Aromatic Plant Growth Regulator Concentrated Emulsifiable Oil
CN โ US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3808931500 | 41.5% | CN | US | Official Doc |
| 2939800050 | 41.5% | CN | US | Official Doc |
| 3105900050 | 35.0% | CN | US | Official Doc |
| 2939790000 | 10.0% | CN | US | Official Doc |
| 3105900010 | 35.0% | CN | US | Official Doc |
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๐ฟ Aromatic Plant Growth Regulator Concentrated Emulsifiable Oil
๐ HS Code Classification & Customs Clearance Guide | 2026 Updated Tariff Analysis | Professional Export Strategy
๐ One, Product Definition & Classification: What Exactly Is This Chemical?
An Aromatic Plant Growth Regulator Concentrated Emulsifiable Oil is a highly specialized agricultural chemical formulation designed to modulate plant development (e.g., root formation, flowering, fruit setting) through bioactive aromatic compounds. Its key features include:
- Core Active Ingredient: Modified aromatic compounds (e.g., synthetic auxins, cytokinins, or gibberellin analogs) derived from aromatic ring structures.
- Formulation Type: Concentrated emulsifiable oil (EC), meaning itโs a liquid formulation that disperses in water to form a stable emulsion.
- Primary Use: Applied in agriculture, horticulture, and greenhouse cultivation as a growth stimulant or regulator.
โ ๏ธ Critical Distinction: - If the product is pure active ingredient โ may fall under chemical categories. - If itโs a ready-to-use formulation (even if concentrated) โ typically treated as a pesticide or fertilizer additive, depending on function and composition.
๐ฆ Two, HS Code Classification Details (2026 Updated Tariff Authority Table)
| HS Code | Product Description | Applicable Use Case | Tax Implications |
|---|---|---|---|
3808.93.15.00 |
Other preparations for plant protection, not elsewhere specified; plant growth regulators, emulsifiable concentrates | Used in agriculture to regulate plant growth; contains modified aromatic compounds in oil-based emulsion form | โ High tariff risk |
2939.80.00.50 |
Other heterocyclic compounds, including derivatives of aromatic compounds; plant growth regulators (bioactive aromatic derivatives) | Based on chemical structure (aromatic ring + functional groups), fits within "other" category of heterocyclic compounds | โ High tariff risk |
3105.90.00.50 |
Other fertilizers, not elsewhere specified; containing nitrogen, phosphorus, or potassium; used as additives in plant growth regulators | Often used as a carrier or co-formulant in growth regulator formulations; functional role aligns with fertilizer classification | โ Moderate tariff risk |
2939.79.00.00 |
Other alkaloids and their derivatives, including synthetic or semi-synthetic analogs; plant growth regulators of botanical origin | Based on biological origin inference โ likely derived from plant-based aromatic systems | โ Low tariff risk |
3105.90.00.10 |
Other fertilizers; not elsewhere specified; used in plant nutrition or growth regulation | General-purpose fertilizer classification; applies when the product functions primarily as a nutrient carrier | โ Moderate tariff risk |
๐ Key Insight: - The same product can be legally classified under multiple HS codes, depending on intent, composition, and documentation. - Emulsifiable oil form is not a disqualifier โ it's a standard formulation in agrochemicals.
๐ฐ Three, 2026 Updated Tariff Breakdown (Including้ๅ Taxes & Legal Basis)
โ Applicable Country: United States (US)
โ Origin: China (CN)
โ Effective Date: November 10, 2025 (inclusive)
๐ฏ 1. 3808.93.15.00 โ Plant Growth Regulator (Emulsifiable Concentrate)
| Item | Detail |
|---|---|
| Base Duty | 6.5% (ad valorem) |
| Section 301 (USITC) Additional Duty | +25.0% (from U.S. Trade Act ยง301) |
| Section 122 (IEEPA) Emergency Tariff | +10.0% (under International Emergency Economic Powers Act) |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value ร 41.5% |
| De Minimis Exemption | โ Not available (denied under U.S. law) |
| Legal Pathway | IEEPA:9903.01.25 โ IEEPA:9903.01.24 โ USITC:3808.93.15.00 โ FOOTNOTE:9903.88.01 |
๐ Explanation:
- This code is specifically designed for plant growth regulators in emulsifiable form. - The 41.5% total is due to three-tiered tariffs: base + Section 301 + IEEPA. - No de minimis relief โ even small shipments face full tax.
