10-Undecenoic Acid
10-Undecenoic acid (CH2=CH(CH2)8COOH), also called undecylenic acid, is a terminal alkene unsaturated monocarboxylic acid from pyrolysis of castor oil. HTS 2916.19.50.00 as other unsaturated acyclic acid. Antifungal and polymer applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.7% | +25.0% | 28.7% |
| 🇲🇽Mexico | 3.7% | — | 3.7% |
| 🇨🇦Canada | 3.7% | — | 3.7% |
| 🇩🇪Germany | 3.7% | — | 3.7% |
| 🇯🇵Japan | 3.7% | — | 3.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If castor oil processing by-product mixture
Requires 95%+ purity for Chapter 29; otherwise Chapter 15.
If corresponding undecene hydrocarbon
Removal of carboxylic function changes from 2916 acids to 2901 hydrocarbons.
If cyclic derivative formed
Cyclization creates heterocyclic compound excluded from 2916 per note 6.
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Import Tips & Compliance
• Specify pyrolysis origin and distillation specs (CAS 112-38-9)
• Anti-dusting agent declaration if present per Chapter 29 note (g)
• Refractive index 1.447-1.450 confirmation for identity
Related Products under HTS 2916.19.50.00
Methacrylic Acid
Methacrylic acid is an unsaturated acyclic monocarboxylic acid with the formula CH2=C(CH3)COOH, featuring a carbon-carbon double bond. It falls under HTS 2916.19.50.00 as an 'other' unsaturated acyclic monocarboxylic acid not specifically enumerated elsewhere in the subheading. Commonly used in the production of acrylic polymers and resins.
Crotonic Acid
Crotonic acid (2-butenoic acid, CH3CH=CHCOOH) is an unsaturated acyclic monocarboxylic acid with a trans double bond. Classified under HTS 2916.19.50.00 as 'other' unsaturated acyclic acids. Used in resins, plastics, and pharmaceuticals.
Sorbic Acid
Sorbic acid (2,4-hexadienoic acid, CH3CH=CH-CH=CHCOOH) is a polyunsaturated acyclic monocarboxylic acid used as a food preservative. Falls under HTS 2916.19.50.00 as 'other' unsaturated acyclic monocarboxylic acid. Its conjugated double bonds characterize its antimicrobial properties.
Oleic Acid
Oleic acid (cis-9-octadecenoic acid) is a long-chain unsaturated acyclic monocarboxylic acid with one double bond, derived from vegetable oils. Classified in HTS 2916.19.50.00 as 'other' unsaturated acyclic acid. Widely used in cosmetics, soaps, and lubricants.
Undecylenic Acid
Undecylenic acid (10-undecenoic acid, CH2=CH(CH2)8COOH) is an unsaturated acyclic monocarboxylic acid with terminal double bond, produced from castor oil. HTS 2916.19.50.00 classification as 'other' unsaturated acid. Used in antifungal treatments and polymers.
Myristoleic Acid
Myristoleic acid (cis-9-tetradecenoic acid) is a C14:1 unsaturated acyclic monocarboxylic fatty acid found in fish oils. Classified under HTS 2916.19.50.00 as other unsaturated acyclic monocarboxylic acid. Used in biochemical research and cosmetics.