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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stabilizer makes it suitable for specific use
Chapter note (g) exclusions apply if anti-dusting/coloring agents render product for particular rather than general use.
If other epoxides beyond butylene oxide
Non-butylene epoxides like styrene oxide classify in the residual 'other' subheading of 2910.90.
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Import Tips & Compliance
• Document stabilizer as 'necessary for preservation/transport' per note (f) with <1% concentration to maintain pure compound status
• Conduct stability testing if challenged by customs on whether additions render it suitable for specific use
• Use stainless steel drums compatible with epoxide reactivity to prevent polymerization during transit
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.
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.
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.