2-Phenylimidazole Hydrochloride Salt
The hydrochloride salt form of 2-Phenylimidazole, water-soluble for pharmaceutical applications. Per chapter note on salts, classified with the parent organic base under HTS 2933.29.10.00. Used in antifungal creams and veterinary medicines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If salt formation considered dominant characteristic
Inorganic salts of organics may classify under 2942 if not following parent compound rule.
If marketed as pharmaceutical hormone intermediate
Certain hormone precursors shift to 2937 regardless of heterocyclic structure.
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
• Declare salt stoichiometry and pH data to validate classification with parent imidazole
• Obtain prior FDA import alerts clearance for pharma intermediates to avoid detention
• Use moisture-proof packaging to prevent hydrolysis during ocean transit
Related Products under HTS 2933.29.10.00
2-Phenylimidazole
2-Phenylimidazole is a heterocyclic compound containing an unfused imidazole ring with a phenyl group at the 2-position, classified under HTS 2933.29.10.00 as an aromatic compound with nitrogen hetero-atom(s) only. It serves as a key intermediate in pharmaceutical synthesis and polymer chemistry.
High Purity 2-Phenylimidazole (99%+)
Pharmaceutical-grade 2-Phenylimidazole with purity exceeding 99%, used in antifungal drug synthesis and as a ligand in coordination chemistry. Falls under HTS 2933.29.10.00 due to its aromatic imidazole structure with phenyl substitution. Meets chapter requirements for separate chemically defined compounds.
2-Phenylimidazole Technical Grade
Technical grade 2-Phenylimidazole (95-98% purity) used in epoxy resin curing agents and corrosion inhibitors. Classified under HTS 2933.29.10.00 as it matches the specific description of aromatic 2-phenylimidazole. Excludes retail preparations per chapter exclusions.
2-Phenyl-4-Methylimidazole
A modified aromatic imidazole derivative with phenyl at 2-position and methyl substitution, used in photographic chemicals. HTS 2933.29.10.00 covers this as 'aromatic or modified aromatic' 2-phenylimidazole per statistical reporting. Qualifies as chemically defined heterocyclic compound.
Industrial 2-Phenylimidazole for Resin Curing
Bulk 2-Phenylimidazole packaged for epoxy resin curing applications in electronics. HTS 2933.29.10.00 applies as pure aromatic heterocyclic, not as finished resin (Chapter 39). Essential accelerator in circuit board manufacturing.