The 2-Methylpropene market was valued at US$ 31.83 billion in 2025 and is expected to reach US$ 49.84 billion by 2034; it is estimated to record a CAGR of 5.11% during 2026–2034. 2-Methylpropene (commonly known as isobutylene)—a branched-chain gaseous alkene and fundamental C4 petrochemical intermediate—delivers exceptional chemical reactivity, high-octane blending...