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Adipic Acid (Hexanedioic Acid)

Adipic acid is a white, crystalline dicarboxylic acid (HOOC-(CH2)4-COOH) used primarily in nylon production. It falls under HTS 2917.12.1000 as a chemically defined acyclic polycarboxylic acid. This classification covers the pure compound without salts or esters.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina6.5%+37.5%44%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico6.5%+10.0%16.5%
๐Ÿ‡จ๐Ÿ‡ฆCanada6.5%+10.0%16.5%
๐Ÿ‡ฉ๐Ÿ‡ชGermanyFree+10.0%10%
๐Ÿ‡ฏ๐Ÿ‡ตJapanFree+12.5%12.5%

Alternative Classifications

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

2917.12.20.00Same rate: 44%

If imported as aqueous solution for safety/transport

Solutions of adipic acid in water qualify under Chapter 29 note (d) but may shift if solvent renders it for specific use.

3824.99Lower: 17.5% vs 44%

If mixed with impurities exceeding trace levels

Mixtures of organic compounds not meeting 'chemically defined' criteria in Chapter 29 note (a) fall under prepared chemical mixtures.

3105.30.00.00Lower: 25% vs 44%

If formulated as diammonium adipate fertilizer

Salts of organic acids like diammonium adipate are classified under fertilizers when used for agricultural purposes (Chapter 31).

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code โ€” and can price the duty on it in the same conversation.

Import Tips & Compliance

โ€ข Verify purity exceeds 99% to avoid reclassification as mixtures under Chapter 38; provide REACH/SDS documentation for hazardous material handling

โ€ข Common pitfall: incorrect labeling as 'nylon intermediate' shifts to parts classification