🧪 Carbon Tetrachloride Fluorinated Refrigerant

🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What is "Carbon Tetrachloride Fluorinated Refrigerant"?

This product is a complex chemical mixture falling under the chemical preparations category. It is characterized by the presence of Chlorine (from Carbon Tetrachloride) and Fluorine (from Fluorinated Refrigerants), classifying it as a halogenated hydrocarbon derivative or a modifying additive for mineral oils/fluids.

In international trade, this item is not a simple single compound but often treated as a chemical preparation or a mixed halogenated substance, depending on the precise composition and primary function (refrigeration vs. industrial solvent/additive).

⚠️ Key Classification Distinction:
- If primarily used as a chemical additive/modifier for oils or explosives → Chapter 38
- If classified as a pure halogenated hydrocarbon (specifically fully halogenated with only F and Cl) → Chapter 29
- If considered a halogenated derivative mixture not specified elsewhere → Chapter 38

📦 II. HS Code Classification Details (2026 Latest Tariff Authority对照)

Based on the provided data, there are five potential HS Code classifications, each with a distinct rationale and tax implication.

🔍 Critical Note:
- HS 2903.77.00.80 offers the lowest total tax (13.7%) but requires the product to be recognized as a pure chemical compound ("fully halogenated") rather than a commercial mixture or preparation.
- HS 38xx codes treat the product as a preparation/mixture, resulting in higher tariffs due to the "Preparation" chapter rules.
- HS 3824.99.55.00 is a specific middle-ground for halogenated refrigerant mixtures, with a moderate tax burden.

💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)

✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 onwards (for subsequent imports)

🎯 1. 3811.19.00.00 & 3811.90.00.00 & 3824.99.50.00 — Chemical Preparations/Additives

📌 Explanation:
- These codes fall under Chapter 38 (Miscellaneous Chemical Products).
- They are subject to the standard 25% Section 301 tariff + 10% IEEPA surcharge + 6.5% base duty.
- High Cost Alert: At 41.5%, this is a significant cost burden. Ensure the product documentation clearly supports the "Preparation/Additive" classification if this route is taken.

🎯 2. 2903.77.00.80 — Fully Halogenated Hydrocarbons (Pure Substance)

📌 Explanation:
- This is the most cost-effective option at 13.7%.
- The key is that the Section 301 surcharge (25%) appears to be 0% for this specific subheading (possibly due to specific exclusions or lower bracket rates for certain halogenated compounds).
- Strategic Imperative: If your product can be scientifically and legally defined as a pure "fully halogenated compound containing only F and Cl" (not a mixture with other ingredients), this is the preferred HS Code.

🎯 3. 3824.99.55.00 — Halogenated Hydrocarbon Mixtures

📌 Explanation:
- This code acknowledges the product as a halogenated hydrocarbon mixture (like refrigerants).
- It has a lower base rate (3.7%) than other Chapter 38 codes but still incurs the 25% + 10% surcharges, leading to a 38.7% total.
- Use this if the product is clearly a refrigerant mixture but not a pure single compound.

🛠️ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)

✅ 1. Preparation Checklist (Mandatory)

✅ 2. Declaration Strategy (Key Tips)

🔥 “Define Purity, Choose Code, Avoid Penalty!”

📌 Crucial Point:
- The difference between HS 2903.77.00.80 and HS 3824.99.55.00 is €25 per $100 value.
- If your product is a mixture, do NOT force it into HS 2903 to save tax. Customs will likely reclassify it and impose back taxes + penalties.
- If your product is a pure compound, do NOT use HS 3824. You are overpaying by ~25%.

✅ 3. Special Handling & Compliance

🌍 V. Global Market Clearance Comparison (2026)

📌 Conclusion:
- The USA imposes significant tariffs on Chinese-origin chemicals.
- Classification accuracy is critical to save ~25-28% in duties.
- Environmental compliance (EPA) is as important as tariff classification for this specific chemical.

📌 VI. Common Errors & Pitfalls (Lessons Learned)

❌ Error 1: Declaring a mixture as a pure compound (HS 2903) to save tax.
👉 Consequence: Customs audit, reclassification to HS 3824, back taxes of ~25%, plus penalties.

❌ Error 2: Failing to disclose Carbon Tetrachloride content.
👉 Consequence: Violation of EPA regulations, seizure of goods, fines. CCl4 is heavily regulated.

❌ Error 3: Using generic name "Refrigerant Gas" without specifying composition.
👉 Consequence: Customs cannot determine duty rate → Delayed clearance, potential detention.

❌ Error 4: Assuming De Minimis applies.
👉 Consequence: Chemicals are strictly excluded from de minimis exemptions. Even small shipments are taxed.

✅ Best Practice:

"Fluorinated Refrigerant Mixture, containing Carbon Tetrachloride derivatives, UN 1966, Class 2.2, for industrial cooling use. MSID & CoA attached."

🎯 VII. Conclusion: Precision in Chemistry, Profit in Clearance

🎯 Key Takeaway:

🔹 If Pure: Aim for HS 2903.77.00.80 → 13.7% Total Tax.
🔹 If Mixture: Use HS 3824.99.55.00 → 38.7% Total Tax.
🔹 If Additive: Use HS 3811/3824.99.50 → 41.5% Total Tax.

🔹 HS Code Determines Cost. Chemistry Determines Compliance.

📌 Pro Tip:

Given the regulatory sensitivity of Carbon Tetrachloride, ensure your supplier provides full transparency on chemical composition. Consider applying for a US CBP Advance Ruling to lock in the HS Code and avoid post-import audits.

📣 Immediate Action:

📞 Contact Customs Broker: Verify EPA import licenses.
📄 Request CoA/MSDS: Confirm if the product is a "pure substance" or "mixture."
🚀 Optimize Classification: Choose the HS Code that matches the actual chemical nature to minimize duty legally.

✨ Professional Clearance, Starting from Precise Classification!
💼 Your Bottom Line Depends on These Decimal Points!