High Purity Mineral Oil Anti Knock Agent
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3824992100 | 35.0% | CN | US | Official Doc |
| 2710124595 | 0.0% | CN | US | Official Doc |
| 3824994900 | 41.5% | CN | US | Official Doc |
| 3811190000 | 41.5% | CN | US | Official Doc |
| 2710194540 | 0.0% | CN | US | Official Doc |
Product Images
AI Analysis
π’οΈ High Purity Mineral Oil Anti-Knock Agent (High Purity Mineral Oil Anti Knock Agent)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy
π 1. Product Definition & Classification: Do You Really Understand "Mineral Oil Anti-Knock Agent"?
High Purity Mineral Oil Anti-Knock Agent is a specialized chemical additive used in fuel systems (typically aviation or high-performance engines) to improve octane ratings and prevent engine knocking. It is not a pure fuel itself, nor is it a simple bulk oil; it is a chemical formulation designed for a specific functional purpose.
In international trade, the classification hinges on two factors: 1. Composition: Is it primarily a hydrocarbon base (Mineral Oil) or a specific chemical preparation? 2. Function: Is it classified under "Preparations for Technical/Chemical Uses" or "Residual/Refined Oils"?
β οΈ Critical Distinction:
- If classified as a Chemical Preparation (specifically for anti-knock purposes) βε½ε ₯ Chapter 38 (Chemical Products).
- If classified as a Mineral Oil Derivative (even if treated) β ε½ε ₯ Chapter 27 (Mineral Fuels, Oils, Distillation Products).
π¦ 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Tax Rate | Legal Logic |
|---|---|---|---|---|
3811.19.00.00 |
Anti-Knock Preparations, Branched Hydrocarbons, etc. (Specifically for anti-knock/additive purposes) |
Fuel additives, engine knock prevention agents | 41.5% | Best Fit: Explicitly covers "Anti-knock preparations." The summary confirms: "Mineral oil anti-knock agent explicitly includes mineral oil material and anti-knock function, fully matching the material and function limits in the classification explanation." |
3824.99.49.00 |
Other Chemical Products & Preparations (Not Elsewhere Specified) | General chemical mixtures, petroleum-based preparations not specifically listed | 41.5% | Secondary Option: The summary states: "Derived from petroleum/hydrocarbons; anti-knock agents belong to the chemical preparation category, fitting this code's usage description." |
3824.99.21.00 |
Other Chemical Products (Specific Sub-category) | General chemical industrial preparations | 35.0% | Alternative: "Mineral oil anti-knock agent is classified as a chemical industry preparation, fitting the definition of chemical products and preparations for use." |
2710.12.45.95 |
Other Mineral Oils & Preparations (Specific Sub-category) | Refined mineral oils used as fuel/base | 10.5Β’/bbl + 35.0% | Risk Zone: "Material is mineral oil, form is chemical preparation, fitting the definition of oils/preparations obtained from asphalt minerals." Note: Specific duty applies. |
2710.19.45.40 |
Other Mineral Oils (Residual/Other) | General mineral oil base, broad category | 10.5Β’/bbl + 35.0% | ε εΊ (Catch-all): "Material consistent with white mineral oil; anti-knock agent is a hydrocarbon mixture-related preparation, fitting the other category catch-all principle." |
π Key Insight:
- HS Code3811.19.00.00is the most precise classification because it explicitly mentions Anti-Knock functionality.
- Codes under Chapter 27 (2710...) are riskier due to the specific duty (10.5Β’/bbl) and potential for reclassification if the "preparation" aspect (additives) outweighs the "base oil" aspect.
π° 3. 2026 Latest Tariff Rate Breakdown (Including Surtaxes, Policy Add-ons)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: From November 10, 2025 (Including subsequent imports)
π― 1. 3811.19.00.00 ββ Anti-Knock Preparations (Recommended)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (Ad Valorem) |
| USITC Surtax | +25% (Under USITC Footnote 9903.88.01 / Section 301) |
| IEEPA Surtax | +10% (China/HK products, from Nov 10, 2025) |
| Total Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β No (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β USITC:3811.19.00.00 β FOOTNOTE:9903.88.01 |
π Explanation:
- This is the standard chemical preparation rate for Chinese-origin goods.
- Total 41.5% is high but predictable.
- No specific volume duty (unlike Chapter 27 codes).
π― 2. 3824.99.49.00 ββ Other Chemical Preparations
| Item | Content |
|---|---|
| Base Tariff | 6.5% |
| USITC Surtax | +25% |
| IEEPA Surtax | +10% |
| Total Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β No |
| Legal Basis | Same as above, different sub-heading logic. |
π― 3. 2710.12.45.95 / 2710.19.45.40 ββ Mineral Oil Preparations
| Item | Content |
|---|---|
| Base Tariff | 10.5Β’/barrel (Specific Duty) + Ad Valorem |
| USITC Surtax | +25% |
| IEEPA Surtax | +10% |
| Total Rate | 10.5Β’/bbl + 35.0% |
| Tax Calculation | (10.5Β’ Γ Barrels) + (CIF Value Γ 35.0%) |
| De Minimis Eligibility | β No |
| Legal Basis | IEEPA:9901.25 β USITC:2710... |
π Warning:
- The specific duty (10.5Β’/bbl) is applied in addition to the ad valorem tax.
