Inorganic Agricultural Efficiency Enhancer
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2836995050 | 10.0% | CN | US | Official Doc |
| 2836993000 | 36.7% | CN | US | Official Doc |
| 3105590000 | 35.0% | CN | US | Official Doc |
| 3105900050 | 35.0% | CN | US | Official Doc |
| 3824993990 | 35.0% | CN | US | Official Doc |
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AI Analysis
π Inorganic Agricultural Efficiency Enhancer
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professionalιε
³ Strategy
π I. Product Definition & Classification: What exactly is an "Inorganic Agricultural Efficiency Enhancer"?
This term is a functional description, not a standard legal commodity name in the Harmonized System (HS). In trade, "efficiency enhancers" for agriculture typically refer to: 1. Chemical Fertilizers: Providing essential nutrients (N, P, K) to boost crop growth. 2. Soil Conditioners/Inorganic Salts: Altering soil pH or structure (e.g., Carbonates, Silicates). 3. Chemical Mixtures: Complex inorganic compounds used in specialized agricultural treatments.
β οΈ Critical Distinction:
- If the product's primary function is providing nutrients (N, P, K) β It is a Fertilizer (Chapter 31).
- If the product is a pure chemical salt (e.g., Ammonium Carbonate) used for preservation or specific chemical reactions β It is an Inorganic Chemical (Chapter 28).
- If it is a mixture of various inorganic compounds without a specific fertilizer focus β It may fall under Miscellaneous Chemical Products (Chapter 38).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the potential classifications based on chemical composition and function.
| HS Code | Product Description | Key Characteristics | Primary Function |
|---|---|---|---|
2836.99.50.50 |
Other Carbonates (Inorganic Chemicals) | Pure inorganic carbonate salts. | Chemical intermediate, not primarily for nutrition. |
2836.99.30.00 |
Other Carbonates (Inorganic Chemicals) | Inorganic salts, e.g., Ammonium Carbonate. | Often used in preservation/industrial processes; not a primary fertilizer. |
3105.59.00.00 |
Other Fertilizers (Containing N & P) | Contains Nitrogen (N) and Phosphorus (P). | Primary: Nutrient supply for crops. |
3105.90.00.50 |
Other Fertilizers (Mineral/Chemical) | Contains various mineral/chemical elements. | Primary: General nutrient supply. |
3824.99.39.90 |
Other Chemical Products (Mixtures) | Mixture of 2+ inorganic compounds. | SpecializedεΆε or non-standard chemical blend. |
π Key Insight:
- Fertilizers (3105.xx) generally have lower base tariffs but high surcharges.
- Pure Chemicals (2836.xx) have very low base tariffs but vary on surcharges.
- Mixtures (3824.xx) are often "catch-all" categories for complex preparations.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Post-2025/2026 Tariff Regime (Based on provided data)
π― 1. 2836.99.50.50 β Other Carbonates (Inorganic Chemical)
| Item | Detail |
|---|---|
| Base Tariff | 0% (Implied from "0.0%" in tax detail context, though typically low) |
| Section 301 Surcharge | 0.0% (As per provided data: "ε εΎε ³η¨: 0.0%") |
| Section 122 Tariff | +10% |
| Total Tariff | 10.0% |
| Tax Logic | Pure chemical salts often benefit from lower trade barriers unless specifically targeted. |
| Legal Basis | Chapter 28 (Inorganic Chemicals) |
π Explanation:
- This classification applies if the product is a pure inorganic carbonate (e.g., Sodium Carbonate, Potassium Carbonate) and not primarily for fertilization.
- Lowest Total Tax among the options.
- β οΈ Risk: If the product is labeled as "Agricultural" and contains Nitrogen, Customs may reclassify it as a Fertilizer.
π― 2. 2836.99.30.00 β Other Carbonates (e.g., Ammonium Carbonate)
| Item | Detail |
|---|---|
| Base Tariff | 1.7% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10% |
| Total Tariff | 36.7% |
| Tax Logic | Specific carbonate types (like Ammonium Carbonate) are subject to high Section 301 tariffs. |
| Legal Basis | Chapter 28 (Inorganic Chemicals) |
π Explanation:
- Ammonium Carbonate can be used in fertilizers, but if classified here, itβs treated as a chemical intermediate.
- High Tax Cost. Avoid if possible unless the product is strictly non-fertilizer grade.
π― 3. 3105.59.00.00 β Fertilizers Containing N & P
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10% |
| Total Tariff | 35.0% |
| Tax Logic | N-P fertilizers are strategic commodities; heavy surcharges apply. |
| Legal Basis | Chapter 31 (Fertilizers) |
π Explanation:
- If your "Efficiency Enhancer" contains Nitrogen and Phosphorus, this is the most legally accurate classification.
- Tax Note: 35% is lower than2836.99.30(36.7%) but higher than2836.99.50(10%).
π― 4. 3105.90.00.50 β Other Fertilizers (Mineral/Chemical)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10% |
| Total Tariff | 35.0% |
| Tax Logic | Covers other mineral/chemical fertilizers not specified elsewhere (e.g., K-only or NPK blends). |
| Legal Basis | Chapter 31 (Fertilizers) |
π Explanation:
- Use if the product is a fertilizer but does not fit the specific N-P category of3105.59.
- Same tax burden as3105.59.
