R600a Refrigerant Mixture (High Purity)
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2903490000 | 13.7% | CN | US | Official Doc |
| 2903770020 | 13.7% | CN | US | Official Doc |
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π§ͺ R600a Refrigerant Mixture (High Purity)
π HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
π I. Product Definition & Classification: Do You Really Understand "R600a"?
R600a (Isobutane) is a natural, eco-friendly hydrocarbon refrigerant widely used in domestic refrigerators, freezers, and small air conditioning units. It replaces older, ozone-depleting or high-GWP (Global Warming Potential) refrigerants like R134a. In international trade, "R600a Refrigerant Mixture" is often misclassified because it is a halogenated derivative only if it contains halogens. However, pure R600a is not halogenated.
β οΈ Critical Clarification for Your Specific Input Data:
The <DATA> provided contains Halogenated Derivatives (HS 2903.xx). R600a (Isobutane) is a Non-Halogenated Hydrocarbon (typically HS 2901.xx or 2902.xx).
However, since your provided <DATA> strictly limits us to HS 2903.49.00.00 and HS 2903.77.00.20, we must analyze the discrepancy and explain why these codes might be referenced in specific (possibly erroneous or mixed) contexts, or if the product contains trace halogens.
β οΈ Key Distinction:
- Pure R600a (Isobutane, C4H10) β NOT Halogenated β Should ideally be 2901.22.00.00 (Saturated Acyclic Hydrocarbons).
- Halogenated Hydrocarbons (e.g., HCFCs, HFCs, CFCs) β Halogenated β Fall under HS 2903.
- If your product is labeled "R600a Mixture" but contains halogenated impurities or blends, customs may scrutinize it under 2903.
π¦ II. HS Code Classification Details (Based on Provided <DATA>)
Since your <DATA> only includes Halogenated Derivatives, we must address these two codes. Note: If you are importing pure R600a, these codes are likely INCORRECT. Use this guide only if your product contains halogens or if you are comparing halogenated alternatives.
| HS Code | Product Description | Applicability to R600a | Key Characteristics |
|---|---|---|---|
2903.49.00.00 |
Halogenated derivatives of hydrocarbons: Saturated fluorinated derivatives of acyclic hydrocarbons: Other | β Unlikely | Applies to Fluorinated compounds (e.g., R-134a, R-125). R600a is non-fluorinated. |
2903.77.00.20 |
Halogenated derivatives: Containing two or more different halogens: Perhalogenated only with fluorine and chlorine: Trichlorotrifluoroethanes | β Incorrect | Applies specifically to Trichlorotrifluoroethanes (e.g., CFC-113). Not R600a. |
π Critical Warning:
- R600a is Isobutane (C4H10). It contains NO halogens.
- HS 2903 is for Halogenated hydrocarbons.
- If you declare R600a under 2903, Customs will likely reject it or reclassify it to 2901/2902.
- However, if the<DATA>is mandatory, assume the product is a mixed blend containing halogenated components, or the label is misleading.
π° III. 2026 Tariff Rate Details (Based on Provided <DATA>)
β Applicable Country: United States (US)
β Origin: China (CN)
β Validity: Current as per provided data
π― 1. 2903.49.00.00 β Saturated Fluorinated Derivatives (Other)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariffs (Section 301/IEEPA) | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Detail | Base: 0.0%, Additional: 0.0% |
| De Minimis Eligibility | β No (Chemicals often excluded) |
| Legal Basis | HTSUS 2903.49.00 |
π Explanation:
- This code has a 0% total tariff in the provided data.
- However, if this is misclassified (R600a is not fluorinated), the correct classification should be checked.
- Risk: Misclassification can lead to penalties, even if the rate is 0%.
π― 2. 2903.77.00.20 β Trichlorotrifluoroethanes
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariffs (Section 301/IEEPA) | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Detail | Base: 0.0%, Additional: 0.0% |
| De Minimis Eligibility | β No |
| Legal Basis | HTSUS 2903.77.00 |
π Explanation:
- This code is highly specific to Trichlorotrifluoroethanes.
- Do not use for R600a unless you are importing CFC-113.
- 0% rate is beneficial, but incorrect classification is a major compliance risk.
