drives isooctadecenoic acid pricing versus standard oleic acid?

How does the C18 branched acid supply chain differ from linear oleic acid?

Where is downstream demand for branched C18 acids heading?

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