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) | Free |
|---|---|
| Special | — |
| Other (Column 2) | — |
Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.
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.
| Duty breakdown | Rate | Amount | Source |
|---|---|---|---|
| Base dutyBase | 0% | $0.00 | HTS General rate |
§ 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.
-
Phenazone (Antipyrine) and its derivatives
-
Hydantoin and its derivatives
-
Pyridine and its salts
-
Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN), remifentanil (INN) and trimeperidine (INN); salts thereof
-
Other fentanyls and their derivatives
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) | 0% | 0% | 0% | $0.00 |
| Vietnam (VN) | 0% | 0% | 0% | $0.00 |
| Mexico (MX) | 0% | 0% | 0% | $0.00 |
| India (IN) | 0% | 0% | 0% | $0.00 |
| South Korea (KR) | 0% | 0% | 0% | $0.00 |
§ RELATED ENTRIESAll tariff lines under HTS 2933.52
All 8-digit tariff lines and deeper statistical suffixes under subheading 2933.52.
§ FAQFrequently asked questions
- What is the US import duty for HTS 2933.52?
- HTS 2933.52 (Malonylurea (Barbituric acid) and its salts:) has a general (MFN) column rate of Free/—. No Chapter 99 overlays are currently linked to this line. Final duty is determined by CBP at entry.
- Does Section 301 or IEEPA tariff apply to HTS 2933.52?
- No Chapter 99 overlay is linked to this line in our current snapshot. That means no Section 301, IEEPA, or reciprocal additional duty is mechanically attached. Always double-check against the latest Federal Register for proclamations that may not yet be reflected in the HTS export.
- Could HTS 2933.52 be subject to antidumping / countervailing duty (AD/CVD) orders?
- Organic chemicals (Chapter 29) see a high volume of AD/CVD orders on specific products and countries. Duty does not evaluate AD/CVD automatically — check the DOC AD/CVD dashboard and CBP messages for your specific product + origin before quoting a landed cost.
- How do I compare duty from different countries for HTS 2933.52?
- Use the origin compare view to evaluate this HS code against alternative countries. The calculator applies each country-specific Chapter 99 overlay and the appropriate column rate.
- Is this the binding duty determination?
- No. This page is a reference built on USITC + Federal Register open data. The binding classification and duty amount is determined by CBP at entry. AD/CVD and product-specific exclusions require separate review.