2711.14.00.30/Liquefied Isobutylene (2-Methylpropene)/Germany

Liquefied Isobutylene (2-Methylpropene) from Germany

Liquefied isobutylene, also known as 2-methylpropene, is a branched C4 olefin gaseous hydrocarbon liquefied under pressure, falling under HTS 2711.14.00.30 as butylene. It serves as a key intermediate in producing methacrylic acid, butyl rubber, and fuels.

Duty Rate — Germany → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Provide gas chromatography (GC) analysis confirming isobutylene as principal isomer for accurate classification

• Use UN-approved cryogenic pressure vessels; declare exact pressure/temperature conditions on shipping documents

• Check for anti-dumping duties on C4 olefins from specific origins and maintain supply chain records