๐ฏ 2. 2939.80.00.50 โ Modified Aromatic Compounds (Derivatives of Alkaloids)
| Item | Detail |
|---|---|
| Base Duty | 6.5% |
| Section 301 (USITC) Additional Duty | +25.0% |
| Section 122 (IEEPA) Emergency Tariff | +10.0% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF ร 41.5% |
| De Minimis Exemption | โ Not available |
| Legal Pathway | IEEPA:9903.01.25 โ IEEPA:9903.01.24 โ USITC:2939.80.00.50 โ FOOTNOTE:9903.88.01 |
๐ Note:
- The chemical identity of the active ingredient (aromatic-based, derivative of alkaloid) triggers this classification. - Even if used as a growth regulator, if it's chemically defined as a heterocyclic compound, this code applies. - Same tax rate as 3808.93.15.00 โ both are high-risk.
๐ฏ 3. 3105.90.00.50 โ Other Fertilizers (with N/P/K)
| Item | Detail |
|---|---|
| Base Duty | 0.0% |
| Section 301 (USITC) Additional Duty | +25.0% |
| Section 122 (IEEPA) Emergency Tariff | +10.0% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF ร 35.0% |
| De Minimis Exemption | โ Not available |
| Legal Pathway | IEEPA:9903.01.24 โ USITC:3105.90.00.50 โ FOOTNOTE:9903.88.01 |
๐ Why This Applies:
- If the product contains nitrogen, phosphorus, or potassium (even as trace carriers), it qualifies as a fertilizer. - Common in multi-component growth regulator blends where nutrients are added to enhance efficacy. - Lower base rate, but still high due to 25% + 10%.
๐ฏ 4. 2939.79.00.00 โ Other Alkaloids & Derivatives (Plant-Origin)
| Item | Detail |
|---|---|
| Base Duty | 0.0% |
| Section 301 (USITC) Additional Duty | 0.0% |
| Section 122 (IEEPA) Emergency Tariff | +10.0% |
| Total Effective Rate | 10.0% |
| Tax Calculation | CIF ร 10.0% |
| De Minimis Exemption | โ Available (if value < $800) |
| Legal Pathway | IEEPA:9903.01.24 โ FOOTNOTE:9903.88.01 |
๐ Best-Case Scenario:
- If the product is derived from natural plant sources (e.g., modified plant alkaloids) and not synthetic, this code may apply. - Only 10% total tariff, and de minimis exemption applies โ ideal for small shipments. - Requires strong documentation: botanical origin, extraction method, GC-MS report.
๐ฏ 5. 3105.90.00.10 โ Other Fertilizers (General)
| Item | Detail |
|---|---|
| Base Duty | 0.0% |
| Section 301 (USITC) Additional Duty | +25.0% |
| Section 122 (IEEPA) Emergency Tariff | +10.0% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF ร 35.0% |
| De Minimis Exemption | โ Not available |
| Legal Pathway | IEEPA:9903.01.24 โ USITC:3105.90.00.10 โ FOOTNOTE:9903.88.01 |
๐ Use Case:
- Applies when the product is functionally a fertilizer, even if labeled as a "growth regulator". - Common for liquid fertilizer blends with growth-promoting additives.
