无机杀菌剂定制配方
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2828900000 | 38.7% | CN | US | Official Doc |
| 2827399050 | 10.0% | CN | US | Official Doc |
| 2828100000 | 37.4% | CN | US | Official Doc |
| 3808997000 | 40.0% | CN | US | Official Doc |
| 3808913000 | 40.0% | CN | US | Official Doc |
| 2827495000 | 15.5% | CN | US | Official Doc |
AI Analysis
🧪 Inorganic Biocide Custom Formulation
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
📌 I. Product Definition & Classification: What is an "Inorganic Biocide Custom Formulation"?
Inorganic Biocides are chemical substances primarily composed of inorganic salts (such as hypochlorites, chlorides, bromides, or iodides) used to kill or inhibit the growth of microorganisms. A "Custom Formulation" implies a mixture or product prepared specifically for disinfection, sterilization, or preservation purposes.
In international trade, these products are classified into two main categories based on their chemical nature versus their functional use:
- Chemical Pure/Substances (Chapter 28): Products defined by their specific inorganic salt composition (e.g., Calcium Hypochlorite, Sodium Hypochlorite) without significant organic additives.
- Prepared Disinfectants/Biocides (Chapter 38): Products where the primary characteristic is the use (disinfection) rather than just the chemical identity, often including mixtures, stabilizers, or specific formulations for industrial/consumer disinfection.
⚠️ Key Distinction Point:
- If the product is a pure or crude inorganic salt (e.g., pure Calcium Hypochlorite powder) → Classified under Chapter 28 (Chemicals).
- If the product is a formulated mixture intended specifically as a biocide/disinfectant, even if inorganic → Classified under Chapter 38 (Prepared Biocides).
- Note: Some chloride/iodide mixtures for general industrial use might fall under Chapter 28 if not explicitly for biocidal use, but "Biocide" strongly points to Chapter 38.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the potential HS codes for "Inorganic Biocide Custom Formulation":
| HS Code | Product Description | Logic/Justification | Tax Rate (Total) |
|---|---|---|---|
2828.90.00.00 |
Other Hypochlorites / Sub-chlorites | Inferred chemical essence includes hypochlorites or related inorganic salts. Fits the material/usage scope of other hypochlorites. | 38.7% |
2827.39.90.50 |
Other Chlorides, Bromides, Iodides | Product name "Inorganic" implies chemical attribute belongs to inorganic compounds. Conflicts not found with chlorides, bromides, or iodides. | +10.0% (Note: See details) |
2828.10.00.00 |
Hypochlorites | Inferred from "Biocide" that chemical essence contains hypochlorite substances. Fits material characteristics of hypochlorites/calcium hypochlorite. | 37.4% |
3808.99.70.00 |
Other Prepared Biocides | Product use "Biocide" matches code use. Material is inorganic, which is consistent with the explanation of "inorganic substances" contained in the code. No conflict. | 40.0% |
3808.91.30.00 |
Other Prepared Biocides (Inorganic) | Product name explicitly contains "Inorganic" and "Biocide" attributes. Fully meets the material and usage requirements in the classification explanation. | 40.0% |
2827.49.50.00 |
Other Chlorides & Chloroxides | Based on material inference, biocides usually contain inorganic chemical components like chlorides, chloroxides. Fits the chemical attributes of chlorides and chlorhydroxides. | 15.5% |
🔍 Critical Analysis:
- Chapter 28 Codes (2828.xx,2827.xx): Focus on the chemical identity (e.g., it is hypochlorite or chloride).
- Chapter 38 Codes (3808.xx): Focus on the functional use (it is a prepared biocide).
- Risk: Misclassification between Chapter 28 and 38 can lead to significant duty differences and compliance risks. Customs often scrutinize "custom formulations" to ensure they are not simply chemical raw materials disguised as prepared products.
💰 III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Time: From November 10, 2025 (including subsequent imports)
🎯 1. Chapter 28: Chemical Hypochlorites & Chlorides
A. 2828.90.00.00 & 2828.10.00.00 (Hypochlorites)
| Item | Content |
|---|---|
| Base Rate | 2.4% - 3.7% (ad valorem) |
| Section 301 Surcharge (USITC) | +25.0% |
| 122 Section Surcharge (IEEPA) | +10.0% |
| Total Tax Rate | 37.4% - 38.7% |
| Tax Calculation | CIF Value × Total Rate |
| De Minimis Eligibility | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:2828.xx → FOOTNOTE:122 |
📌 Explanation:
- Hypochlorites are widely used in water treatment and disinfection.
