Ethyl Ascorbic Acid
Ethyl ascorbic acid is an ethyl ether derivative of ascorbic acid that maintains the integrity of the lactone ring. It is used in cosmetics as a penetration enhancer for vitamin C. As a chemically defined organic compound with a lactone structure, it falls under tariff item 2932.20.00.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as part of a finished cosmetic product
Cosmetic preparations containing ethyl ascorbic acid are classified under heading 3304.
If imported as a vitamin derivative for retail sale
Vitamin C derivatives in retail forms may fall under heading 2936.
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
• Provide the CAS number (86404-04-8) and documentation showing the lactone ring is intact
• If the product is imported in a cosmetic formulation, it may be classified under heading 3304 instead
• Ensure the commercial invoice clearly states the product is a pure chemical compound, not a preparation
Related Products under Tariff item 2932.20.00
4-Hydroxycoumarin Powder
4-Hydroxycoumarin is a synthetic aromatic lactone classified as a heterocyclic compound with oxygen hetero-atoms only. It serves as a key intermediate in pharmaceutical synthesis.
4-Hydroxycoumarin USP Grade
USP-grade 4-Hydroxycoumarin meets pharmacopeia standards for research and synthesis. Its aromatic lactone structure qualifies it as a heterocyclic compound with oxygen hetero-atoms only.
4-Hydroxycoumarin with Stabilizer
4-Hydroxycoumarin with stabilizer is a powder containing an anti-caking agent added for transport, as permitted by Chapter 29 Note 1(f). The stabilizer does not render the product suitable for a specific use. As a separate chemically defined organic compound with a lactone ring, it falls under tariff item 2932.20.00.
4-Methylumbelliferone (CAS 90-33-5)
4-Methylumbelliferone is a methylcoumarin derivative with a lactone ring structure, making it a heterocyclic compound with oxygen hetero-atoms only. It is commonly used as a fluorogenic substrate in biochemical assays and as a laser dye.
6-Ethylcoumarin (CAS 17912-17-1)
6-Ethylcoumarin is a substituted coumarin with a lactone ring, classified as a heterocyclic compound with oxygen hetero-atoms only. It is used in fragrance formulations for its strong, long-lasting scent.
6-Hydroxy coumarin (Umbelliferone)
Umbelliferone (6-hydroxycoumarin) is a phenolic derivative of coumarin, a lactone with an aromatic heterocyclic structure. It is used in cosmetics and as a fluorescent indicator. As a chemically defined organic compound with a lactone ring, it is classified under tariff item 2932.20.00.