Diflunisal
Difluoro derivative of salicylic acid, NSAID active with phenol function. HTS 2918.29.65.00 per U.S. note 3 for halogenated phenolic acids.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk active pharmaceutical ingredient with excipients
API in formulated bulk shifts to medicaments chapter 30.
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Import Tips & Compliance
• Fluorine substitution confirmed by NMR
Related Products under HTS 2918.29.65.00
Aspirin (Acetylsalicylic Acid)
Acetylsalicylic acid is a carboxylic acid with phenol function (salicylate structure) used as an analgesic and anti-inflammatory agent. It falls under HTS 2918.29.65.00 as a product described in additional U.S. note 3 to section VI, which covers specific pharmaceutical carboxylic acids in this category. This pure chemical compound is imported for pharmaceutical manufacturing or bulk medicinal use.
Methyl Salicylate Technical Grade
Methyl salicylate, the methyl ester of salicylic acid, retains phenol function classification per chapter note 4(A). Falls under HTS 2918.29.65.00 as specified in additional U.S. note 3 for phenolic carboxylic derivatives. Used in fragrances, liniments, and as chemical intermediate.
Aspirin Lysine Salt
The lysine salt of acetylsalicylic acid maintains classification with parent acid per chapter note 4(C)(1). Covered under HTS 2918.29.65.00 via additional U.S. note 3 for pharmaceutical salts. Imported for soluble analgesic formulations.
Sodium Salicylate
Sodium salt of salicylic acid, classified with parent phenolic carboxylic acid per chapter note 4(C)(1). HTS 2918.29.65.00 per U.S. note 3 for specified pharmaceutical compounds. Used in analgesic and anti-rheumatic preparations.
Gentisic Acid (2,5-Dihydroxybenzoic Acid)
Gentisic acid features multiple phenol functions on benzoic acid core, qualifying under 2918.29 phenolic carboxylics. HTS 2918.29.65.00 via additional U.S. note 3. Pharmaceutical intermediate for analgesics and antioxidants.
Salicylamide
Salicylamide is the primary amide derivative of salicylic acid retaining phenol function. Covered under HTS 2918.29.65.00 per U.S. note 3 for pharmaceutical salicylate derivatives. Used as analgesic active.