Furan
Furan is an aromatic five-membered heterocyclic compound with one oxygen hetero-atom, classified under HTS 2932.99.61.00 as specified in additional U.S. note 3. Used in resin production and as a solvent.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If methylfuran derivatives
Substituted furans with methyl groups classified under specific 2932.91 provision.
If classified as unsaturated cyclic hydrocarbon
Principal chemical structure may determine hydrocarbon vs heterocyclic classification.
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Import Tips & Compliance
• Handle as highly flammable liquid (flash point -23°C) with UN2383 classification
• Provide polymerization inhibitor certificates for stability
• Comply with carcinogen import notifications for workplace safety
Related Products under HTS 2932.99.61.00
Dioxolane
Dioxolane is a five-membered heterocyclic ring compound containing two oxygen hetero-atoms, classified under HTS 2932.99.61.00 as an aromatic heterocyclic compound with oxygen hetero-atoms only and specified in additional U.S. note 3 to section VI. It is commonly used as a solvent and intermediate in organic synthesis.
1,4-Dioxane
1,4-Dioxane is a six-membered heterocyclic ring with two oxygen atoms in 1,4 positions, falling under HTS 2932.99.61.00 as an aromatic heterocyclic compound specified in additional U.S. note 3. It serves as an important solvent in pharmaceuticals and chemical manufacturing.
Tetrahydrofuran (THF)
Tetrahydrofuran is a five-membered heterocyclic ether with one oxygen atom, classified in HTS 2932.99.61.00 per additional U.S. note 3 to section VI. Widely used as a solvent in Grignard reactions and polymer synthesis.
Morpholine
Morpholine features a six-membered heterocyclic ring with one oxygen and one nitrogen atom, but classified under oxygen heterocycle provisions of HTS 2932.99.61.00 when specified in additional U.S. note 3. Used in rubber curing and corrosion inhibition.
2-Methyltetrahydrofuran
2-Methyltetrahydrofuran is a substituted derivative of tetrahydrofuran, listed under HTS 2932.99.61.00 as a heterocyclic oxygen compound per additional U.S. note 3. Used as green solvent alternative in pharmaceutical manufacturing.
Gamma-Butyrolactone (GBL)
Gamma-butyrolactone is a five-membered lactone ring classified as a heterocyclic oxygen compound under HTS 2932.99.61.00 per additional U.S. note 3. Used as solvent and precursor in pharmaceutical synthesis.