MARKET INSIGHTS
The Southeast Asia Isooctene market size was valued at USD 56.7 million in 2024. The market is projected to grow from USD 59.8 million in 2025 to USD 88.5 million by 2032, exhibiting a CAGR of 5.7% during the forecast period.
Isooctene is a high‑purity olefin derivative primarily utilized as a key intermediate in the petrochemical industry. This branched‑chain hydrocarbon is instrumental in the production of various high‑value chemicals, including polyisobutylene, octylphenol, and diisobutylene, while also serving as a crucial component in high‑octane fuel additives that improve gasoline performance and reduce engine knocking.
The market is experiencing steady growth driven by the robust expansion of petrochemical industries across Thailand and Indonesia, which collectively accounted for over 60% of regional consumption in 2024. Furthermore, increasing automotive fuel standards and stringent environmental regulations are propelling demand for high‑octane fuel components. However, the market faces significant challenges from crude oil price volatility, which directly impacts production economics. Recent developments include growing interest in bio‑based isooctene production methods to enhance sustainability, with key regional players like PTT Global Chemical and Petronas Chemicals Group investing in capacity expansions to meet growing regional demand.
Southeast Asia Isooctene Market – View in Detailed Research Report
Top 10 Companies in the Southeast Asia Isooctene Market
1. PTT Global Chemical Public Company Limited
Headquarters: Thailand
Key Offering: Isooctene, polyisobutylene, specialty chemicals
PTT Global Chemical leverages its integrated olefins and aromatics production facilities to supply high‑purity isooctene across domestic and export markets. The company’s recent expansion of the Map Ta Phut complex has increased its isooctene output by 15% in 2025, positioning it as a key supplier to the growing fuel additive and polymer sectors.
Sustainability & Growth Initiatives: Investment in bio‑based isooctene production, expansion of renewable feedstock integration, and partnerships with local universities for catalyst development.
- Capacity expansion of 2.5 Mt/year at Map Ta Phut (2026)
- Partnership with Thai universities for catalytic research
- Targeted 10% reduction in CO₂ emissions by 2034
2. Petronas Chemicals Group Berhad
Headquarters: Malaysia
Key Offering: Isooctene, C4 olefins, petrochemical intermediates
Petronas Chemicals benefits from upstream feedstock integration via its parent company Petronas, enabling cost‑competitive production of olefin‑based products. The company’s refinery upgrades in 2026 are expected to boost isooctene output by 12%.
Sustainability & Growth Initiatives: Commitment to circular economy practices, investment in carbon capture, and development of bio‑based olefins.
- Installation of carbon capture unit at Pengerang refinery (2026)
- Bio‑olefin pilot plant launched (2025)
- Goal of 20% renewable feedstock mix by 2034
3. Thai Oil Public Company Limited
Headquarters: Thailand
Key Offering: Isooctene, refined fuels, specialty chemicals
Thai Oil’s downstream chemical operations supply isooctene to the domestic market, supporting fuel additive and lubricant manufacturing. The company is expanding its integrated petrochemical complex to increase isooctene production by 10% in 2026.
Sustainability & Growth Initiatives: Development of low‑carbon fuel blends, investment in advanced catalytic technologies, and regional supply chain optimization.
- Launch of low‑carbon fuel blend program (2025)
- Upgrade of catalytic dimerization unit (2026)
- Regional distribution network expansion to Vietnam and Indonesia
4. PT Chandra Asri Petrochemical Tbk
Headquarters: Indonesia
Key Offering: Isooctene, C4 olefins, polymer intermediates
Indonesia’s largest integrated petrochemical producer, Chandra Asri is expanding its isooctene production capacity by 18% in 2026 to meet growing domestic demand for fuel additives and specialty polymers.
Sustainability & Growth Initiatives: Investment in renewable energy for petrochemical plants, partnership with local universities for catalyst research, and commitment to ESG reporting.
- Renewable energy integration at West Java plant (2026)
- Collaboration with Universitas Gadjah Mada for catalyst development (2025)
- ESG score improvement target of 30% by 2034
5. SCG Chemicals Co., Ltd.
Headquarters: Thailand
Key Offering: Isooctene, specialty chemicals, polymer additives
SCG Chemicals leverages its broad petrochemical portfolio to supply high‑purity isooctene to the regional market, supporting the growth of specialty plasticizers and lubricants.
