HS Heading 2939 : Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
HEADING DEFINITION & DISAMBIGUATION
HS Heading 2939 encompasses alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. It classifies 19 6-digit WCO subheadings within Chapter 29 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 2939
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 2939.11 | Alkaloids of opium and their derivatives; salts thereof, Concentrates of poppy straw; buprenorphine (INN); codeine, dihydrocodeine (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine (INN), oxycodone (INN), oxymorphone (INN), pholcodine (INN), thebacon (INN) and thebaine; salts thereof | 29 | View 2939.11 Package → |
| 2939.19 | Alkaloids of opium and their derivatives; salts thereof, Other | 29 | View 2939.19 Package → |
| 2939.20 | Alkaloids of cinchona and their derivatives; salts thereof | 29 | View 2939.20 Package → |
| 2939.30 | Caffeine and its salts | 29 | View 2939.30 Package → |
| 2939.41 | Alkaloids of ephedra and their derivatives; salts thereof, Ephedrine and its salts | 29 | View 2939.41 Package → |
| 2939.42 | Alkaloids of ephedra and their derivatives; salts thereof, Pseudoephedrine (INN) and its salts | 29 | View 2939.42 Package → |
| 2939.43 | Alkaloids of ephedra and their derivatives; salts thereof, Cathine (INN) and its salts | 29 | View 2939.43 Package → |
| 2939.44 | Alkaloids of ephedra and their derivatives; salts thereof, Norephedrine and its salts | 29 | View 2939.44 Package → |
| 2939.45 | Alkaloids of ephedra and their derivatives; salts thereof, Levometamfetamine, metamfetamine (INN), metamfetamine racemate and their salts | 29 | View 2939.45 Package → |
| 2939.49 | Alkaloids of ephedra and their derivatives; salts thereof, Other | 29 | View 2939.49 Package → |
| 2939.51 | Theophylline and aminophylline (theophylline- ethylenediamine) and their derivatives; salts thereof, Fenetylline (INN) and its salts | 29 | View 2939.51 Package → |
| 2939.59 | Theophylline and aminophylline (theophylline- ethylenediamine) and their derivatives; salts thereof, Other | 29 | View 2939.59 Package → |
| 2939.61 | Alkaloids of rye ergot and their derivatives; salts thereof, Ergometrine and its salts | 29 | View 2939.61 Package → |
| 2939.62 | Alkaloids of rye ergot and their derivatives; salts thereof, Ergotamine and its salts | 29 | View 2939.62 Package → |
| 2939.63 | Alkaloids of rye ergot and their derivatives; salts thereof, Lysergic acid and its salts | 29 | View 2939.63 Package → |
| 2939.69 | Alkaloids of rye ergot and their derivatives; salts thereof, Other | 29 | View 2939.69 Package → |
| 2939.72 | Other, of vegetal origin, Cocaine, ecgonine; salts, esters and other derivatives thereof | 29 | View 2939.72 Package → |
| 2939.79 | Other, of vegetal origin, Other | 29 | View 2939.79 Package → |
| 2939.80 | Other | 29 | View 2939.80 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 2939
Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.
Official Primary Sources & Authority References
USITC HTS Heading 2939 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 2939 precedent rulings.
WCO Nomenclature ↗
World Customs Organization Harmonized System 2022 nomenclature standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.
Heading 2939 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 2939?
HS Heading 2939 covers Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives, grouping 19 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 2939?
Subheadings under Heading 2939 range from 2939.11 to 2939.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 2939?
US MFN general duty rates for Heading 2939 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 2939?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 2939?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 2939?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 2939 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 2939?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 2939?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 2939?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.