π οΈ IV. Clearance Practical Advice (Pitfall Avoidance Guide)
β 1. Preparation Checklist (Essential Documents)
| Document | Required | Explanation |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state chemical composition: Isobutane (C4H10) vs. Halogenated mixtures. |
| β Safety Data Sheet (SDS) | βοΈ | Section 3: Composition. Must show no halogens for R600a. |
| β Commercial Invoice | βοΈ | Must specify "Isobutane (R600a) β Non-Halogenated Hydrocarbon". |
| β Certificate of Analysis (COA) | βοΈ | Purity level (e.g., 99.5%+ Isobutane). |
| β Hazmat Declaration | βοΈ | R600a is Flammable (UN 1965). Must declare flammable gas. |
β 2. Declaration Tips (Key Mnemonics)
π₯ "Pure Isobutane is NOT Halogenated! Don't use 2903!"
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Pure R600a | 2901.22.00.00 (Saturated Acyclic Hydrocarbons) |
Using 2903 β Misclassification Penalty |
| Halogenated Blend (e.g., R404A) | 2903.xxxxxx |
Using 2901 β Wrong HS Code |
| Mixed Canisters (R600a + Impurities) | Declare based on main component | Vague description "Refrigerant Gas" β Customs Hold |
β 3. Special Cases
| Case | Handling Advice |
|---|---|
| OEM Refrigerant Cans | Must include pressure relief device certification. |
| Flammable Hazard | R600a is UN 1965. Requires flammable gas labeling on packaging. |
| Environmental Regulations | EPA Section 608 Compliance may apply for handling ODS/HFCs. R600a is Eco-friendly but flammable. |
| Mixed Blends | If the product is a blend containing halogens, use the correct 2903 subheading based on halogen type. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code (Pure R600a) | Tariff | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 2901.22.00.00 |
0% | DOT UN 1965 | Do not use 2903 |
| π¨π³ China | 2901.22.00.00 |
0% | CAS No. 75-28-5 | Domestic production common |
| πͺπΊ EU | 2901.22.00 |
0% | REACH Compliant | Flammable gas regulation |
| π¦πΊ Australia | 2901.22.00 |
5% | ADR Transport | Check state regulations |
| π―π΅ Japan | 2901.22.00 |
0% | JIS Standard | High purity required |
π Conclusion:
- R600a is NOT a halogenated derivative.
- HS 2903 is for Halogenated Hydrocarbons.
- If your<DATA>forces 2903, ensure the product is NOT pure R600a but a halogenated blend.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Declaring Pure R600a under HS 2903
π Consequence: Customs rejection, reclassification to 2901, potential fines for misdeclaration.
β Error 2: Ignoring Flammable Gas (UN 1965) Labeling
π Consequence: Shipment held at port, return or destruction.
β Error 3: Using Vague Description "Refrigerant Gas"
π Consequence: Customs request for additional documentation, delays.
β Error 4: Assuming "Mixture" Always Means Halogenated
π Consequence: Incorrect HS Code. A "mixture" of Isobutane and Propane is still Non-Halogenated (2901/2902).
β Correct Practice:
"Isobutane (R600a), High Purity (>99.5%), UN 1965, Flammable Gas, For Refrigeration Use Only"
π― VII. Conclusion: Precision Classification, Safe Clearance, Cost Efficiency!
π― Remember the Mantra:
πΉ "R600a = Isobutane = Non-Halogenated = HS 2901"
πΉ "Halogenated = R134a/R1234 = HS 2903"
πΉ "Don't mix them up, or you'll pay the price!"
π Tips:
- If your product is pure R600a, DO NOT use HS 2903. Use 2901.22.00.00.
- If your product is a halogenated blend, ensure it matches the description of 2903.49.00.00 or 2903.77.00.20.
- Always provide SDS and COA to prove composition.
- Check for IEEPA/Section 301 tariffs if origin is China, though the provided data shows 0%.
π£ Immediate Action:
π Consult a Customs Broker for HS Code Pre-ruling if unsure.
π Ensure UN 1965 Flammable Labeling is applied.
πΌ Accurate Classification = Smooth Clearance = Happy Profits!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Your Every Penny is Worth Calculating Precisely!
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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.