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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China5.5%+35.0%40.5%
πŸ‡²πŸ‡½Mexico5.5%+10.0%15.5%
πŸ‡¨πŸ‡¦Canada5.5%+10.0%15.5%
πŸ‡©πŸ‡ͺGermany5.5%+10.0%15.5%
πŸ‡―πŸ‡΅Japan5.5%+10.0%15.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2914.69Lower: 15.5% vs 40.5%

If inhibitor >2% by weight

Excessive stabilizer makes it a mixture classifiable by principal function.

3824.99Lower: 15% vs 40.5%

If multi-component stabilizer package

Complex stabilizer systems classify as chemical preparations.

2932.99Lower: 13.7% vs 40.5%

If contains nitrogen heterocyclic stabilizer

Nitrogen heterocycles classify under separate 2933-2934 headings.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Inhibitor concentration certificate required; 6-month shelf life validation; temperature recorder for shipments

Related Products 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.