- The 25% Section 301 tariff applies to most chemical products from China.
- The 10% IEEPA tariff is an additional surcharge for specific categories.
- Total burden is high (~38%), requiring careful cost planning.
B. 2827.39.90.50 (Other Chlorides/Bromides/Iodides)
| Item | Content |
|---|---|
| Base Rate | 0% (Implied from "+10.0%" total context, often 0-5% for basic salts) |
| Section 301 Surcharge (USITC) | 0.0% (Note: Data shows 0% for Section 301 here) |
| 122 Section Surcharge (IEEPA) | +10.0% |
| Total Tax Rate | +10.0% (Plus any base rate if applicable, data shows total as +10%) |
| Tax Calculation | CIF Value × 10% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | IEEPA:122 → USITC:2827.39.90.50 |
📌 Note:
- This code appears to have a lower total tax burden compared to hypochlorites.
- However, ensure the product truly fits "Other Chlorides/Bromides/Iodides" and not a more specific hypochlorite code. Misclassification to this lower-rate code if it’s actually a hypochlorite can lead to penalties.
C. 2827.49.50.00 (Chlorides & Chlorhydroxides)
| Item | Content |
|---|---|
| Base Rate | 5.5% |
| Section 301 Surcharge (USITC) | 0.0% |
| 122 Section Surcharge (IEEPA) | +10.0% |
| Total Tax Rate | 15.5% |
| Tax Calculation | CIF Value × 15.5% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | IEEPA:122 → USITC:2827.49.50.00 |
📌 Advantage:
- 15.5% is significantly lower than the ~38% for hypochlorites.
- If the biocide is based on chlorides (e.g., certain chloride-based disinfectants) or chlorhydroxides, this code offers substantial savings.
- Crucial: Must prove the chemical nature is not primarily hypochlorite.
🎯 2. Chapter 38: Prepared Biocides
A. 3808.91.30.00 & 3808.99.70.00 (Other Prepared Biocides)
| Item | Content |
|---|---|
| Base Rate | 5.0% |
| Section 301 Surcharge (USITC) | +25.0% |
| 122 Section Surcharge (IEEPA) | +10.0% |
| Total Tax Rate | 40.0% |
| Tax Calculation | CIF Value × 40% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | IEEPA:9903.01.25 → USITC:3808.xx → FOOTNOTE:122 |
📌 Explanation:
- Classified as "Prepared Biocides."
- Highest tax rate among the options (40%).
- Applicable if the product is a complex mixture or explicitly marketed as a "custom formulation biocide" rather than a raw chemical.
- Recommendation: Only use this if the product cannot be classified under Chapter 28 due to its complex formulation, as the tax cost is higher.
🛠️ IV. Customs Clearance Practical Advice (Combat Pitfalls Guide)
✅ 1. Preparation Checklist (No Exceptions)
| Material | Required | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition (e.g., % Hypochlorite, % Chloride), concentration, and pH. |
| ✅ Safety Data Sheet (SDS) | ✔️ | Crucial. Must clearly state "Inorganic" nature and biocidal function. Harmonized SDS across countries helps. |
| ✅ Product Photo (Label/Container) | ✔️ | Show clear labeling: "Inorganic Biocide," chemical name, CAS numbers if applicable. |
| ✅ Third-Party Test Report | ✔️ | COA (Certificate of Analysis) confirming chemical identity is vital for Chapter 28 vs 38 distinction. |
| ✅ Commercial Invoice | ✔️ | Describe as "Inorganic Biocide Formulation, [Chemical Name]" NOT just "Disinfectant." |
| ✅ Packing List | ✔️ | Detail net/gross weight, container type (e.g., plastic drum for corrosive inorganics). |
✅ 2. Declaration Skills (Key Mantras)
🔥 "Chemical Identity First, Use Second. Inorganic is Key, Chapter 28 is Cheap!"
