O-Acetylsalicylic acid (Aspirin)
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > O-Acetylsalicylic acid, its salts and esters: > O-Acetylsalicylic acid (Aspirin)
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2918.22.10.00
USP Grade O-Acetylsalicylic Acid Powder
Pharmaceutical-grade o-acetylsalicylic acid powder meeting USP standards for purity, used primarily as the active ingredient in aspirin formulations. This chemically defined organic compound with a carboxylic acid and phenol function falls under HTS 2918.22.1000 as pure aspirin acid, separate from finished tablets or mixtures.
PhEur O-Acetylsalicylic Acid Crystals
European Pharmacopoeia compliant crystalline o-acetylsalicylic acid for API synthesis in analgesic drugs. As a pure carboxylic acid with phenol function, it qualifies under HTS 2918.22.1000 per Chapter 29 notes defining separate organic compounds.
Bulk Industrial Aspirin Acid Flakes
Flaked o-acetylsalicylic acid for industrial-scale synthesis of derivatives or veterinary analgesics. This separate, chemically defined compound with additional oxygen function is specifically named in HTS 2918.22.1000.
ACS Reagent O-Acetylsalicylic Acid
American Chemical Society reagent-grade pure o-acetylsalicylic acid for laboratory analytical standards. Falls under HTS 2918.22.1000 as a chemically defined carboxylic acid with phenol function, not a finished preparation.
Stabilized O-Acetylsalicylic Acid Granules
Granular o-acetylsalicylic acid with minimal stabilizer for transport preservation, compliant with Chapter 29 note (f). Used in pharma intermediates; classified as pure acid under HTS 2918.22.1000.
Pharmaceutical API Aspirin Acid Microns
Micronized o-acetylsalicylic acid particles optimized for tablet compression in API production. As a separate chemically defined compound per Chapter 29(a), it imports under HTS 2918.22.1000.
Research Grade O-Acetylsalicylic Acid
High-purity o-acetylsalicylic acid for R&D in drug discovery and synthesis studies. Specifically covered as pure aspirin acid in HTS 2918.22.1000, adhering to Chapter 29 purity notes.
Veterinary Aspirin Acid Powder
Pure o-acetylsalicylic acid powder labeled for animal health applications like anti-inflammatory in livestock. Remains under HTS 2918.22.1000 as chemically defined compound, not finished veterinary med.
O-Acetylsalicylic Acid with Anti-Dusting Agent
O-acetylsalicylic acid treated with minimal anti-dusting agent for safe handling, per Chapter 29 note (g). Used in bulk pharma transfer; classified as pure acid HTS 2918.22.1000.
Technical Grade Aspirin Acid
Technical-grade o-acetylsalicylic acid for non-pharma chemical synthesis like dye intermediates. Meets Chapter 29 criteria as separate organic compound in HTS 2918.22.1000.