Modified Aromatic Herbicide Smoke Agent
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3808591000 | 16.5% | CN | US | Official Doc |
| 2935901300 | 10.0% | CN | US | Official Doc |
| 3808931500 | 41.5% | CN | US | Official Doc |
| 2935909500 | 16.5% | CN | US | Official Doc |
| 3809921000 | 41.5% | CN | US | Official Doc |
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π§ͺ Modified Aromatic Herbicide Smoke Agent
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Classification Strategy
π Part I: Product Definition & Classification: Do You Truly Understand "Modified Aromatic Herbicide Smoke Agent"?
Modified Aromatic Herbicide Smoke Agent is a specialized agricultural or industrial chemical formulation. In international trade, its classification hinges on two critical factors:
1. Chemical Structure: The presence of "Modified Aromatic" compounds.
2. Function/State: It is a "Herbicide" (pesticide/agricultural chemical) prepared in a "Smoke Agent" format (likely a smoke pellet, fog, or aerosol formulation).
β οΈ Key Distinction Point:
- If classified under Chapter 29 (Organic Chemicals): The focus is on the specific chemical substance (e.g., Sulfonamides) and its pure or intermediate form, regardless of being a smoke agent.
- If classified under Chapter 38 (Miscellaneous Chemical Products): The focus is on the formulation (pesticides, herbicides, anti-knock compounds, etc.) prepared for use, often mixed with carriers.
- "Smoke Agent" vs. "Herbicide": While the delivery method is smoke, the active function is herbicidal. Customs authorities often prioritize the function (herbicide) over the physical form (smoke) unless the smoke generation itself is the primary purpose (e.g., military smoke screens), which is not the case here.
π¦ Part II: HS Code Classification Details (2026 Latest Tariff Authority Comparison)
The provided data offers five potential HS Codes. Below is the detailed breakdown based on the matching logic and tax implications.
| HS Code | Product Description / Matching Logic | Tax Rate (Total) | Tax Detail Breakdown |
|---|---|---|---|
3808.59.10.00 |
Herbicides (Aromatic/Modified): Direct match. "Herbicide" matches function; "Modified Aromatic" matches material/chemical structure. | 16.5% | Base: 6.5%, Section 301/Additional: 0.0%, Section 122: 10% |
2935.90.13.00 |
Sulfonamides: Matches chemical attribute. "Herbicide" falls under Sulfonamide functional category; "Modified" is a form adjustment. No material/function conflict. | 10.0% | Base: 0.0%, Section 301/Additional: 0.0%, Section 122: 10% |
3808.93.15.00 |
Herbicides (Aromatic/Modified Mixture): Direct match. "Modified Aromatic Herbicide" aligns perfectly with "Contains Aromatic or Modified Aromatic Herbicides". | 41.5% | Base: 6.5%, Section 301/Additional: 25.0%, Section 122: 10% |
2935.90.95.00 |
Sulfonamides (Other): Matches chemical essence. Organic chemical within Sulfonamides. Uses "Other/n.e.s." (Not Elsewhere Specified) catch-all due to lack of specific structure. | 16.5% | Base: 6.5%, Section 301/Additional: 0.0%, Section 122: 10% |
3809.92.10.00 |
Agents with Aromatic Components: Matches "Aromatic" component. Mixture form falls under chemical preparations. | 41.5% | Base: 6.5%, Section 301/Additional: 25.0%, Section 122: 10% |
π Key Insight:
- The biggest risk is misclassification between Chapter 29 (Pure Chemicals) and Chapter 38 (Prepared Formulations).
- Chapter 38 codes generally attract higher tariffs due to "Additional Duties" (likely Section 301 tariffs of 25% applied to Chinese origin goods).
- Chapter 29 codes may offer lower base duties but require proof of chemical purity/specific structure (Sulfonamides).
