石油化工催化剂组分
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3815190000 | 35.0% | CN | US | Official Doc |
| 2842909010 | 10.0% | CN | US | Official Doc |
| 3815110000 | 35.0% | CN | US | Official Doc |
| 2842909050 | 10.0% | CN | US | Official Doc |
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🧪 Petrochemical Catalyst Components (石油化工催化剂组分)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Transit Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Catalyst Components"?
Petrochemical Catalyst Components are the active or supportive materials used in chemical reactions to accelerate production processes (e.g., cracking, polymerization, oxidation). In international trade, classification depends heavily on whether they are final catalysts (ready for use) or intermediate chemical salts/composition.
Key Distinction Logic:
- Category A: Final Catalysts (38.15)
If the substance is explicitly designed, prepared, or sold as a catalyst or support for catalysts, it falls under Chapter 38.
- Category B: Intermediate Chemical Salts (28.42)
If the substance is a simple inorganic salt (e.g., specific nitrates, sulfates, selenites) without explicit "catalyst" preparation or support structure, it may fall under Chapter 28.
⚠️ Critical Compliance Point:
- If the product name includes "Component" (组分) or "Preparation", and its function is catalytic → 3815.
- If the product is a raw Inorganic Salt (e.g., Nickel Salt, Selenium Salt) without catalytic preparation → 2842.
- Material Conflict Check: If the salt contains Nickel/Selenium/Tellurium, ensure the HS Code aligns with the specific elemental composition defined in Chapter 28.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Reference)
Based on the provided data logic, here are the four most likely classifications:
| HS Code | Product Description | Applicable Scenario | Key Matching Logic |
|---|---|---|---|
3815.11.00.00 |
Supported Catalysts Containing Nickel or Compounds Thereof | Catalysts where Nickel is the active metal or support component | Functional Fit: Identified as "catalyst" type; inferred as Ni-based due to "component" nature and no material conflict. |
3815.19.00.00 |
Other Supported Catalysts | General catalyst components/supports not specified elsewhere | Functional Fit: "Component" implies catalytic use; "Other" category applies when specific material (like Ni) isn't the sole determinant. |
2842.90.90.10 |
Other Salts of Inorganic Acids or Peroxoacids (incl. Selenites/Tellurites) | Inorganic salts (e.g., Selenates/Tellurates) used as catalyst precursors | Material Fit: Assumed to be inorganic salts; matches "Other" category for specific inorganic acids/salts. |
2842.90.90.50 |
Other Salts of Inorganic Acids or Peroxoacids (General) | General inorganic chemical salts (e.g., Nitrates, Sulfates) | Material Fit: No material conflict with "inorganic salts"; common precursor state for catalysts. |
🔍 Important Reminder:
- 3815 vs. 2842: The boundary is "Preparation". If it's just a salt → 2842. If it's "prepared" as a catalyst or on a support → 3815. - "Component" Ambiguity: If the product is a loose salt sold as a "catalyst component," US Customs may still classify it as 2842 unless there is proof of catalytic preparation.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Duties & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: From November 10, 2025 (for subsequent imports)
🎯 1. 3815.11.00.00 & 3815.19.00.00 — Supported Catalysts (Chapter 38)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Most chemical catalysts enjoy 0% MFN base rate) |
| USITC Additional Duty (Section 301) | +25.0% |
| IEEPA Additional Duty (Section 122) | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Allowed (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3815.11.00.00 / 3815.19.00.00 → FOOTNOTE:9903.88.01 |
📌 Explanation:
- Base 0%: Standard MFN rate for chemical catalysts. - 25% Section 301: Standard USITC additional duty on Chinese goods. - 10% Section 122 (IEEPA): New additional duty targeting Chinese origin goods starting late 2025. - Total 35%: High cost entry. Must be factored into supply chain pricing.
🎯 2. 2842.90.90.10 & 2842.90.90.50 — Inorganic Salts (Chapter 28)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Most inorganic salts have 0% MFN base rate) |
| USITC Additional Duty (Section 301) | 0.0% (Note: Data indicates 0% for these specific sub-heads in this context) |
| IEEPA Additional Duty (Section 122) | +10.0% |
| Total Tariff Rate | +10.0% |
| Tax Calculation | CIF Value × 10% |
| De Minimis Exemption | ❌ Not Allowed (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.24 → USITC:2842.90.90.10 / 2842.90.90.50 |
📌 Explanation:
- Lower Risk Profile: These codes benefit from 0% USITC additional duty in the provided data, making them significantly cheaper than Chapter 38 alternatives. - Still Subject to IEEPA: The 10% IEEPA duty still applies to Chinese origin. - Strategy: If the product can be legitimately classified as a raw inorganic salt (2842) rather than a prepared catalyst (3815), the tariff savings are 25% (35% vs 10%).
🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Essential)
| Document | Required | Purpose |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition, CAS number, and intended use. |
| ✅ Technical Data Sheet (TDS) | ✔️ | To prove if it is a "raw material" (Salt) or "prepared catalyst" (3815). |
| ✅ Commercial Invoice | ✔️ | Clear description: "Inorganic Salt [Name]" or "Catalyst Component [Name]". |
| ✅ Certificate of Origin (CO) | ✔️ | To determine origin (China vs. others) for IEEPA applicability. |
| ✅ Third-Party Test Report | ✔️ | Chemical analysis (HPLC/GC) to confirm exact composition. |
✅ 2. Classification Strategy (Key Mantra)
🔥 "Raw Salt is 10%, Prepared Catalyst is 35%! Define Composition First!"
| Scenario | Recommended HS Code | Risk Level |
|---|---|---|
| Pure Inorganic Salt (e.g., Nickel Nitrate) | 2842.90.90.50 / 2842.90.90.10 |
✅ Low Risk (if accurate) |
| Catalyst on Support (e.g., Ni/Alumina) | 3815.11.00.00 |
⚠️ Medium Risk |
| Vague "Catalyst Component" | 3815.19.00.00 |
⚠️ High Risk (May be reclassified as 2842 if no support) |
| Unknown Composition | ❌ Do Not Import | 🔴 High Risk (Customs will seize or reclassify) |
✅ 3. Special Cases & Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Component | Provide the formulation or mixing process. If it’s just mixing salts, argue for 2842. If it’s impregnated on a support, use 3815. |
| Mixed Package (Salt + Support) | Declare as one unit. Do not split. If the support is the main feature, lean towards 3815. |
| Precursor for Catalyst | If sold as a raw chemical for further processing by the buyer, 2842 is safer. |
| Misclassification Penalty | Using 3815 when it’s 2842 leads to overpayment (useless). Using 2842 when it’s 3815 leads to penalties + back taxes (dangerous). |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Notes |
|---|---|---|---|
| 🇺🇸 USA | 2842.90.90.50 / 3815.19.00.00 |
10% (Salt) vs 35% (Catalyst) | IEEPA 10% + USITC 0%/25% |
| 🇨🇳 China | 2842 / 3815 |
0% ~ 5% | No Section 301/122 counter-tariffs |
| 🇪🇺 EU | 2842 / 3815 |
0% | Generally no additional duties for chemicals |
| 🇮🇳 India | 2842 / 3815 |
Varies | Check specific BCD rates |
📌 Conclusion:
- The USA is the most critical market due to the 25% difference between Chapter 28 and Chapter 38. - Strategic Recommendation: If your product is a raw inorganic salt used to make a catalyst, classify under 2842 to save 25% in tariffs. Only use 3815 if the product is already "prepared" or "supported" for catalytic use.
📌 VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
❌ Error 1: Classifying raw salts as 3815 out of caution
👉 Consequence: Paying 35% instead of 10%. Unnecessary cost increase!
❌ Error 2: Classifying prepared catalysts as 2842 to save tax
👉 Consequence: Customs audit finds "prepared catalyst" features → Back taxes + 25% penalty + Seizure.
❌ Error 3: Vague description "Catalyst Component"
👉 Consequence: Customs uses Anti-Dumping/Countervailing scrutiny → Delayed clearance for 30+ days.
✅ Correct Practice:
"Nickel Nitrate Hexahydrate, Inorganic Salt, CAS 10141-66-9, Used as Catalyst Precursor"
→ Declare as 2842.90.90.50"Supported Nickel Catalyst, 5% Ni on Alumina, Ready for Use"
→ Declare as 3815.11.00.00
🎯 VII. Conclusion: Precision Classification Saves Money!
🎯 Remember the Mantra:
🔹 "Raw Salt 10%, Catalyst 35%. Composition Defines Cost!"
🔹 "Don't guess the HS Code. Provide the CAS Number!"
📌 Pro Tip:
If your product is a complex mixture, consider applying for an Advance Ruling (Pre-classification) from US CBP. The cost of a ruling is far less than 35% of your shipment value.
📣 Immediate Action:
📞 Consult a licensed customs broker
📄 Provide CAS Numbers and Chemical Structure
🚀 Secure your supply chain with accurate, legally compliant classification!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Percent Saved is Pure Profit!
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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) — 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.