Benzoin Tetrahydropyranyl Ester
Benzoin tetrahydropyranyl ester is a protected form of benzoin, a heterocyclic compound with oxygen hetero-atoms, used primarily as an intermediate in organic synthesis for pharmaceuticals and fragrances. It falls under HTS 2932.99.39.00 as a specifically named aromatic heterocyclic compound with oxygen hetero-atoms only. This chemical is chemically defined and separate, fitting Chapter 29 note (a).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically named and non-aromatic
Other unspecified heterocyclic compounds with oxygen hetero-atoms fall under the residual 2932.99.60 subheading.
If classified primarily by alcohol function without emphasizing heterocycle
Certain benzyl alcohols or derivatives may shift to Chapter 29 heading 2909 if oxygen function dominates over heterocyclic structure.
If imported as a mixture with solvents exceeding transport allowances
Solutions beyond Chapter 29 note (e) limits (e.g., for specific use) classify as chemical preparations in Chapter 38.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under Chapter 29 note (a)
• Include safety data sheets (SDS) as stabilizers or solvents must not render it suitable for specific use per Chapter notes
• Avoid misclassification as mixtures; ensure it's imported as a separate chemically defined compound, not diluted beyond allowed limits
Related Products under HTS 2932.99.39.00
Xanthen-9-one
Xanthen-9-one, also known as xanthone, is an aromatic heterocyclic compound featuring a central pyrone ring fused with benzene rings, containing oxygen hetero-atoms only. It is used in dye synthesis, pharmaceuticals, and as a fluorescent probe, classified under HTS 2932.99.39.00 as a specifically enumerated product. This pure organic compound meets Chapter 29 requirements for separate chemically defined heterocycles.
Pharmaceutical Grade Benzoin Tetrahydropyranyl Ester
High-purity benzoin tetrahydropyranyl ester intended for API synthesis in drug manufacturing, a chemically defined aromatic heterocyclic ester with oxygen hetero-atoms. Classified specifically under HTS 2932.99.39.00 per the tariff description. Excludes mixtures or preparations, aligning with Chapter 29 scope.
Laboratory Research Xanthen-9-one
Purified xanthen-9-one supplied for research labs, featuring oxygen-only heterocyclic structure, explicitly named in HTS 2932.99.39.00. Used in photochemistry and as a synthetic building block, it qualifies as a separate organic compound under Chapter 29.