Methyloxirane (Propylene oxide)
Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives: > Methyloxirane (Propylene oxide)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2910.20.00.00
Propylene Oxide
Methyloxirane, commonly known as propylene oxide, is a volatile, colorless liquid organic compound with a three-membered epoxide ring, classified under HTS 2910.20.00.00 as a separate chemically defined epoxide. It serves as a key intermediate in producing polyether polyols for polyurethane foams and propylene glycol for antifreeze.
Propylene Oxide 99.9% Technical Grade
High-purity methyloxirane (propylene oxide) at 99.9% concentration, supplied in bulk for industrial synthesis, falling under HTS 2910.20.00.00 due to its epoxide structure. Used primarily in manufacturing surfactants and pharmaceutical intermediates.
Industrial Propylene Oxide Drums
Methyloxirane packaged in 200L steel drums with stabilizer for safe transport, classified under HTS 2910.20.00.00 as the epoxide compound per Chapter note (f). Essential raw material for rigid polyurethane foam production in construction.
Propylene Oxide for Polyol Synthesis
High-grade methyloxirane specifically for alkoxylation reactions producing polyether polyols, classified under HTS 2910.20.00.00. Meets Chapter 29 requirements for separate chemically defined epoxides used in polymer manufacturing.
Stabilized Propylene Oxide ISO Tanks
Methyloxirane with added polymerization inhibitor in 20MT ISO tanks for bulk import, under HTS 2910.20.00.00 per Chapter note (f) for stabilized products. Used in continuous production of propylene glycol and surfactants.
Electronic Grade Propylene Oxide
Ultra-high purity methyloxirane (<10 ppm metals) for semiconductor photoresist manufacturing, classified under HTS 2910.20.00.00. Meets strict Chapter 29 purity standards for chemically defined compounds.
Propylene Oxide with Anti-Dusting Agent
Methyloxirane containing trace anti-dusting additive for safety handling, classified under HTS 2910.20.00.00 per Chapter note (g). Used in open-system manufacturing of flame retardants and pharmaceuticals.
Pharma Grade Propylene Oxide
GMP-certified methyloxirane meeting USP/EP standards for pharmaceutical intermediate synthesis, under HTS 2910.20.00.00. Used in production of epoxide hydrolase inhibitors and chiral building blocks.
Propylene Oxide Polymerization Inhibited
Methyloxirane with 50 ppm hydroquinone monomethyl ether inhibitor, classified under HTS 2910.20.00.00 per Chapter note (f). Prevents exothermic polymerization during storage and transport for polyurethane industry.
Methyloxirane Bulk Chemical
Pure methyloxirane (propylene oxide) in railcar quantities for chemical distribution, under HTS 2910.20.00.00. Primary feedstock for hydroxypropyl derivatives in personal care products.