Linolenic Acid Mixture (Alpha+Gamma)
A mixture of alpha- and gamma-linolenic acid isomers is classified under this tariff item per Chapter Note 1(b). It is used in nutritional research. The mixture contains two isomers of the same organic compound.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the ratio of alpha to gamma isomers to confirm it is a mixture of isomers of the same compound
• Ensure the mixture is not a mixture of different compounds, which would fall under a different heading
• Provide analytical data to support classification
Related Products under Tariff item 2916.15.00
Alpha-Linolenic Acid 50% Oil
A concentrate containing 50% alpha-linolenic acid (ALA) from flaxseed oil is classified as linolenic acid. It is used in omega-3 supplements and paints. The concentrate is a separate chemically defined compound, even at 50% concentration.
Alpha-Linolenic Acid (ALA) 50% Concentrate
Alpha-linolenic acid (ALA) is a polyunsaturated omega-3 fatty acid, chemically defined as an organic compound. Sourced from flaxseed or chia oils, it is used in dietary supplements and pharmaceuticals. It falls under this tariff item as a linolenic acid, whether or not in concentrate form.
Commercial Oleic Acid from Tallow
Commercial oleic acid derived from animal tallow splitting is a separate chemically defined organic compound. Despite its animal origin, it qualifies as a pure oleic acid under Chapter 29. It is used in soap manufacturing and metalworking fluids.
Ethyl Linoleate Standard
Ethyl linoleate is a high-purity ethyl ester of linoleic acid, used as an analytical standard and research chemical. Per Chapter Note 5(A), esters of acid-function organic compounds are classified with the acid compound. Thus, it falls under this tariff item as a linoleic acid ester.
Gamma-Linolenic Acid (GLA) Extract
Gamma-linolenic acid (GLA) is an isomer of linolenic acid, extracted from borage or evening primrose oil. As a defined organic compound, it is classified under this tariff item. It is used in dietary supplements for its health benefits.
High Purity Oleic Acid 95% Pharmaceutical Grade
High-purity oleic acid at 95% purity is a chemically pure unsaturated monocarboxylic acid. It is used as an excipient in pharmaceutical formulations and emulsions. It meets the Chapter 29 definition of a separate chemically defined compound.