Hydrochlorofluorocarbon Refrigerant Mixture (Low Toxicity)
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3824995500 | 38.7% | CN | US | Official Doc |
| 3824995000 | 41.5% | CN | US | Official Doc |
| 2903770050 | 13.7% | CN | US | Official Doc |
AI Analysis
π Hydrochlorofluorocarbon (HCFC) Refrigerant Mixture (Low Toxicity)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition and Classification: Do You Truly Understand "HCFC Mixtures"?
Hydrochlorofluorocarbon (HCFC) refrigerant mixtures are chemical blends used primarily in air conditioning, refrigeration, and heat pump systems. They serve as transitional replacements for ozone-depleting CFCs, though their production is being phased out globally under the Montreal Protocol.
In international trade, these mixtures are strictly classified based on their chemical structure and composition:
1. Halogenated Hydrocarbon Derivatives (Specifically Perhalogenated):
These contain both fluorine and chlorine atoms fully substituting hydrogen in the hydrocarbon chain. They fall under Chapter 29 (Organic Chemicals).
2. Mixed Halogenated Hydrocarbons (Chemical Preparations):
These are complex mixtures of halogenated hydrocarbons, often containing various ratios of different HCFC compounds. They fall under Chapter 38 (Miscellaneous Chemical Products).
β οΈ Key Distinction Point:
- If the product is a specific, defined chemical derivative (e.g., pure R-22 or specific R-141b derivatives) β Classified under Chapter 29 (HS 2903.77.00.50)
- If the product is a generic mixture/blends (e.g., R-404A, R-407C, or proprietary blends) not fitting specific organic chemical definitions β Classified under Chapter 38 (HS 3824.99.50.00 or 3824.99.55.00)
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Chemical Nature |
|---|---|---|---|
2903.77.00.50 |
Halogenated derivatives of hydrocarbons (Perhalogenated derivatives) | Specific HCFC chemicals, pure substances or defined mixtures acting as single chemical entities | β Chapter 29 (Organic Chemicals) |
3824.99.50.00 |
Other chemical products and preparations (Halogenated hydrocarbon mixtures) | General HCFC refrigerant blends, industrial chemical preparations | β Chapter 38 (Miscellaneous Chemicals) |
3824.99.55.00 |
Other chemical products and preparations (Other halogenated hydrocarbon mixtures) | Less specific blends, other mixed halogenated refrigerants | β Chapter 38 (Miscellaneous Chemicals) |
π Key Reminder:
- Chapter 29 (2903.77.00.50) applies if the mixture can be identified as a specific derivative of halogenated hydrocarbons. This is often the case for standardized refrigerants like R-22 (though largely phased out) or specific formulations.
- Chapter 38 (3824.99.50.00/3824.99.55.00) applies to complex mixtures that are essentially "chemical preparations" rather than pure organic compounds. Most modern refrigerant blends (like R-400 series) fall here.
π° III. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policy Surcharges)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: From November 10, 2025 (including subsequent imports)
π― 1. 2903.77.00.50 ββ Halogenated Derivatives (Lowest Tariff Strategy)
| Item | Content |
|---|---|
| Base Tariff | 3.7% (ad valorem) |
| Section 301 Surcharge | +0.0% (Exempt from major trade war tariffs) |
| Section 122 Surcharge | +10% (Specific policy surcharge) |
| Total Tariff Rate | 13.7% |
| Tax Calculation | CIF Value Γ 13.7% |
| De Minimis Exemption | β Not Eligible (Chemical products generally excluded) |
| Legal Basis Path | USITC:2903.77.00.50 β FOOTNOTE:Section 122 |
π Explanation:
- This classification benefits significantly from the 0% Section 301 surcharge, making it the most cost-effective option if the product can be legally classified under Chapter 29.
- The total rate of 13.7% is substantially lower than the Chapter 38 options.
- Crucial: You must prove the mixture qualifies as a "halogenated derivative" under HTSUS 2903.77.
π― 2. 3824.99.55.00 ββ Other Halogenated Hydrocarbon Mixtures (High Tariff)
| Item | Content |
|---|---|
| Base Tariff | 3.7% (ad valorem) |
| Section 301 Surcharge | +25.0% (Major trade war tariff) |
| Section 122 Surcharge | +10% (Specific policy surcharge) |
| Total Tariff Rate | 38.7% |
| Tax Calculation | CIF Value Γ 38.7% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | USITC:3824.99.55.00 β Section 301 Footnote β Section 122 |
π Explanation:
- This rate includes the heavy 25% Section 301 tariff, resulting in a total of 38.7%.
- This applies to generic refrigerant blends that do not fit the specific chemical derivative definition of Chapter 29.
π― 3. 3824.99.50.00 ββ Chemical Industrial Preparations (Highest Tariff)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Section 301 Surcharge | +25.0% (Major trade war tariff) |
| Section 122 Surcharge | +10% (Specific policy surcharge) |
| Total Tariff Rate | 41.5% |
| Tax Calculation | CIF Value Γ 41.5% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | USITC:3824.99.50.00 β Section 301 Footnote β Section 122 |
π Explanation:
- This is the most expensive classification, with a total rate of 41.5%.
