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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as finished medicinal tablets or capsules
Tablets, capsules, or other medicaments containing aspirin are classified in chapter 30 as pharmaceutical products, not pure chemicals.
If classified as benzoic acid derivative without phenol function recognition
If the phenolic hydroxyl is not recognized as defining the phenol function, it may fall under other carboxylic acids in 2918.22.
If imported as mixture with excipients or impurities exceeding chapter note tolerances
Chemical mixtures not meeting 'separate chemically defined compound' criteria under chapter 29 note (a) fall into mixtures of chapter 38.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under chapter 29 note (a)
• Ensure compliance with FDA import requirements for pharmaceutical precursors, including Drug Master Files if applicable
• Avoid misclassification as finished dosage forms (heading 3003/3004) by importing as pure bulk chemical only
Related Products under HTS 2918.29.65.00
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.
Ethyl 4-Hydroxybenzoate (Ethyl Paraben)
Ethyl ester of 4-hydroxybenzoic acid, classified with parent phenolic acid per note 4(A). HTS 2918.29.65.00 for specified preservatives. Widely used antimicrobial in cosmetics/pharma.