| Situation | Correct Declaration | Wrong Practice |
|---|---|---|
| Pure/Basic Inorganic Salt (e.g., Ca(OCl)₂) | 2828.10.00.00 or 2828.90.00.00 |
Misdeclare as 3808 → Pay 40% instead of ~38% (minor) but risk compliance. |
| Chloride-based Biocide (No Hypochlorite) | 2827.49.50.00 |
Misdeclare as 2828 → Pay 15.5% vs 38.7% → Huge Savings! |
| Complex Mixture/Prep. Biocide | 3808.91.30.00 |
Misdeclare as 2828 → If it has organic carriers, risk rejection/fine. |
| Vague Name "Disinfectant" | Specify "Inorganic Hypochlorite Solution" | Vague name → Customs inspection delay, potential downgrading to higher tax or penalty. |
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Custom Formulation with Organic Additives | If >5-10% organic stabilizers/emulsifiers, Chapter 38 (3808) may be required. Consult chemical engineer. |
| Liquid vs. Solid | Liquids may require UN 1789 (Corrosive) or UN 2817 (Poisonous) markings. Ensure proper labeling. |
| High Concentration | Pure hypochlorites are strong oxidizers. Ensure proper hazardous goods declaration (DG declaration). |
| Origin Proof | Ensure Certificate of Origin is correctly issued to avoid additional duties if FTA applies (unlikely for US-China). |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2828.10.00.00 / 2827.49.50.00 |
15.5% - 38.7% | EPA Registration (if biocide claim) | Highest Risk/Complexity due to 301/122 tariffs. |
| 🇨🇳 China | 2828.10.00.00 / 3808.91.00.00 |
5% - 10% | Chemical Registration (China) | Lower duties. Chapter 38 often used for prepared biocides. |
| 🇪🇺 EU | 2828.10.00 / 3808.94 |
0% - 5% | CLP Labeling, Biocidal Products Regulation (BPR) | BPR is strict for biocidal claims. Chemical purity matters. |
| 🇬🇧 UK | 2828.10.00 |
0% - 5% | UK BPR | Post-Brexit rules apply. |
| 🇦🇺 Australia | 2828.10.00 |
5% | AICIS Registration | Strict chemical inventory rules. |
📌 Conclusion:
- USA: Tariff burden is extreme (15-40%). Optimization of HS Code (Chapter 28 vs 38) is critical for cost control.
- EU/Asia: Focus more on safety certifications (BPR, CLP, AICIS) than tariff differences.
📌 VI. Common Errors & Pitfalls Guide (Blood & Tears Lessons)
❌ Error 1: Declaring "Hypochlorite" as "Chloride" to save duty
👉 Consequence: Customs chemical analysis proves it is hypochlorite → Penalty + Back Duty + Interest!
❌ Error 2: Using vague description "Disinfectant" without chemical detail
👉 Consequence: Customs cannot determine HS Code → Hold for Inspection + Delayed Release + Storage Fees.
❌ Error 3: Ignoring EPA Registration (US) or BPR (EU)
👉 Consequence: Seizure of Goods if biocidal claims are made without registration. This is separate from HS Code but critical for "Biocide" products.
❌ Error 4: Assuming "Custom Formulation" automatically means Chapter 38
👉 Consequence: If the formulation is essentially a pure inorganic salt with minor impurities, Chapter 28 is correct. Misclassifying to Chapter 38 (40%) unnecessarily increases costs.
✅ Correct Practice:
"Calcium Hypochlorite, Technical Grade, 65% Active Chlorine, Inorganic Oxidizing Agent, for Disinfection Use, CAS No. 7778-54-3"
🎯 VII. Conclusion: Professional Declaration, Cost Efficiency, Compliance!
🎯 Remember the Mantra:
🔹 "Check CAS Number First. Hypochlorite = ~38%, Chloride = ~15.5%. Pure Chemical = Ch 28, Prepared Biocide = Ch 38."
🔹 "EPA/BPR Registration is Mandatory for Biocides. No Registration = No Clearance."
📌 Pro Tip:
If your inorganic biocide is originally produced in Vietnam, Thailand, or Malaysia, you may qualify for lower Section 301 tariffs or FTA benefits.
Recommend applying for a Pre-Ruling (Advance Ruling) from US Customs to confirm the HS Code and duty rate before shipment.
📣 Immediate Action:
📞 Contact Professional Customs Broker + Provide SDS + Apply for HS Code Pre-Ruling
🚀 Ensure your Inorganic Biocide, compliantly cleared, cost-efficient, and profit-maximized!
✨ Professional Clearance Starts with Precise Classification!
💼 Every cent of your cost deserves precise calculation!
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.