Heading 2925

HTS code 2925 — Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds

Chapter
29 — Organic chemicals
Tariff lines
14
General duty
General duty rates from 3.7% to 6.5%, with 5 duty-free lines

Tariff lines under heading 2925

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
2925.11.0000Saccharin and its salts (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof)6.5%kg
2925.12.0000Glutethimide (INN) (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof)Freekg
2925.19.1000Ethylenebistetrabromophthalimide (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof > Other > Aromatic)6.5%kg
2925.19.3000Bis(o-tolyl)carbodiimide; and 2,2',6,6'-Tetra isopropyl diphenyl carbodiimide (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof > Other > Aromatic)Freekg
2925.19.4200Other (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof > Other > Aromatic)6.5%kg
2925.19.7000N-Chlorosuccinimide; andN,N'-Ethylene bis (5,6-dibromo-2,3- norbornane dicarboximide) (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof > Other > Other)Freekg
2925.19.9100Other (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imides and their derivatives; salts thereof > Other > Other)3.7%kg
2925.21.0000Chlordimeform (ISO) (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof)6.5%kg
2925.29.1000N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Aromatic)6.5%kg
2925.29.1800N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Aromatic)Freekg
2925.29.2000Drugs (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Aromatic > Other)6.5%kg
2925.29.6000Other (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Aromatic > Other)6.5%kg
2925.29.7000Tetramethylguanidine (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Other)Freekg
2925.29.9000Other (Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds > Imines and their derivatives; salts thereof > Other > Other)3.7%kg

Documents required to import under 2925

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

  • Safety Data Sheet (SDS/MSDS)Required
  • EPA TSCA CertificationConditional

    Required for chemical substances regulated under TSCA

  • EPA Notice of Arrival (Form 3540-1)Conditional

    Required for pesticides and devices (typically Ch. 38)

Common questions

What is HTS code 2925?
HTS heading 2925 covers carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds. It sits in Chapter 29 (organic chemicals) of the US Harmonized Tariff Schedule and contains 14 tariff lines.
What is the duty rate for HTS 2925?
General duty rates from 3.7% to 6.5%, with 5 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 2925 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 29