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.
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 subheadings under HTS 2918
Direct children of HTS heading 2918. Drill in to see actual column rates.
- 2918.11Lactic acid, its salts and esters:
- 2918.12.00.00Tartaric acid
- 2918.13Salts and esters of tartaric acid:
- 2918.14.00.00Citric acid
- 2918.15Salts and esters of citric acid:
- 2918.16Gluconic acid, its salts and esters:
- 2918.17.00.012,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)
- 2918.18.00.00Chlorobenzilate (ISO)
- 2918.19Other:
- 2918.21Salicylic acid and its salts:
- 2918.22O-Acetylsalicylic acid, its salts and esters:
- 2918.23Other esters of salicylic acid and their salts:
- 2918.29Other:
- 2918.30Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
§ FAQFrequently asked questions
- What is the US import duty for HTS 2918?
- HTS 2918 (Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives:) 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 2918?
- 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 2918 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 2918?
- 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.