Butylene Oxide Technical Grade 99%
Technical grade butylene oxide at 99% purity is a chemically defined epoxide with a three-membered ring, qualifying under HTS 2910.90.10.00 per chapter note (a) allowing minor impurities. Commonly used in industrial production of propylene glycol ethers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as glycidol derivatives
Epoxyalcohols or closely related structures may classify in the glycidol subheading rather than specific butylene oxide.
If containing light hydrocarbon impurities
High hydrocarbon impurity levels could shift classification to petroleum distillates if epoxide content drops below defining threshold.
If preparations of organic epoxides
Mixtures of epoxides with other organics exceeding purity limits classify as chemical mixtures.
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Import Tips & Compliance
• Submit Certificate of Analysis (CoA) showing ≥98% purity to distinguish from mixtures classifiable in heading 3824
• Declare exact stabilizer content if present, as note (f) requires classification with pure compound only if stabilizer is necessary for preservation
• Pre-register with EPA for TSCA and prepare for possible fumigation requirements in wooden chemical drums
Related Products under HTS 2910.90.10.00
Butylene Oxide (1,2-Epoxybutane)
Butylene oxide is a three-membered ring epoxide compound (1,2-epoxybutane) classified under HTS 2910.90.10.00 as it fits the chapter definition for separate chemically defined organic epoxides with a three-membered ring. It is primarily used as a reactive intermediate in organic synthesis for producing glycol ethers and surfactants.
2-Methyloxirane (Isobutylene Oxide)
2-Methyloxirane, also known as isobutylene oxide, is a branched epoxide with a three-membered ring, directly matching HTS 2910.90.10.00 for butylene oxide specifications. It serves as a key intermediate in manufacturing pharmaceuticals and polymer additives.
1,2-Epoxy-2-Methylpropane
1,2-Epoxy-2-methylpropane is a specific butylene oxide isomer featuring the required three-membered epoxide ring, classified under HTS 2910.90.10.00. It functions as a versatile alkylating agent in fine chemical manufacturing.
Butylene Oxide with Stabilizer
Stabilized butylene oxide contains added preservatives necessary for transport while maintaining its identity as a chemically defined three-membered ring epoxide under HTS 2910.90.10.00 per chapter note (f). Used in polymer initiator production.