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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%6.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3822.19.00Higher: 10% vs 6.5%

If diagnostic reagents in lab kits

Lab reagents prepared for specific diagnostic use exclude from Chapter 29

2918.22Same rate: 6.5%

If as lysine acetylsalicylate salt

Heading specifies esters and salts separately from pure acid

3004.90Higher: 10% vs 6.5%

If in retail packs as over-the-counter pain reliever

Retail medicaments move to Chapter 30 regardless of purity

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Attach ACS purity certificate; label as 'for laboratory use only' to avoid medicament classification

Ensure packaging <25kg to qualify as separate compound

Related Products 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.

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.