π° Part III: 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Country of Origin: China (CN) (Inferred from Section 122 and 301 tariff structures)
β Effective Time: Current regulations (as of 2026)
π― 1. 3808.59.10.00 ββ Herbicides (Modified Aromatic)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% (ad valorem) |
| Section 301 Additional Duty | 0.0% (Not applicable for this specific subheading) |
| Section 122 Duty | +10% (Targeted agricultural/chemical import) |
| Total Duty Rate | 16.5% |
| Tax Calculation | CIF Value Γ 16.5% |
| De Minimis Exemption | β Not Eligible (High-value chemical shipments usually exceed de minimis thresholds) |
| Legal Basis Path | HTSUS:3808.59.10 β Section 122: 10% |
π Explanation:
- This classification assumes the product is a prepared formulation (Chapter 38) but qualifies for a lower additional duty rate than other aromatic herbicides.
- Total 16.5% is moderate. It avoids the steep 25% Section 301 tariff often seen in Chapter 38.
π― 2. 2935.90.13.00 ββ Sulfonamides (Herbicidal Chemical)
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% (Free entry for certain organic chemicals) |
| Section 301 Additional Duty | 0.0% (Exempt from Section 301) |
| Section 122 Duty | +10% |
| Total Duty Rate | 10.0% |
| Tax Calculation | CIF Value Γ 10.0% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:2935.90.13 β Section 122: 10% |
π Explanation:
- This is the most cost-effective option if the active ingredient can be legally defined as a Sulfonamide.
- Requires proof that the "Modified Aromatic Herbicide" is chemically a Sulfonamide.
- Total 10% is the lowest burden.
π― 3. 3808.93.15.00 ββ Herbicides (Aromatic/Modified Mixture)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% |
| Section 301 Additional Duty | +25.0% (Standard Section 301 rate for many chemical preparations from China) |
| Section 122 Duty | +10% |
| Total Duty Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3808.93.15 β Section 301: 25% β Section 122: 10% |
π Warning:
- This is a high-risk, high-cost classification.
- The 25% Section 301 tariff significantly increases landed cost.
- Only apply if the product cannot be classified under Chapter 29 or the lower-tariff 3808.59.10.00.
π― 4. 2935.90.95.00 ββ Sulfonamides (Other)
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% |
| Section 301 Additional Duty | 0.0% |
| Section 122 Duty | +10% |
| Total Duty Rate | 16.5% |
| Tax Calculation | CIF Value Γ 16.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:2935.90.95 β Section 122: 10% |
π Explanation:
- Use this if the specific sulfonamide structure is not listed in2935.90.13.00.
- Same total rate as3808.59.10.00but under Chapter 29.
π― 5. 3809.92.10.00 ββ Agents with Aromatic Components
| Item | Content |
|---|---|
| Base Duty Rate | 6.5% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Duty | +10% |
| Total Duty Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3809.92.10 β Section 301: 25% β Section 122: 10% |
π Explanation:
- Similar high tariff to3808.93.15.00.
- Likely applies if the product is viewed more as a general chemical agent with aromatic properties rather than a specific herbicide formulation.
π οΈ Part IV: Customs Clearance Practical Advice (Battle-Tested Guide)
β 1. Documentation Checklist (Non-Negotiable)
| Document | Required | Notes |
|---|---|---|
| β Certificate of Analysis (CoA) | βοΈ | Must specify chemical structure (e.g., Sulfonamide content) and purity. Critical for Chapter 29 classification. |
| β Product Specification Sheet | βοΈ | Detail the "Modified Aromatic" nature. Is it a blend? What is the active ingredient? |
| β MSDS (Material Safety Data Sheet) | βοΈ | Required for all chemical imports. Shows hazmat status. |
| β EPA Registration Certificate | βοΈ | Crucial for Herbicides. The EPA must have registered the product. Failure to provide = seizure. |
| β Commercial Invoice | βοΈ | Clearly state: "Modified Aromatic Herbicide, Smoke Agent Formulation". Do not just write "Chemical". |
| β Statement of Composition | βοΈ | Breakdown of active ingredients vs. inert carriers. |
β 2. Classification Strategy (Key Tips)
π₯ "Chemical Structure vs. Formulation: Choose Wisely!"
| Scenario | Recommended HS Code | Risk Level |
|---|---|---|
| Active Ingredient is Proven Sulfonamide | 2935.90.13.00 |
π’ Low Risk, Low Tax (10%) |
| Herbicide Formulation, Aromatic, No 301 Duty | 3808.59.10.00 |
π‘ Medium Risk, Medium Tax (16.5%) |
| Generic Herbicide Mixture | 3808.93.15.00 |
π΄ High Risk, High Tax (41.5%) |
| Unknown/Unregistered Chemical | Do Not Import | β Seizure Risk |
π Critical Tip:
- If you can prove the active herbicide is a Sulfonamide, classify under Chapter 29. This avoids the 25% Section 301 tariff applied to many Chapter 38 preparations.
