Special Lead Containing Anti Explosive Agent
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3811111000 | 35.0% | CN | US | Official Doc |
| 3811115000 | 35.0% | CN | US | Official Doc |
| 3824840000 | 41.5% | CN | US | Official Doc |
| 3824850000 | 41.5% | CN | US | Official Doc |
| 7801100000 | 0.0% | CN | US | Official Doc |
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AI Analysis
π Special Lead-Containing Anti-Explosive Agent
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
π I. Product Definition & Classification: Do You Really Know "Anti-Explosive Agents"?
Lead-Containing Anti-Explosive Agents (commonly known as Tetraethyl Lead or TEL-based additives) are chemical compounds added to gasoline to increase its octane rating, preventing engine knocking. In international trade, these products are strictly regulated due to their toxic nature (lead content) and are categorized based on whether they are standalone anti-explosive agents, generic chemical preparations, or refined lead metal containing such agents.
Key Distinction Points: * Standalone Anti-Explosive Agent (Based on Lead Compounds): Pure chemical additives formulated specifically to prevent engine knocking. β Classified under 3811.11. * Generic Chemical Preparation: Complex mixtures where lead anti-explosives are one component among many in a chemical industrial preparation. β Classified under 3824.84/85. * Refined Lead Metal: Metallic lead that happens to contain anti-explosive agents as impurities or additives, primarily valued for its metal content. β Classified under 7801.10.
β οΈ Critical Clarification:
- If the product is a liquid or paste chemical additive primarily for fuel treatment β 3811 or 3824.
- If the product is metallic lead (ingot, powder, granules) with trace anti-explosive agents β 7801.
- Misclassification here can lead to massive tariff discrepancies (e.g., 35% vs. 12.5%+base rate) and customs delays.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authorityε―Ήη §)
| HS Code | Product Description | Applicable Scenario | Key Characteristic |
|---|---|---|---|
3811.11.10.00 |
Anti-knock preparations, based on lead compounds | Pure lead-based anti-knock additives for gasoline | β Pure chemical additive |
3811.11.50.00 |
Anti-knock preparations, based on lead compounds | Bulk or industrial grade lead-based anti-knock agents | β Pure chemical additive |
3824.84.00.00 |
Chemical products/preparations (Lead anti-explosive/rust inhibitor) | Mixed chemical preparations containing lead anti-explosives | β Complex chemical mix |
3824.85.00.00 |
Chemical products/preparations (Lead anti-explosive/rust inhibitor) | Other mixed chemical preparations with lead components | β Complex chemical mix |
7801.10.00.00 |
Refined Lead (Contains gasoline anti-explosive agents) | Metallic lead products used as raw material | β Metallic form, lead content basis |
π Key Reminder:
- Chemical vs. Metallic: If it's a liquid/paste used directly in fuel tanks, it's 3811/3824. If it's metal ingots/granules sold for smelting or further processing, it's 7801.
- Tax Impact: The 7801 category has a significantly lower base tariff (2.5%) but a specific "10% Section 301/IEEPA" surcharge, while 3811/3824 face a heavy 35-41.5% total burden due to the 25% Section 301 + 10% IEEPA structure.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes, Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: From November 10, 2025 (and subsequent imports)
π― 1. 3811.11.10.00 & 3811.11.50.00 ββ Anti-Knock Preparations (Lead-Based)
| Item | Details |
|---|---|
| Base Tariff | 0% (Ad Valorem) |
| USITC Additional Tax (Section 301) | +25% |
| IEEPA Additional Tax (Section 122/China Specific) | +10% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Eligibility | β Not Eligible (Denied) |
| Legal Basis Path | USITC:3811.11.10.00 β FOOTNOTE:301 (25%) + IEEPA (10%) |
π Explanation:
- These codes fall under chemical anti-knock agents.
- The 25% is the standard Section 301 tariff on many Chinese chemical products.
- The 10% is an additional surcharge under IEEPA for specific Chinese-origin goods.
- Total 35% is a significant cost driver for fuel additive importers.
π― 2. 3824.84.00.00 & 3824.85.00.00 ββ Chemical Preparations (Leaded)
| Item | Details |
|---|---|
| Base Tariff | 6.5% (Ad Valorem) |
| USITC Additional Tax (Section 301) | +25% |
| IEEPA Additional Tax (Section 122/China Specific) | +10% |
| Total Effective Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Eligibility | β Not Eligible (Denied) |
| Legal Basis Path | USITC:3824.84.00.00 β FOOTNOTE:301 (25%) + IEEPA (10%) |
π Explanation:
- These codes are for "Other Chemical Preparations" where lead anti-explosives are part of a broader formulation.
- The 6.5% base rate makes the total burden higher (41.5%) compared to the pure anti-knock agents (35%).
- Importers must ensure the product is correctly identified as a "preparation" vs. a "pure anti-knock agent" to avoid overpayment or misdeclaration.
π― 3. 7801.10.00.00 ββ Refined Lead (Containing Anti-Explosive Agents)
| Item | Details |
|---|---|
| Base Tariff | 2.5% (on the value of the lead content) |
| USITC Additional Tax (Section 301) | 0.0% (Specific exemption for this subheading in some contexts, or bundled differently; Note: Data shows 0% additional here) |
| IEEPA Additional Tax (Section 122) | +10% |
| Total Effective Rate | 2.5% on Lead Content + 10% |
| Tax Calculation | (Lead Content Value Γ 2.5%) + (Total CIF Γ 10%) |
| De Minimis Eligibility | β Not Eligible (Denied) |
| Legal Basis Path | USITC:7801.10.00.00 β IEEPA (10%) |
π Explanation:
- This code applies if the product is metallic lead (ingots, etc.) and not a liquid additive.
