细菌培养试剂
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3822190080 | 10.0% | CN | US | Official Doc |
| 3822190040 | 10.0% | CN | US | Official Doc |
AI Analysis
🦠 Bacterial Culture Reagents (Diagnostic/Laboratory Reagents on a Backing or in Kits)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition and Classification: Do You Understand "Bacterial Culture Reagents"?
Bacterial culture reagents are specialized chemical or biological materials used for the isolation, identification, or enumeration of bacteria in clinical, industrial, or research settings. In international trade, these are generally classified under Chapter 38 as "Diagnostic or Laboratory Reagents," specifically distinct from finished pharmaceutical products (Heading 3006).
They are typically categorized into two main forms: 1. On a Backing / Kits: Reagents impregnated on strips, slides, or agar plates, or pre-packaged kits for specific tests. 2. Other Prepared Reagents: Loose reagents or solutions not put up in the specific forms mentioned above, provided they are not heading 3006 products.
⚠️ Critical Distinction Point: - If the reagent contains specific hazardous solvents (like methyl chloroform or carbon tetrachloride), it falls into a specific sub-category due to environmental regulations. - If it does not contain these specific hazardous solvents, it falls under the general "Other" category. - Note: Reagents put up as kits for diagnostic use are explicitly included in Heading 3822.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, the relevant HS Codes for Bacterial Culture Reagents are:
| HS Code | Product Description | Applicable Scenario | Hazardous Content |
|---|---|---|---|
3822.19.00.80 |
Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; ... : Other | General Bacterial Culture Media: Agar plates, culture strips, diagnostic kits for bacteria, reagent slides (without specific restricted solvents). | ❌ No (Does not contain Methyl Chloroform or Carbon Tetrachloride) |
3822.19.00.40 |
... : Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride | Specialized Reagents with Hazardous Solvents: Rare for standard bacterial culture, but applies if the reagent preparation specifically uses 1,1,1-trichloroethane or carbon tetrachloride as a key component. | ✅ Yes (Contains Methyl Chloroform or Carbon Tetrachloride) |
🔍 Key Reminder: - Most standard bacterial culture media (agar, broth) and diagnostic kits (e.g., Gram stain kits, rapid identification strips) will fall under
3822.19.00.80. - The presence of Carbon Tetrachloride or Methyl Chloroform is rare in modern bacterial culture but must be declared if present, leading to code3822.19.00.40.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN) (Note: Tax rates provided in data are 0%, but verify local origin rules)
✅ Validity: Current as per provided data
🎯 1. 3822.19.00.80 —— General Diagnostic/Laboratory Reagents (e.g., Standard Bacterial Culture Reagents)
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% |
| Section 301 Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Eligibility | ✅ Yes (Likely eligible under Section 321 if value < $800, but subject to FDA/USDA regulations for biologicals) |
| Legal Basis Path | USITC:3822.19.00.80 |
📌 Explanation: - Standard bacterial culture reagents, agar plates, and diagnostic kits (non-hazardous solvent type) enjoy a 0% tariff rate. - There are no additional Section 301 tariffs applied to this specific sub-code in the provided data. - Cost Advantage: This is a duty-free entry point, making it highly competitive for US importers.
🎯 2. 3822.19.00.40 —— Reagents Containing Methyl Chloroform or Carbon Tetrachloride
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% |
| Section 301 Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% = $0 |
| De Minimis Eligibility | ❓ Check Restrictions (Environmental/Solvent regulations may apply) |
| Legal Basis Path | USITC:3822.19.00.40 |
📌 Note: - While the tariff is also 0%, the presence of Carbon Tetrachloride or Methyl Chloroform triggers strict EPA and OSHA regulations. - These substances are often phased out or heavily restricted. Ensure compliance with Montreal Protocol and EPA TSCA rules before importing.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
✅ 1. Document Checklist (No Exceptions)
| Document | Required | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly list ingredients, especially solvents. State "No Carbon Tetrachloride" if using 3822.19.00.80. |
| ✅ Certificate of Origin (CO) | ✔️ | To prove origin for tariff calculation (even if 0%, it's required for customs entry). |
| ✅ Commercial Invoice | ✔️ | Must describe items as "Bacterial Culture Reagents, Diagnostic Kits" or "Agar Plates." Avoid vague terms like "Chemical Samples." |
| ✅ Safety Data Sheet (SDS) | ✔️ | Critical for determining Hazard Class. If SDS shows no hazardous solvents, it supports 3822.19.00.80. |
| ✅ FDA Registration/Listing | ✔️ | Critical: Most diagnostic reagents fall under FDA jurisdiction. Ensure prior notice and FDA facility registration are complete. |
| ✅ Packing List | ✔️ | Detail quantity, weight, and packaging type (e.g., "Sterile Agar Plates, 100 units/box"). |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Specify Type, Declare Solvents, Follow FDA, Zero Duty Flow!"