- Total effective rate can vary based on the density and volume of the oil. For high-value additives, the ad valorem part (35%) is significant, but the specific duty adds complexity.
- Risk: Customs may reclassify from3811(41.5%) to2710(35% + specific) OR vice versa. However,3811is more accurate for functional additives.
π οΈ 4. Customs Clearance Practical Advice (Combat Pitfalls Guide)
β 1. Document Checklist (Missing items = Delays)
| Document | Required | Notes |
|---|---|---|
| β Product Spec Sheet | βοΈ | Must clearly state "Anti-Knock Agent" and composition (Mineral Oil + Additives). |
| β Formula/Composition Analysis | βοΈ | Proof that it is a preparation (mixture) not just raw oil. Critical for 3811 vs 2710. |
| β Safety Data Sheet (SDS) | βοΈ | Shows hazard classification; helps customs determine handling requirements. |
| β Commercial Invoice | βοΈ | Describe as "High Purity Mineral Oil Anti-Knock Agent" β NOT just "Mineral Oil". |
| β Certificate of Origin (CO) | βοΈ | To prove CN origin and apply surtaxes correctly. |
| β Packaging List | βοΈ | Clear volume/weight for specific duty calculation if under 2710. |
β 2. Declaration Strategy (Key Mantra)
π₯ "Function Over Base, Spec Over Name, Avoid 'Oil' Alone!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Primary Use is Anti-Knock | 3811.19.00.00Desc: "Anti-Knock Agent for Fuel" |
Declaring as "Mineral Oil" β Risk of reclassification & penalties |
| High-Value Additive | 3811.19.00.00Value: High |
Declaring as bulk oil β Under-declaration risk |
| Bulky Base Oil Only | 2710.19.45.40Desc: "Refined Mineral Oil" |
Calling it "Anti-Knock" without proof β Misclassification |
| Mixed Shipment | Split Declaration | Bundling additives with bulk oil β Complex duty calculation errors |
β 3. Special Case Handling
| Case | Advice |
|---|---|
| OEM/Private Label | Provide customer contract specifying function (anti-knock) to justify 3811. |
| High Concentration Additive | Emphasize it is a preparation (chemical mix) to support Chapter 38. |
| Dispute on Classification | Apply for Binding Ruling (Pre-Ruling) before shipment. Cost: ~$200-$500, saves thousands in duties/disputes. |
| Transshipment | If routed via Vietnam/Malaysia, ensure substantial transformation occurred. Otherwise, US still imposes Chinese surtaxes. |
π 5. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3811.19.00.00 |
41.5% | SDS, MSDS | High surtax. 2710 is alternative but complex. |
| π¨π³ China | 3811.19.00.00 |
5% (Import Duty) | CCC (if applicable) | No surtaxes. |
| πͺπΊ EU | 3811.10.00.00 |
4.5% | REACH Registration | No Section 301/IEEPA equivalents. |
| π―π΅ Japan | 3811.10.00.00 |
0.5% - 3% | JIS Standards | Low tariff, high regulatory compliance. |
| π¦πΊ Australia | 3811.10.00.00 |
5% | ADR (Transport) | Standard chemical import rules. |
π Conclusion:
- USA is the highest cost market due to 35% total surtax (25% + 10%).
- EU/Japan/Australia are much more favorable for chemical additives.
- Recommendation: If shipping to the US, optimize supply chain (e.g., mix with non-originating ingredients if possible, though difficult for additives) or absorb the 41.5% cost in pricing.
π 6. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Declaring as "Mineral Oil" (2710) to avoid higher chemical tariffs
π Consequence: Customs may reclassify to 3811 (41.5%) + penalties. Also, 2710 has specific duty (10.5Β’/bbl) which is hard to manage for small volumes.
β Error 2: Failing to specify "Anti-Knock" function in description
π Consequence: Customs may classify under generic 3824 or 2710, leading to audit delays and potential reclassification fines.
β Error 3: Ignoring SDS/MSDS requirements
π Consequence: Customs may detain shipment for hazardous material review, causing delays.
β Error 4: Assuming "De Minimis" applies
π Consequence: No de minimis for Chinese-origin chemicals under IEEPA/301. Even small shipments are subject to taxes.
β Correct Practice:
"High Purity Mineral Oil Anti-Knock Agent, Chemical Preparation, Model XYZ, SDS Provided, FCC/REACH Compliant"
π― 7. Conclusion: Precise Classification Saves Money!
π― Remember Mantra:
πΉ "Function Defines Code, Anti-Knock is 3811, Surtax is 41.5%, Don't Guess!"
πΉ "HS Code Determines Life, Tariff Differs by 25%, One Step Wrong, Thousands Lost!"
π Tips:
- If your product is non-Chinese origin (e.g., produced in Singapore, processed in US), you may avoid IEEPA/301 surtaxes.
- Apply for Advance Ruling if unsure between 3811 and 2710.
- Label Clearly: Ensure all packaging has clear "Anti-Knock Agent" labeling to support your HS Code declaration.
π£ Immediate Action:
π Contact Professional Customs Broker + Provide SDS + Apply for HS Code Pre-Ruling
π Let your Anti-Knock Agent pass smoothly, efficiently clear, and maximize profit!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Cent of Cost Deserves Precise Calculation!
Customer Reviews
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.