Crotonic Acid
Crotonic acid is a 4-carbon unsaturated acyclic monocarboxylic acid (2-butenoic acid) with a trans double bond, used in resins, plastics, and chemical synthesis. It classifies under tariff item 2916.19.00 as an 'other' unsaturated acyclic monocarboxylic acid. The product is a chemically defined compound meeting Chapter 29 criteria.
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 product is specifically crotonic acid as named in the subheading
Crotonic acid is explicitly named in subheading 2916.14, which takes precedence over 'other'.
If the product is methacrylic acid
Methacrylic acid is named in a different 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
• Ensure the product is pure crotonic acid with a certificate of analysis confirming the trans configuration
• If the product is used in polymer production, verify whether it is imported as a monomer or as part of a polymer, as classification may differ
• Provide the CAS number and molecular formula in customs documentation
Related Products under Tariff item 2916.19.00
10-Undecenoic Acid
10-Undecenoic acid, also known as undecylenic acid, is an 11-carbon unsaturated acyclic monocarboxylic acid with antifungal properties. It is a chemically defined compound and falls under tariff item 2916.19.00 as an 'Other' unsaturated acyclic monocarboxylic acid.
Alpha-Eleostearic Acid
Alpha-eleostearic acid is a conjugated tri-unsaturated acyclic monocarboxylic acid derived from tung oil. It is a chemically defined compound used in drying oils and coatings, and falls under tariff item 2916.19.00 as an 'Other' unsaturated acyclic monocarboxylic acid.
Anti-Caking Sorbic Acid (Food Processing)
Sorbic acid (hexa-2,4-dienoic acid) treated with food-approved anti-caking agents to maintain free-flowing properties in food processing equipment. The added anti-caking agent is permitted under Chapter 29 Note 1(f) as a stabiliser necessary for preservation, and the product retains its classification as a chemically defined unsaturated acyclic monocarboxylic acid under tariff item 2916.19.00.
Bulk Potassium Sorbate for Wine Making
Bulk potassium sorbate for winemaking, a chemically defined potassium salt of sorbic acid (an unsaturated acyclic monocarboxylic acid). It is used to stabilize wine by preventing yeast refermentation, and falls under tariff item 2916.19.00 as an 'Other' unsaturated acyclic monocarboxylic acid derivative.
Cetoleic Acid
Cetoleic acid is a C22:1 unsaturated acyclic monocarboxylic acid found in marine oils. It is a chemically defined compound used in industrial applications such as polymers, and falls under tariff item 2916.19.00 as an 'Other' unsaturated acyclic monocarboxylic acid.
Dust-Free Sorbic Acid Beads
Sorbic acid in bead form treated with anti-dusting agents to reduce airborne dust during handling in food processing plants. The anti-dusting treatment is authorized under Chapter 29 Note 1(g) for safety reasons, and the product remains a chemically defined unsaturated acyclic monocarboxylic acid under tariff item 2916.19.00.