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Standard Bacterial Agar/Kits | 3822.19.00.80 - "Bacterial Culture Reagents, Agar Plates, Not Put Up for Therapeutic Use" |
Misdeclare as "Food Ingredients" or "General Chemicals" |
| Reagents with Special Solvents | 3822.19.00.40 - Clearly state "Contains Methyl Chloroform" |
Hide solvent content → Seizure & Penalties |
| Diagnostic Kits | 3822.19.00.80 - "Diagnostic Kit for Bacterial Identification" |
Declare as "Medical Devices" (Heading 9018) → Wrong Chapter, Higher Duty |
| Raw Culture Media (Bulk) | 3822.19.00.80 - "Prepared Diagnostic Reagents, Bulk" |
Declare as "Agricultural Products" → Plant Quarantine Issues |
✅ 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| Live Bacteria/Cultures | If the reagent contains live viable bacteria, it may require USDA/APHIS permission and fall under different biosecurity rules, not just 3822. Pure chemical media is fine under 3822. |
| Pathogenic Strains | Reagents for identifying BSL-2/3/4 pathogens require strict FDA and CDC registration. Declare accurately to avoid detention. |
| Kit Components | If a kit contains both chemical reagents and hardware (e.g., a reader), the principal character determines the HS Code. For pure diagnostic kits, 3822 is correct. |
| Origin: Non-China | If shipped from Vietnam or EU, IEEPA/301 tariffs do not apply. Confirm origin certificates to avoid unnecessary US-specific surcharges. |
🌍 V. Global Major Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3822.19.00.80 |
0% | FDA Prior Notice, FDA Registration | Zero duty for standard reagents. |
| 🇨🇳 China | 3822.90.00.00 |
0% | CIQ, NMPA (if diagnostic) | Import duties often 0%, but strict biosecurity checks. |
| 🇪🇺 EU | 3822 00 90 |
0% | REACH, CE Mark (if medical device) | Zero duty under EU-China agreements for many goods. |
| 🇬🇧 UK | 3822 00 90 |
0% | UKCA, HSE Regulations | Post-Brexit, ensure UK-specific importer details. |
| 🇯🇵 Japan | 3822 00 90 |
0-5% | PMDA (if IVD), JIS Standards | Check for specific phytosanitary rules if agar contains plant extracts. |
📌 Conclusion: - USA offers 0% duty for these reagents, making it a cost-effective destination. - Regulatory Compliance (FDA/USDA) is more critical than tariff costs. Do not ignore FDA notification.
📌 VI. Common Errors & Pitfall Guide (Blood-and-Tears Lessons)
❌ Error 1: Declaring "Bacterial Culture Media" as "Food Additives" 👉 Consequence: Detention by FDA/USDA for undeclared biologicals or improper labeling. Fines apply.
❌ Error 2: Failing to declare hazardous solvents (Carbon Tetrachloride) 👉 Consequence: Customs seizure for environmental violations. Heavy fines under EPA regulations.
❌ Error 3: Using vague descriptions like "Lab Chemicals" 👉 Consequence: Audit Delay. Customs needs specific product names (e.g., "Blood Agar Plates, 200 plates/box") to verify classification.
❌ Error 4: Ignoring FDA Prior Notice for IVD Reagents 👉 Consequence: Refusal of Entry. All food, drug, and device imports must have Prior Notice filed before arrival.
✅ Correct Practice:
"Bacterial Culture Reagents, Agar Plates, Sterile, For Laboratory Use Only, Not for Diagnostic in Humans (if applicable), Contains No Carbon Tetrachloride, FDA Prior Notice Filed."
🎯 VII. Conclusion: Professional Declaration Saves Time and Money!
🎯 Remember the Mantra:
🔹 "Zero Duty is Sweet, But FDA is the Gatekeeper!" 🔹 "Specify 'No Solvents' for 3822.19.00.80, Declare Hazards for .40!"
📌 Pro Tip:
If your bacterial culture reagents are non-viable (chemical media only), ensure you explicitly state "Non-Viable" on the invoice and SDS. This avoids unnecessary USDA biological import permits, speeding up clearance significantly.
📣 Immediate Action:
📞 Contact a customs broker specializing in FDA-regulated goods. 🚀 Prepare SDS and FDA Prior Notice documents. 💼 Ensure your HS Code
3822.19.00.80declaration includes detailed product specs to guarantee 0% Duty clearance!
✨ Professional Customs Clearance Starts with Accurate Classification! 💼 Your Every Dollar Saved is Calculated Precisely!
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.