四氯化碳抗体参考物质
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3006301000 | 10.0% | CN | US | Official Doc |
| 3822190010 | 10.0% | CN | US | Official Doc |
| 3006305000 | 10.0% | CN | US | Official Doc |
| 3002905250 | 10.0% | CN | US | Official Doc |
AI Analysis
🧪 Tetrachloromethane Antibody Reference Material
🌐 HS Code Classification & Customs Clearance Guide | 2026 Updated Tariff Analysis | Expert-Level Compliance Strategy
📌 One, Product Definition & Classification: What Exactly Is This Substance?
The Tetrachloromethane Antibody Reference Material is a specialized biological reagent used primarily in diagnostic testing, immunological research, and quality control. It contains antibodies specific to tetrachloromethane (CCl₄), often formulated in a stabilizing matrix (such as serum or buffer) for use in antigen-antibody reaction assays, including ELISA, Western Blot, and immunoassay kits.
⚠️ Key Classification Triggers: - Contains antibodies (specifically anti-tetrachloromethane) - Formulated as a reference standard for immunological testing - Based on chemical compound (CCl₄) and biological reagent (antibody) - Used in diagnostic or research settings, not for therapeutic use
📦 Two, HS Code Classification Details (2026 Official Tariff Matrix)
| HS Code | Product Description | Applicable Use Case | Key Matching Criteria |
|---|---|---|---|
3822.19.00.10 |
Other chemical products, not elsewhere specified; containing antigens or antibodies, used in diagnostic or research | Reference standards, immunoassay controls, antibody reagents | ✅ Contains antibody ✅ Contains tetrachloromethane (CCl₄) as antigen ✅ Used in diagnostic/immunoassay context |
3006.30.10.00 |
Blood and blood fractions, serum, plasma, and antigens or antiserum | Biological reference materials, serological controls | ✅ "Serum antigen" in name matches "antigens or antiserum" ✅ Used in diagnostic testing |
3002.90.52.50 |
Other immunological products and similar biologicals; other | Diagnostic reagents, immune detection tools | ✅ Classified under "immunological products" ✅ "Antigen detection reagent" fits "other" subcategory |
3006.30.50.00 |
Diagnostic reagents; intended for use in diagnosis of human or animal diseases | Clinical or research diagnostic kits | ✅ Intended for diagnostic use ✅ Matches "diagnostic reagents" criteria |
🔍 Critical Insight:
This product does not qualify as a pharmaceutical drug or therapeutic agent — it is strictly a research/quality control reference material, which justifies its classification under diagnostic reagents and immunological products.
💰 Three, 2026 Updated Tariff Breakdown (Including附加 Taxes & Legal Basis)
✅ Target Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (inclusive)
🎯 1. 3822.19.00.10 — Other Chemical Products Containing Antibodies or Antigens
| Item | Detail |
|---|---|
| Base Tariff Rate | 0% (ad valorem) |
| USITC Additional Duty | 0% |
| Section 122 Clause Duty | 10% (from U.S. Trade Act Section 301, "Section 122") |
| Total Effective Rate | 10.0% |
| Tax Calculation | CIF Value × 10.0% |
| De Minimis Exemption | ✅ Yes (applies if value ≤ $800) |
| Legal Basis Path | USITC:3822.19.00.10 → SECTION 122:9903.01.25 |
📌 Explanation:
- No USITC (Section 301) tariff applies — this code is not listed under the 301 tariff list. - 10% Section 122 Duty applies as a generalized trade adjustment under the U.S. Trade Act of 1974, targeting certain chemical reagents and biological materials from China. - No IEEPA (International Emergency Economic Powers Act) tax — this product is not classified as a national security threat.
🎯 2. 3006.30.10.00 — Serum, Plasma, Antigens, or Antiserum
| Item | Detail |
|---|---|
| Base Tariff Rate | 0% |
| USITC Additional Duty | 0% |
| Section 122 Clause Duty | 10% |
| Total Effective Rate | 10.0% |
| Tax Calculation | CIF × 10.0% |
| De Minimis Exemption | ✅ Yes |
| Legal Basis Path | USITC:3006.30.10.00 → SECTION 122:9903.01.25 |
📌 Explanation:
- The term "serum antigen" in the product name aligns perfectly with the "antigens or antiserum" description. - No additional Section 301 or IEEPA duties apply. - 10% Section 122 duty is the only additional tax.
🎯 3. 3002.90.52.50 — Other Immunological Products (Including Reagents)
| Item | Detail |
|---|---|
| Base Tariff Rate | 0% |
| USITC Additional Duty | 0% |
| Section 122 Clause Duty | 10% |
| Total Effective Rate | 10.0% |
| Tax Calculation | CIF × 10.0% |
| De Minimis Exemption | ✅ Yes |
| Legal Basis Path | USITC:3002.90.52.50 → SECTION 122:9903.01.25 |
📌 Explanation:
- This code covers "other" immunological products, including antigen detection reagents. - The "blood components and immune products" category fits this reagent. - No additional tariffs beyond 10% Section 122.
🎯 4. 3006.30.50.00 — Diagnostic Reagents (For Human or Animal Use)
| Item | Detail |
|---|---|
| Base Tariff Rate | 0% |
| USITC Additional Duty | 0% |
| Section 122 Clause Duty | 10% |
| Total Effective Rate | 10.0% |
| Tax Calculation | CIF × 10.0% |
| De Minimis Exemption | ✅ Yes |
| Legal Basis Path | USITC:3006.30.50.00 → SECTION 122:9903.01.25 |
📌 Explanation:
- The product is intended for diagnostic use (e.g., detecting anti-CCl₄ antibodies). - Matches the "diagnostic reagents" definition in the HTSUS. - No IEEPA or Section 301 tariffs apply. - Only 10% Section 122 duty is assessed.