- The 2.5% applies only to the lead content value, not the entire product if it has other non-lead materials (though usually pure lead).
- The 10% IEEPA is added on the total value.
- Crucial: Do not declare metallic lead as a chemical additive (3811) to avoid penalties. The tax structure is fundamentally different.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Required Documentation Checklist (Non-Negotiable)
| Document | Mandatory? | Notes |
|---|---|---|
| β Safety Data Sheet (SDS) | βοΈ | Must classify as hazardous material (Lead Toxic). |
| β Certificate of Analysis (CoA) | βοΈ | Specifies exact lead compound percentage and chemical composition. |
| β Product Photo (Label/Container) | βοΈ | Must show "Lead-Containing," hazard symbols, and HS-relevant info. |
| β Commercial Invoice | βοΈ | Must clearly state "Lead-Based Anti-Knock Agent" or "Refined Lead." |
| β Packing List | βοΈ | Detail net/gross weight, especially for lead content calculation in 7801. |
| β Origin Certificate (CO) | βοΈ | To verify China origin and apply correct IEEPA/301 rates. |
β 2. Declaration Tips (Key Mnemonics)
π₯ "Chemical Liquid: 3811/3824; Metal Ingot: 7801. Don't Mix Up!"
| Scenario | Correct Declaration | Wrong Action | Consequence |
|---|---|---|---|
| Liquid additive for fuel | 3811.11.10.00 or 3811.11.50.00 |
Declare as "Refined Lead" | Misclassification β Penalties + 12.5%+ tax confusion |
| Liquid mixed chemical prep | 3824.84.00.00 |
Declare as "Pure Anti-Knock" | Overpaying taxes (41.5% vs 35%) or underpaying if wrong |
| Metallic Lead Ingots | 7801.10.00.00 |
Declare as "Chemical Product" | Major violation β Seizure + Heavy Fines |
β 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM Fuel Additives | Provide client contract + SDS to prove it's a "preparation" (3811/3824). |
| Lead-Containing Scrap/Recycling | If recycled, may still be 7801.10.00.00 if refined, or different scrap codes. Consult customs broker. |
| Non-China Origin | If origin is Vietnam/Mexico, IEEPA 10% may be waived. Check CO carefully. |
| Hazardous Material Declaration | Lead compounds are hazardous. Ensure IMDG/ADR compliance for transport. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Req. | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3811.11.10.00 / 3824.84.00.00 / 7801.10.00.00 |
35% / 41.5% / 12.5%+ | EPA/TSCA Compliance | High tariffs due to 301 & IEEPA. Lead regulations strict. |
| π¨π³ China | 3811.11.10.00 |
0% | GB Standards | Export hub, but lead exports may face environmental checks. |
| πͺπΊ EU | 3811.11.10.00 |
0-6.5% | REACH Registration | Lead additives heavily restricted/banned in many fuels. |
| π―π΅ Japan | 3811.11.10.00 |
0% | JIS Standards | Strict lead content limits in final gasoline. |
π Conclusion:
- USA is the most expensive market due to layered tariffs (301 + IEEPA).
- EU/Japan have strict environmental bans on leaded gasoline, making import highly restricted.
- USA allows leaded aviation fuel (Avgas) but restricts automotive. Ensure end-use compliance.
π VI. Common Mistakes & Pitfall Guide (Blood & Tears Lessons)
β Mistake 1: Declaring metallic lead as a "chemical additive"
π Consequence: HS Code mismatch β Customs audit β Delay + Fines.
β Mistake 2: Ignoring the "Lead Content" specification in 7801.10.00.00
π Consequence: Base tariff (2.5%) is on lead value, not total weight. Miscalculation leads to underpayment β Back taxes + interest.
β Mistake 3: Failing to declare Hazardous Material status
π Consequence: Transport violation β Cargo seizure β Return at importer's cost.
β Mistake 4: Assuming De Minimis (Section 321) applies
π Consequence: Lead-containing chemicals are excluded from De Minimis exemption. Small shipments still pay full tariffs.
β Correct Practice:
"Liquid Lead-Based Anti-Knock Agent (TEL), CAS No. 78-00-2, SDS Available, For Aviation Fuel Only, HS: 3811.11.10.00"
π― VII. Conclusion: Professional Declaration Saves Money!
π― Remember the Mnemonic:
πΉ "Liquid = 3811/3824 (35-41.5%); Metal = 7801 (2.5% Lead + 10% Total). Hazardous? Declare it! Lead? Check Origin!"
π Tips:
- If your product is aviation fuel additive, ensure it's for Avgas (Leaded), not Mogas (Unleaded), as regulations differ.
- Pre-ruling (Advance Ruling) is highly recommended for 7801.10.00.00 to confirm if your specific lead product qualifies for the base tariff on lead content.
- Always verify if the 10% IEEPA applies to your specific chemical formulation, as some exemptions exist for certain industrial chemicals.
π£ Immediate Action:
π Contact a licensed customs broker + Provide SDS + Apply for Pre-Ruling
π Let your lead-containing products clear customs smoothly, avoiding 40%+ unexpected costs!
β¨ Professional Customs, Starts with Accurate Classification!
πΌ Your Every Dollar of Tariff, Deserves Precise Calculation!
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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.