Azelaic Acid Diethyl Ester
Diethyl azelate is a diester of azelaic acid, a colorless liquid with a fruity odor used in the synthesis of low molecular weight polyesters and as a cross-linking agent. As an ester of azelaic acid, it falls under tariff item 2917.13.00, which covers azelaic acid, sebacic acid, their salts and esters.
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:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ester is not specifically derived from azelaic acid
Other acyclic polycarboxylic acids and their esters may be classified here if not covered by more specific subheadings.
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
• Ensure the product is clearly labeled as diethyl azelate with its chemical formula and purity for customs declaration
• Verify the duty rate for esters of azelaic acid under tariff item 2917.13.00, as rates may differ from the acid itself
• Keep documentation of the manufacturing process to confirm it is a chemically defined ester
Related Products under Tariff item 2917.13.00
Azelaic Acid Dimethyl Ester
Dimethyl azelate is the dimethyl ester of azelaic acid, used as a chemical intermediate for polymer synthesis and corrosion inhibitors. It qualifies as an 'other' ester of acyclic polycarboxylic acids under this tariff item.
Azelaic Acid Monosodium Salt
Sodium azelate is the monosodium salt of azelaic acid, a white powder used in biodegradable polymers and corrosion inhibitors. As a salt of azelaic acid, it is explicitly included in tariff item 2917.13.00, which covers azelaic acid, sebacic acid, their salts and esters.
Azelaic Acid Powder
Azelaic acid in crystalline powder form is a pure dicarboxylic acid with nine carbon atoms, used primarily in cosmetics for acne and rosacea treatment. It falls directly under tariff item 2917.13.00, which specifically names azelaic acid.
Bio-Based Sebacic Acid Granules
Bio-based sebacic acid granules are renewable sebacic acid derived from castor oil, granulated for metering in biodegradable polymer production. Regardless of bio-origin, the product is chemically identical to sebacic acid and falls under tariff item 2917.13.00.
Bis(2-butoxyethyl) Sebacate
Bis(2-butoxyethyl) sebacate is a high-performance plasticizer for nitrocellulose and polyvinyl butyral applications. It is a chemically defined sebacic acid ester, meeting Chapter 29 criteria without exclusions.
Dibutyl Sebacate (DBS)
Dibutyl sebacate is an ester of sebacic acid used as a plasticizer for nitrocellulose lacquers and vinyl resins, offering good low-temperature performance. As an ester of sebacic acid, it is covered by tariff item 2917.13.00, which includes esters of sebacic acid.