🛠️ Four, Customs Clearance Best Practices (Pro Tips to Avoid Delays)
✅ 1. Required Documentation (Must-Have Checklist)
| Document | Required? | Purpose |
|---|---|---|
| ✅ Commercial Invoice | ✔️ | Clearly state: “Tetrachloromethane Antibody Reference Material, Diagnostic Reagent” |
| ✅ Product Specification Sheet | ✔️ | Include: antigen type (CCl₄), antibody specificity, buffer composition, storage conditions |
| ✅ Certificate of Analysis (CoA) | ✔️ | Prove identity, purity, and concentration of antibody |
| ✅ Safety Data Sheet (SDS) | ✔️ | Highlight CCl₄ toxicity, handling precautions |
| ✅ Certificate of Origin (CO) | ✔️ | Required for tariff eligibility (especially if claiming de minimis) |
| ✅ Lab Test Report / Research Use Only (RUO) Statement | ✔️ | Clarify non-therapeutic, research-only use |
| ✅ Labeling & Packaging Photos | ✔️ | Show product name, HS code, hazard symbols |
✅ 2.申报技巧（Critical Pro Tips）
🔥 "Name Right, Code Right, Tax Light!"
| Scenario | Correct HS Code | Common Mistake |
|---|---|---|
| Product name: "Tetrachloromethane Antibody Reference Material" | 3822.19.00.10 ✅ |
Misclassifying as 3006.30.50.00 (if not clearly diagnostic) |
| Contains CCl₄ + antibody | 3822.19.00.10 ✅ |
Using 3006.30.10.00 (too narrow for chemical + biological mix) |
| Used in research labs | 3002.90.52.50 or 3822.19.00.10 ✅ |
Misdeclaring as 3006.30.50.00 (only if clearly diagnostic) |
| Labeled as "Control" or "Standard" | 3822.19.00.10 ✅ |
Avoid 3006.30.10.00 — not for serum-based reagents |
📌 Best Practice Naming:
"Tetrachloromethane Antibody Reference Material, for Immunoassay Controls, Research Use Only, Not for Therapeutic Use"
✅ 3. Special Cases & Risk Mitigation
| Situation | Recommended Action |
|---|---|
| CCl₄ is a toxic chemical (Class 6.1) | Declare under DOT/UN3082; include Hazardous Material flag |
| Shipping to EU or Canada | Use GHS labeling, SDS, and non-therapeutic declaration |
| Multiple HS Code Options | Choose 3822.19.00.10 — most accurate for chemical + antibody mix |
| High-value shipment | Apply for Advance Ruling (Pre-Approval) to lock in HS code |
| Customs audit risk | Keep CoA + SDS + lab report for 5 years |
🌍 Five, Global Customs Comparison (2026 Update)
| Country | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3822.19.00.10 |
10.0% (Section 122 only) | SDS, CoA, RUO | De minimis applies |
| 🇨🇳 China | 3822.19.00.10 |
0% | GMP, ISO 13485 | No extra tariffs |
| 🇪🇺 EU | 3822.19.00.10 |
0% (if CE) | CE, ISO 13485 | No additional duties |
| 🇦🇺 Australia | 3822.19.00.10 |
0% | RCM, TGA | No extra taxes |
| 🇯🇵 Japan | 3822.19.00.10 |
0% | PSE, JIS | No附加税 |
📌 Key Insight:
- Only the U.S. imposes a 10% Section 122 duty on this product. - No IEEPA or Section 301 tariffs — this is not a high-risk item under U.S. trade law.
📌 Six, Common Mistakes & How to Avoid Them (Real-World Pitfalls)
❌ Mistake 1: Using 3006.30.50.00 for a chemical-antibody mix
👉 Result: Misclassification → audit risk, delayed release, penalties
❌ Mistake 2: Failing to declare CCl₄ toxicity
👉 Result: Hazardous material flag → inspection, delay, or rejection
❌ Mistake 3: Not including "Research Use Only" statement
👉 Result: Customs may assume therapeutic intent → higher scrutiny
❌ Mistake 4: Using generic name like "Antibody Reagent"
👉 Result: No match to HS code → incorrect classification
✅ Correct Approach:
"Tetrachloromethane Antibody Reference Material, for Research & Diagnostic Controls, Not for Human or Animal Therapy, Contains CCl₄ (Toxic), SDS Attached"
🎯 Seven, Conclusion: Precision Matters in Biotech Clearance
🎯 Remember the Golden Rule:
🔹 "If it’s a chemical + antibody, use
3822.19.00.10— it’s the most accurate!"
🔹 "No IEEPA. No Section 301. Only 10% Section 122 in the U.S."
🔹 "Name it right, declare it clean, and avoid the audit trap!"
📌 Pro Tip:
If your product is originating from Vietnam, India, or Mexico, you may qualify for Section 122 duty exemption — apply for pre-ruling to lock in 0% rate.
📣 Take Action Now:
📞 Contact a licensed customs broker specializing in biological reagents
📄 Submit product specs, CoA, SDS, and labeling for HS Code pre-approval
🚀 Ensure smooth, fast, and cost-effective clearance — no surprises!
✨ Expert Clearance Starts with Accurate Classification!
💼 Your product’s success depends on one line: the correct HS Code.
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.