- "Smoke Agent" is a physical form. Ensure the invoice emphasizes the herbicidal function, not just the smoke generation, to avoid misclassification under general chemical articles.
β 3. Special Circumstances
| Situation | Handling Advice |
|---|---|
| Unregistered with EPA | DO NOT SHIP. CBP will hold the shipment for FDA/EPA review. Result: Return or Destroy. |
| "Modified" Chemical | Provide a chemical diagram showing how the modification changes the structure (if applicable) or keeps it within the Sulfonamide class. |
| Small Sample Shipments | Even small shipments require EPA registration documentation. De minimis exemptions do not apply to regulated chemicals. |
| Mixed Containers | If mixed with non-regulated goods, ensure herbicide is clearly separated and documented. Mixed shipments may trigger full container inspection. |
π Part V: Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Approx. Duty | Key Requirement |
|---|---|---|---|
| πΊπΈ USA | 2935.90.13.00 or 3808.59.10.00 |
10% - 16.5% | EPA Registration, FDA/USDA compliance |
| π¨π³ China | 3808.99.90 or 2935.90.00 |
Varies (5-13%) | Min. Admin License for Pesticides |
| πͺπΊ EU | 3808.93 or 2935.00 |
6.5% + VAT | REACH Registration, CLP Labeling |
| π―π΅ Japan | 3808.99 or 2935.00 |
5-10% | Fertilizer & Pesticide Control Law |
π Conclusion:
- The USA is the most complex due to Section 301/122 tariffs and strict EPA enforcement.
- EPA Registration is the #1 bottleneck for herbicide imports into the US.
- Classifying under Chapter 29 (Sulfonamides) offers significant tariff savings over Chapter 38 formulations.
π Part VI: Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Classifying as "General Chemical" under 3824
π Consequence: Customs will reclassify to 3808 or 2935 based on function, leading to back taxes + penalties.
β Mistake 2: Omitting EPA Registration Number on Invoice
π Consequence: Shipment held indefinitely at CBP port. Storage fees accrue daily.
β Mistake 3: Claiming "Smoke Agent" as a non-pesticide item
π Consequence: Misdeclaration of function. If it kills plants, itβs a pesticide. Fraud risk.
β Mistake 4: Using Chapter 38 codes when Chapter 29 applies
π Consequence: Paying 41.5% tax instead of 10% tax. Unnecessary cost increase of 31.5%.
β Correct Approach:
"Modified Aromatic Herbicide (Sulfonamide Class), Smoke Pellet Formulation, EPA Reg. No. [XXXX-XXXX], For Agricultural Use Only"
π― Part VII: Conclusion: Professional Classification Saves Money!
π― Remember the Golden Rule:
πΉ "Structure Determines Chapter: Sulfonamides = Ch.29 (Low Tax). Formulation = Ch.38 (High Tax)."
πΉ "EPA Number is Mandatory: No Reg No., No Entry."
πΉ "Section 122 is Inevitable for Chemicals: Budget +10%."
π Pro Tip:
If your herbicide's active ingredient is a Sulfonamide, insist on HS Code
2935.90.13.00. This reduces your duty from 41.5% to 10%.
Prepare a Chemical Structure Analysis Report from your R&D team to support this classification.
π£ Immediate Action Required:
π Contact CBP for Advance Ruling if unsure about Chapter 29 vs. 38.
β Verify EPA Registration before shipping.
π Optimize your supply chain cost by 30%+ through correct HS classification.
β¨ Precision in Classification, Profit in Clearance!
πΌ Every Dollar Saved in Duty is Pure Profit!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.