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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If acyclic epoxide without methyl substitution
Epoxides lacking the specific methyloxirane structure fall under the broader acyclic epoxides in heading 2909.
If sold as mixture with >2% impurities
Mixtures not meeting chemically defined compound criteria per Chapter 29 note (a) classify as chemical preparations in Chapter 38.
If converted to acyclic alcohol derivative
Ring-opened products become acyclic alcohols classified under heading 2905 rather than epoxides.
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Import Tips & Compliance
• Verify purity certificate (typically 99.5%+); ensure UN2057 hazardous material declaration for DOT compliance; store in stainless steel containers to prevent contamination
Related Products under HTS 2910.20.00.00
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.