Styrene Price Chart & Market Analysis 2026

Styrene Price Information Spec: 99.8%;99.9%;Styrene, National Standard;Styrene, National Standard Premium Grade;All-pass / Premium Grade

Newest Price 1,406.68

Price Date 20261021

Day's Change -21.86

Day's Range 1,406.68 - 1,384.82

Month's Change +105.21

Month's Range 1,301.18 - 1,406.39

Year's Change +246.77

Year's Range 1,255.7 - 1,008.93

Opinions

Why is styrene called the 'devil variety' in futures markets, and what drives its price swings?

This explains why styrene often decouples from feedstock costs in the short term. For buyers, tracking weekly port inventories in East China is more actionable than forecasting pure benzene trends. Also note coal-based styrene isn't deliverable on futures, so paper and futures markets can diverge from physical coal-route supply.

What role does benzene cost play in styrene pricing, and how are margins squeezed?

For buyers, the benzene-naphtha spread is a better leading indicator than crude itself. When that spread normalizes below $150/ton, styrene cost support weakens. Also, note that coal-based benzene (hydrogenated) can't be used in all styrene downstream applications, so oil-based benzene pricing remains the true benchmark for deliverable grades.

How is China's styrene capacity expansion reshaping the global trade map?

The structural surplus means China's net imports could turn into exports, pressuring Asian prices. However, anti-dumping duties on Korean, Taiwanese, and US material remain in place, so those flows are restricted. Watch for capacity rationalization in Europe—over 1.5 million tons of styrene-linked units are closing—which may open niche export windows for Chinese producers.

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Overview

Styrene (phenylethylene, CAS 100-42-5) is a colourless, flammable liquid with a sweet odour, a density of 0.906 g/mL, a boiling point of 145–146 °C, and low water solubility. It is a key polymerisation monomer used mainly to produce polystyrene and copolymers.

Polystyrene (PS) & EPS: the largest downstream uses, together accounting for roughly half of China's styrene consumption.
ABS resins: a terpolymer with acrylonitrile and butadiene, where styrene provides processability and gloss.
Synthetic rubbers: used in SBR, SBS, SIS, and SEBS, contributing elasticity and durability.
UPR & other specialties: feedstock for unsaturated polyester resins and diverse engineering applications.

China is the world's core production and consumption hub, with capacity far exceeding domestic demand, creating an export surplus. The dominant route is ethylbenzene dehydrogenation; ethylbenzene is sourced from benzene alkylation with ethylene over zeolite catalysts, with benzene (mainly petroleum-based) accounting for roughly 78% of styrene's mass. Recent capacity additions from integrated refining complexes have reshaped the supply landscape.

Key domestic producers:
Zhejiang Petrochemical – the largest domestic producer, with a capacity of 1.8 million t/y.
Rongsheng Petrochemical – total capacity of 2.5 million t/y, about 10% of national capacity.

Properties

Name

Styrene

Cinnamene

Cinnamol

ETHENYLBENZENE

FEMA 3233

CAS Number

100-42-5

EINECS No.

202-851-5

Risk Codes

S23;S36;S26;S16;S45;S36/37;S7;S46

Safety Description

R10;R20;R36/38;R40;R36/37/38;R39/23/24/25;R23/24/25;R11;R48/20;R63

HS Code

2902500000

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ChemPriceHub

Styrene Price Information Spec: 99.8%;99.9%;Styrene, National Standard;Styrene, National Standard Premium Grade;All-pass / Premium Grade

Opinions

Why is styrene called the 'devil variety' in futures markets, and what drives its price swings?

What role does benzene cost play in styrene pricing, and how are margins squeezed?

How is China's styrene capacity expansion reshaping the global trade map?

Latest News

On October 22, Lihua Yiweiyuan Chemical Co., Ltd. quoted the latest price for styrene at 1

Flash Report on International Styrene Closing Prices, October 21, 2026

Morning Market Insight: Diethylene Glycol

September exports were distributed across multiple countries, while the advantage of domestic self-sufficiency remains solid.

Spot prices for pure benzene in East China declined.

Arbitrage Analysis of Styrene Between Domestic and International Markets in Asia on October 21

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