HS code 2925.21: Imines and their derivatives; salts thereof, chlordimeform (ISO)
Last updated
Key facts
- HS code
- 2925.21
- Covers
- Imines and their derivatives; salts thereof, chlordimeform (ISO)
- Chapter
- 29: Organic chemicals
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 2925.21 covers imines and their derivatives; salts thereof, chlordimeform (ISO). It sits in heading 29.25 (carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds) in chapter 29 (organic chemicals). Other goods of heading 29.25 are classified under 2925.11 (imides and their derivatives; salts thereof, saccharin and its salts), 2925.12 (imides and their derivatives; salts thereof, glutethimide (INN)), 2925.19 (imides and their derivatives; salts thereof, other) and 2925.29 (imines and their derivatives; salts thereof, other). National tariff lines under 2925.21 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 2925.21 covers imines and their derivatives; salts thereof, chlordimeform (ISO).
The legal text of the subheading is “Imines and their derivatives; salts thereof: Chlordimeform (ISO)”, read under “Imines and their derivatives; salts thereof”, in HS2022.
What it doesn’t cover
Other goods of heading 29.25 are classified under 2925.11 (imides and their derivatives; salts thereof, saccharin and its salts), 2925.12 (imides and their derivatives; salts thereof, glutethimide (INN)), 2925.19 (imides and their derivatives; salts thereof, other) and 2925.29 (imines and their derivatives; salts thereof, other).
How it is structured
2925.21 is a six-digit subheading. Its first two digits, 29, are the chapter; the first four, 2925, are heading 29.25; the last two, 21, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 29
- Organic chemicals
- Heading 29.25
- Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds
- Within the heading
- Imines and their derivatives; salts thereof
- Subheading 2925.21
- Chlordimeform (ISO)
In other countries
National tariff lines under 2925.21 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 2925.21 cover?
HS code 2925.21 covers imines and their derivatives; salts thereof, chlordimeform (ISO).
Which heading and chapter is HS code 2925.21 in?
HS code 2925.21 is in heading 29.25 (carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds) in chapter 29 (organic chemicals).
Where are goods of heading 29.25 classified when 2925.21 doesn’t fit?
Other goods of heading 29.25 are classified under 2925.11 (imides and their derivatives; salts thereof, saccharin and its salts), 2925.12 (imides and their derivatives; salts thereof, glutethimide (INN)), 2925.19 (imides and their derivatives; salts thereof, other) and 2925.29 (imines and their derivatives; salts thereof, other).
Which countries’ tariffs list national lines under HS code 2925.21?
National tariff lines under 2925.21 are live on border.bot for the United States (1 line, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.