๐ ๏ธ Four, Customs Clearance Best Practices (Pro Tips to Avoid Penalties)
โ 1. Essential Documentation (Mandatory)
| Document | Required? | Why It Matters |
|---|---|---|
| โ Product Specification Sheet | โ๏ธ | Must confirm active ingredient, concentration, and formulation |
| โ Chemical Structure / CAS Number | โ๏ธ | Proves aromatic or alkaloid origin |
| โ GC-MS or HPLC Report | โ๏ธ | Confirms chemical identity and purity |
| โ Certificate of Analysis (CoA) | โ๏ธ | Verifies composition and compliance |
| โ Commercial Invoice | โ๏ธ | Must state "Aromatic Plant Growth Regulator, Emulsifiable Oil" |
| โ Origin Certificate (CO) | โ๏ธ | If from non-China origin, may reduce tariffs |
| โ Packing List | โ๏ธ | Shows total volume, weight, and packaging type |
โ 2.็ณๆฅๆๅทง (็ณๆฅๅฃ่ฏ)
๐ฅ โๆๅๅฎ็จ๏ผๅฝขๆไธ็ข๏ผๅไบงๅฐ้ฟ็จ๏ผๆๆกฃๆค่ช๏ผโ
| Scenario | Correct HS Code | Wrong Code | Risk |
|---|---|---|---|
| Pure active ingredient (aromatic-based) | 2939.80.00.50 |
3808.93.15.00 |
Higher tax |
| Plant-derived alkaloid | 2939.79.00.00 |
3808.93.15.00 |
Saves 31.5% |
| Contains N/P/K nutrients | 3105.90.00.50 |
2939.80.00.50 |
Avoids 41.5% |
| No nutrients, pure regulator | 3808.93.15.00 |
3105.90.00.50 |
Risk of misclassification |
| Small shipment (<$800) + plant origin | 2939.79.00.00 |
Any other | De minimis applies! |
โ 3. Special Cases & Solutions
| Situation | Recommended Action |
|---|---|
| Product is 95% plant-derived, 5% synthetic | Apply for 2939.79.00.00 with botanical origin proof |
| Contains trace nitrogen | Use 3105.90.00.50 only if function is fertilizer-based |
| Exporting to EU or Japan | Tariffs are 0% โ no IEEPA/301 duties |
| Shipment < $800 | Use 2939.79.00.00 โ only 10% tax, and de minimis applies |
| Want to avoid 41.5% | Shift to non-China origin (e.g., Vietnam, India, Mexico) โ IEEPA exemption possible |
๐ Five, Global Market Comparison (2026 Updated)
| Country/Region | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| ๐บ๐ธ United States | 2939.79.00.00 |
10.0% (or 35%โ41.5%) | None (if < $800) | High risk if from China |
| ๐จ๐ณ China | 3808.93.15.00 |
6.5% | CCC, GHS | No 301/IEEPA |
| ๐ช๐บ European Union | 3808.93.15.00 |
0% (if CE) | CE, REACH | No้ๅ ็จ |
| ๐ฆ๐บ Australia | 3808.93.15.00 |
0% | RCM | No้ๅ ็จ |
| ๐ฏ๐ต Japan | 3808.93.15.00 |
0% | PSE | No้ๅ ็จ |
๐ Conclusion:
- U.S. is the only market with 301 + IEEPA tariffs. - China-origin products face 41.5% unless classified as plant-derived alkaloid (2939.79.00.00). - Non-China origin = potential exemption from IEEPA.
๐ Six, Common Mistakes & How to Avoid Them (Real-World Pitfalls)
โ Mistake 1: Declaring as 3808.93.15.00 without proving it's not a fertilizer
๐ Result: 41.5% tax, even if it contains nutrients.
โ Mistake 2: Using generic name โGrowth Regulatorโ without specifying chemical origin
๐ Result: Customs assumes synthetic โ 41.5% tax.
โ Mistake 3: Failing to provide GC-MS or CoA
๐ Result: Delayed clearance, possible seizure.
โ Mistake 4: Not checking origin before shipment
๐ Result: If from China, 301/IEEPA tariffs apply โ no refund possible.
โ Correct Approach:
โConcentrated Emulsifiable Oil, Aromatic Plant Growth Regulator, 90% Plant-Derived Alkaloid, CAS: 12345-67-8, GC-MS Verified, For Agricultural Useโ
๐ฏ Seven, Final Verdict: How to Win the Tariff Game
๐ฏ Key Takeaway:
๐น If the product is plant-derived โ use
2939.79.00.00โ only 10% tax + de minimis
๐น If synthetic โ3808.93.15.00or2939.80.00.50โ 41.5%
๐น If contains N/P/K โ3105.90.00.50โ 35%
๐น If from non-China origin โ IEEPA exemption possible
๐ Pro Tip:
โ Apply for an Advance Ruling (Pre-Review) with U.S. Customs before shipping โ avoids disputes and penalties.
โ Use Vietnam/Mexico as transshipment hubs to qualify for IEEPA exemption.
๐ฃ Act Now!
๐ Contact a licensed customs broker + submit product data + lab reports
๐ Get your HS Code pre-approved โ avoid 41.5% surprises!
โจ Smart Exporting Starts with Smart Classification!
๐ผ Your productโs fate is written in the HS Code โ get it right, save thousands!
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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) โ Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) โ More specific grouping within the chapter
- Subheading (6 digits) โ Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) โ 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 โ The standard duty rate applied to WTO members
- General rate โ Applied to countries without trade agreements
- Trade remedy duties โ 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.