- It applies to mixtures explicitly categorized as "chemical industry preparations" rather than simple halogenated mixtures.
- Avoid this code unless the product is a complex, multi-component industrial chemical preparation.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Prevention)
β 1. Documentation Checklist (All Required)
| Document | Must Provide | Explanation |
|---|---|---|
| β Safety Data Sheet (SDS) | βοΈ | Must explicitly state "Low Toxicity" and chemical composition. Critical for HazMat clearance. |
| β Composition Breakdown | βοΈ | Detailed list of all HCFC components and their percentages. Required for HS Code determination. |
| β Chemical Structure Diagram | βοΈ | To support classification under Chapter 29 (2903.77) if applicable. |
| β Manufacturerβs Letter of Explanation | βοΈ | Explaining why the mixture is classified as a derivative vs. a preparation. |
| β Commercial Invoice | βοΈ | Must clearly state "Hydrochlorofluorocarbon Refrigerant Mixture, Low Toxicity" and correct HS Code. |
| β Certificate of Origin (CO) | βοΈ | Essential for verifying Chinese origin (triggers Section 301/122). |
| β EPA Registration Number | βοΈ | For US imports, HCFCs are regulated by EPA. Proof of EPA approval is mandatory. |
β 2. Declaration Tactics (Key Mnemonic)
π₯ βDerivative is Cheap, Mixture is Expensive; Chapter 29 Saves Big!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Specific HCFC Formulation | 2903.77.00.50 (13.7%) |
Misclassified as 3824.99.50.00 β 41.5% |
| Generic Blend (e.g., R-404A) | 3824.99.55.00 (38.7%) |
No better option, but ensure description is precise |
| Complex Industrial Prep | 3824.99.50.00 (41.5%) |
Only if itβs a multi-functional chemical mix |
| Small Sample for Testing | Still Subject to Tariff | Assuming De Minimis applies β Penalty! |
β 3. Special Case Handling
| Scenario | Handling Advice |
|---|---|
| EPA Violation | Ensure the HCFC mixture is EPA-registered for import. Unregistered refrigerants will be seized. |
| Montreal Protocol Compliance | Provide proof of non-ozone-depleting or phase-compliant status if required by specific US regulations. |
| HazMat Shipping | HCFCs are often pressurized or flammable. Ensure proper UN packaging and IMDG/ICAO compliance for transport. |
| OEM/Private Label | Provide the original manufacturerβs technical data sheet to justify Chapter 29 classification. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 2903.77.00.50 |
13.7% (Best) | EPA + SDS | Avoid Chapter 38 unless necessary (38.7%-41.5%) |
| π¨π³ China | 2903.77.00.00 |
0-5% | REACH-like compliance | Low import duty, but strict environmental controls |
| πͺπΊ EU | 2903.79.00 |
0-6.5% | REACH + F-Gas Regulation | F-Gas regulation strictly controls HCFC imports |
| π¦πΊ Australia | 2903.77.00 |
5% | NHWIS | No major Section 301 equivalent |
| π―π΅ Japan | 2903.77.00 |
0-5% | JIS/Ministry of Economy | No major surcharges |
π Conclusion:
- The US is the most challenging market due to Section 301 and Section 122 tariffs.
- Chapter 29 (2903.77.00.50) is the golden ticket for HCFC mixtures, saving 25% compared to Chapter 38 codes.
- China is the primary source of these goods, so verifying Chinese origin on all documents is critical.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Classifying all refrigerant blends as 3824.99.50.00
π Consequence: Paying 41.5% instead of 13.7% β Loss of 27.8% margin!
β Error 2: Using "Refrigerant" as a vague description
π Consequence: Customs may reclassify, delay shipment, or impose penalties for misdeclaration.
β Error 3: Ignoring EPA Regulations
π Consequence: Goods seized by CBP and EPA β Total loss of cargo!
β Error 4: Assuming De Minimis applies to small shipments
π Consequence: Chemical products are generally not exempt from de minimis rules β Backdated tariffs + fines!
β Correct Practice:
βHydrochlorofluorocarbon Refrigerant Mixture, R-XXX, Low Toxicity, EPA Registered, Chemical Derivative, HS 2903.77.00.50β
π― VII. Conclusion: Precise Classification, Cost Savings, Smooth Clearance!
π― Remember the Mantra:
πΉ βChapter 29 is Key, 13.7% is Sweet; Chapter 38 is Pain, 40%+ is Drain!β
πΉ βEPA First, HS Second, Docs Third β Get It Wrong, Cargo Gets Stuck!β
π Pro Tip:
- If your product is a standardized HCFC blend (like R-22 or R-141b derivatives), aggressively pursue classification under 2903.77.00.50.
- Submit a Pre-Ruling Request (CBP Ruling) to the US Customs and Border Protection before shipment to lock in the 13.7% rate.
- Always verify EPA compliance before any shipment leaves China.
π£ Immediate Action:
π Contact your customs broker + Provide SDS + Apply for CBP Pre-Ruling
π Ensure your HCFC refrigerants clear US ports smoothly, avoid massive tariffs, and maximize profit!
β¨ Professional clearance starts with precise classification!
πΌ Every percentage point saved is pure profit!
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.