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. Per Chapter 29 Note 5(A), esters are classified with the parent acid, so this falls under tariff item 2917.13.00.
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 |
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 of another acyclic polycarboxylic acid
Other acyclic polycarboxylic acid esters are classified here.
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
• Classify as a separate chemically defined ester, not as a plasticizer preparation
• Keep technical data sheets showing the ester's purity and low volatility
• Verify if the product is subject to any chemical control regulations
Related Products under Tariff item 2917.13.00
Azelaic Acid Diethyl Ester
Diethyl azelate is a diester of azelaic acid, a colorless liquid with a fruity odor. It is used in the synthesis of low molecular weight polyesters and as a cross-linking agent. Under Chapter 29 Note 5(A), esters of acid-function organic compounds are classified with the parent acid, so this falls under tariff item 2917.13.00.
Azelaic Acid Monosodium Salt
Sodium azelate is the monosodium salt of azelaic acid, a white powder used in biodegradable polymers and corrosion inhibitors. Chapter 29 Note 5(C)(1) classifies inorganic salts of organic compounds with the parent organic compound, placing it under tariff item 2917.13.00.
Azelaic Acid Powder
Azelaic acid in crystalline powder form is a pure dicarboxylic acid with nine carbon atoms, used in cosmetics for acne treatment and rosacea. It is explicitly named in tariff item 2917.13.00, and Chapter 29 Note 1(a) covers separate chemically defined organic compounds.
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. The bio-origin does not affect classification, and it falls under tariff item 2917.13.00 as sebacic acid.
Dimethyl Azelate (DMA)
Dimethyl azelate is the dimethyl ester of azelaic acid, a colorless liquid used as a solvent and intermediate in polymer synthesis. Chapter 29 Note 5(A) classifies esters with the parent acid, placing it under tariff item 2917.13.00.
Dioctyl Sebacate (DOS)
Dioctyl sebacate, also known as di(2-ethylhexyl) sebacate, is an ester of sebacic acid used as a plasticizer in PVC for low-temperature flexibility. Under Chapter 29 Note 5(A), it is classified with the parent acid, sebacic acid, in tariff item 2917.13.00.