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§ HTS 2924.21.18.00 · US import duty

sym-Diethyldiphenylurea

§ TODAY'S ANSWER
From China: 6.5% · $650.00 on a $10K shipment
From China this code is taxed at the MFN base rate only — no Chapter 99 overlay applies today.
See full breakdown ↓ Compare other origins ↓
Chapter
29
MFN base rate
6.5%
Active overlays
0
Scope
MFN base only

AD/CVD not evaluated. CBP determines binding classification at entry. Methodology →

Carboxyamide-function compounds; amide-function compounds of carbonic acid: · Ureines and their derivatives; salts thereof: · sym-Diethyldiphenylurea
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HTS CODE
2924.21.18.00
General (MFN)6.5%
SpecialFree (A,AU,BH,…
Other (Column 2)15.4¢/kg + 58%
§99 overlays0

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)6.5%
SpecialFree (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Other (Column 2)15.4¢/kg + 58%
Unitskg

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD watch signals are surfaced, but cash deposit rates and product-specific exclusions still require separate review.

Chapter 99 overlaysChapter 99 overlays

No Chapter 99 overlays are currently linked to this HS code.

§ DUTY BREAKDOWNDuty breakdown

Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.

China (CN)
Total 6.5% · $650.00
Duty breakdown Rate Amount Source
Base dutyBase 6.5% $650.00 HTS General rate
Status: exact Methodology: tariff-ledger-v1 Data: d4c9e6f79bac8e84

§ CLASSIFICATION WATCH-OUTSClassification watch-outs

These sibling HTS entries share the same parent but differ in duty rate or Chapter 99 coverage. They are review prompts, not classification recommendations.

  • 2924.21.04.00
    3-(p-Chlorophenyl)-1,1-dimethylurea (Monuron)
    Base rate: 6.5% Chapter 99: 1 Chapter 99 coverage differs
  • 2924.21.08.00
    1,1-Dimethyl-3-(α,α,α-trifluoro-m- tolyl)urea (Fluometuron)
    Base rate: Free Chapter 99: 1 Base rate differs from selected HTSChapter 99 coverage differs
  • 2924.21.12.00
    1-(2-Methylcyclohexyl)-3-phenylurea
    Base rate: Free Chapter 99: 1 Base rate differs from selected HTSChapter 99 coverage differs
  • 2924.21.16.00
    Other
    Base rate: 6.5% Chapter 99: 1 Chapter 99 coverage differs
  • 2924.21.50.00
    Other
    Base rate: 6.5% Chapter 99: 1 Chapter 99 coverage differs

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin Base rate Chapter 99 Total rate Duty (USD)
China (CN) 6.5% 0% 6.5% $650.00
Vietnam (VN) 6.5% 0% 6.5% $650.00
Mexico (MX) 6.5% 0% 6.5% $650.00
India (IN) 6.5% 0% 6.5% $650.00
South Korea (KR) 6.5% 0% 6.5% $650.00

§ RELATED ENTRIESRelated HS codes in the same chapter

Adjacent lines under the same HTS chapter. Pick the most specific match for your product.

§ RECENT CHANGESRecent US tariff policy notices

The 3 most recent Federal Register tariff notices in the Duty database. See the Changes timeline for the full list.

See all Federal Register actions →

Maintained by last verified 2026-04-27T08:19:58Z