Sustainability & Growth Initiatives: Development of bio‑based chemical lines, investment in energy efficiency, and expansion into emerging markets.
- Launch of bio‑based plasticizer line (2026)
- Energy efficiency upgrade at Phitsanulok facility (2025)
- Expansion into Vietnam and Malaysia markets
6. Lotte Chemical Titan Holding Berhad
Headquarters: Malaysia
Key Offering: Isooctene, olefin derivatives, specialty chemicals
Lotte Chemical Titan’s production facilities in Malaysia support regional demand for high‑purity isooctene, particularly in the lubricant and polymer sectors.
Sustainability & Growth Initiatives: Investment in green chemistry, partnership with local suppliers, and focus on circular economy.
- Green chemistry lab established (2025)
- Partnership with local suppliers for bio‑feedstock (2026)
- Target of 25% renewable feedstock mix by 2034
7. Sinopec
Headquarters: China (Regional Trading Operations in Vietnam and Indonesia)
Sinopec’s trading and marketing arms supply isooctene and related olefin products across Southeast Asia, supporting the region’s growing petrochemical and fuel sectors.
Sustainability & Growth Initiatives: Expansion of bio‑based olefin supply, investment in advanced catalytic technologies, and regional logistics optimization.
- Expansion of bio‑olefin supply to Vietnam (2026)
- Investment in advanced catalytic technology (2025)
- Logistics network optimization in Indonesia and Malaysia
8. Formosa Plastics Corporation – Vietnam Operations
Headquarters: Vietnam (Operations in Ha Tinh)
Formosa Plastics’ Vietnam operations supply isooctene and other olefin derivatives, supporting the country’s expanding petrochemical industry.
Sustainability & Growth Initiatives: Commitment to renewable energy, investment in local supply chains, and development of bio‑based chemicals.
- Renewable energy integration at Ha Tinh plant (2026)
- Development of local supply chain (2025)
- Bio‑based chemical development program (2026)
9. PetroVietnam (Vietnam Oil and Gas Group)
Headquarters: Vietnam
Key Offering: Isooctene, petrochemical intermediates, fuel additives
PetroVietnam is expanding its petrochemical capacity to meet rising domestic demand for isooctene, particularly in the fuel additive sector.
Sustainability & Growth Initiatives: Investment in renewable energy, ESG reporting, and development of bio‑based feedstocks.
- Renewable energy integration at PetroVietnam Petrochemical (2026)
- ESG reporting framework implementation (2025)
- Bio‑feedstock development program (2026)
10. Reliance Industries Limited
Headquarters: India
Key Offering: Isooctene, petrochemical intermediates, supply chain services
While primarily serving Indian markets, Reliance Industries’ trading operations support the Southeast Asian market through strategic partnerships and supply chain integration.
Sustainability & Growth Initiatives: Investment in renewable energy, carbon capture projects, and development of bio‑based olefins.
- Carbon capture project at Jamnagar refinery (2026)
- Renewable energy integration at petrochemical plants (2025)
- Development of bio‑olefins pilot plant (2026)
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Outlook
The Southeast Asia Isooctene market is poised for sustained growth, driven by expanding petrochemical infrastructure, rising demand for high‑octane fuel additives, and increasing investment in bio‑based production technologies. The market is expected to reach USD 88.5 million by 2032, reflecting a robust CAGR of 5.7% over the forecast period. Key growth drivers include the integration of renewable feedstocks, expansion of downstream processing hubs, and regulatory incentives for low‑carbon fuels.
Future Trends
- Accelerated adoption of bio‑based isooctene as a green alternative to fossil‑derived feedstocks.
- Expansion of high‑purity isooctene production to meet stringent quality standards for specialty lubricants and polymer additives.
- Digitalization of supply chains and adoption of advanced analytics for feedstock optimization.
- Increased collaboration between integrated petrochemical producers and research institutions for catalyst innovation.
- Growing emphasis on ESG compliance and carbon footprint reduction across the supply chain.
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