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HS Heading 2925 : Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds

HEADING DEFINITION & DISAMBIGUATION

HS Heading 2925 encompasses carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds. It classifies 5 6-digit WCO subheadings within Chapter 29 under the Harmonized System [USITC HTS 2026].

Chapter

Ch 29

Heading

2925

Subheadings

5 HS6

Status

Verified 2026

Subheadings Under Heading 2925

HS Code	WCO 6-Digit Subheading Description	Chapter	Operational Package
2925.11	Imides and their derivatives; salts thereof, Saccharin and its salts	29	View 2925.11 Package →
2925.12	Imides and their derivatives; salts thereof, Glutethimide (INN)	29	View 2925.12 Package →
2925.19	Imides and their derivatives; salts thereof, Other	29	View 2925.19 Package →
2925.21	Imines and their derivatives; salts thereof, Chlordimeform (ISO)	29	View 2925.21 Package →
2925.29	Imines and their derivatives; salts thereof, Other	29	View 2925.29 Package →

DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 2925

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 2925 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 2925 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 2925 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 2925?

HS Heading 2925 covers Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, grouping 5 6-digit WCO subheadings.

How are 6-digit subheadings structured under Heading 2925?

Subheadings under Heading 2925 range from 2925.11 to 2925.90, classifying goods by processing state, origin, or material composition.

What is the representative US import duty rate for Heading 2925?

US MFN general duty rates for Heading 2925 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 2925?

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 2925?

Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.

How do I distinguish between subheadings under Heading 2925?

Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.

Can goods under Heading 2925 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 2925?

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 2925?

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 2925?

Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.