π― 5. 3824.99.39.90 β Other Chemical Products (Mixture)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10% |
| Total Tariff | 35.0% |
| Tax Logic | For mixtures of inorganic compounds that donβt fit Chapter 28 or 31 strictly. |
| Legal Basis | Chapter 38 (Miscellaneous Chemical Products) |
π Explanation:
- Use only if the product is a complex mixture of inorganic compounds and not primarily a fertilizer.
- β οΈ Risk: Customs may argue itβs a fertilizer if agricultural use is evident.
π οΈ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
β 1. Documentation Checklist (Must-Haves)
| Document | Requirement | Note |
|---|---|---|
| Product Specification Sheet | βοΈ | Must clearly state Chemical Composition (%, formula) and Intended Use. |
| MSDS (Safety Data Sheet) | βοΈ | Critical for inorganic chemicals. Must list all ingredients. |
| Commercial Invoice | βοΈ | Description should be precise (e.g., "Sodium Carbonate, ACS Grade") vs. vague ("Agri Enhancer"). |
| Certificate of Analysis (COA) | βοΈ | To prove chemical purity and composition. |
| Statement of Non-Use | βοΈ | If claiming 2836.xx (Chemical), provide a letter stating it is NOT for fertilization. |
β 2. Declaration Strategy (Key Mantra)
π₯ "Chemistry First, Function Second. Name Matters, Tariff Varies."
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Pure Carbonate Salt (No N/P) | 2836.99.50.50 - "Sodium Carbonate" |
"Agricultural Fertilizer" β Will be reclassified to Chapter 31. |
| N-P Containing Product | 3105.59.00.00 - "N-P Fertilizer" |
"Chemical Mixture" β High risk of penalty. |
| Mixture of Salts | 3824.99.39.90 - "Inorganic Chemical Mixture" |
"Fertilizer" β If no N/P/K, this is correct. |
β 3. Special Handling
| Situation | Recommendation |
|---|---|
| "Efficiency Enhancer" Label | β Avoid on commercial invoices if possible. Use chemical name (e.g., "Potassium Silicate Solution"). |
| Agricultural Use Evidence | If photos/brochures show crops, Customs will assume Fertilizer (Ch 31). Ensure marketing materials match HS Code intent. |
| Hydroponic Solutions | Often classified as Fertilizers (Ch 31). Ensure N/P/K content is declared. |
| Soil pH Adjusters (Carbonates) | Can be classified as Chemicals (Ch 28) IF they do not provide significant nutrients. Provide a technical note explaining "pH adjustment only, no nutritional value." |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3105.59.00.00 (if N/P) |
35.0% | None specific | Section 301 + 122 applies. |
| πΊπΈ USA | 2836.99.50.50 (if pure salt) |
10.0% | None specific | Lowest Tax Option if chemically valid. |
| π¨π³ China | 3105.59.00.00 |
0-5% | N/A | Export-friendly. |
| πͺπΊ EU | 3105.90.90 |
0-6.5% | REACH Registration | Strict chemical regulations. |
| π§π· Brazil | 3105.10.00 |
0-16% | MAPA Approval | Very strict agri-chemical import rules. |
π Conclusion:
- USA is the most complex due to Section 301 and 122 tariffs.
- Strategy: If the product is chemically a pure carbonate with no N/P/K, classify under2836.99.50.50(10% tax). This saves 25% compared to Fertilizer classification.
- Warning: You must prove it lacks significant nutritional value (N/P/K) to justify the lower tax rate.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Calling a pure chemical salt "Agricultural Fertilizer" on the invoice
π Result: Customs reclassifies to Ch 31 β Tax jumps from 10% to 35%.
β
Fix: Use chemical name ("Sodium Bicarbonate") and state "Industrial Use" if applicable.
β Error 2: Missing N/P/K in the composition when declaring under 2836
π Result: Customs suspects fertilizer β Audit, Delay, Penalty.
β
Fix: Ensure COA shows <0.01% N/P/K if claiming Chemical classification.
β Error 3: Ignoring Section 122 Tariff (10%)
π Result: Underpayment by 10% β Back Taxes + Interest.
β
Fix: Always include 122 Tariff in cost calculations for China-origin goods.
β Error 4: Using vague terms like "Plant Nutrient" for a Mixture
π Result: Ambiguity β Customs chooses highest duty or rejects.
β
Fix: Provide exact chemical formula and percentage of each component.
π― VII. Conclusion: Precision in Classification Saves Money!
π― Remember the Mantra:
πΉ "Pure Salt? Go Ch 28 (10% Tax). N/P Present? Go Ch 31 (35% Tax). Mixtures? Go Ch 38 (35% Tax)."
πΉ "Vague Names Lead to High Taxes. Precise Chemistry Leads to Savings."
πΉ "122 Tariff is Always 10% for China. Don't Forget It!"
π Pro Tip:
If you are importing Carbonate-based soil conditioners (not fertilizers), push for
2836.99.50.50. Provide a Technical Data Sheet from a lab proving low nitrogen/phosphorus content. This can save you 25% in tariffs!
π£ Immediate Action:
π Consult a Customs Broker before shipping.
π Prepare a Chemical Analysis Report to support your HS Code choice.
π Clarify the Product Name: Change "Efficiency Enhancer" to "Chemical Compound: [Name]" on all documents.
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Your Profit Margin Depends on These 25%!
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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.