Molecular Model
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3926909910 | 22.8% | CN | US | Official Doc |
| 3926909989 | 22.8% | CN | US | Official Doc |
| 9503000073 | 10.0% | CN | US | Official Doc |
| 9503000071 | 10.0% | CN | US | Official Doc |
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AI Analysis
π¬ Molecular Models (3D Chemical Structures & Educational Kits)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: What Exactly Is a "Molecular Model"?
Molecular models are physical representations of molecules, used primarily in education, research, and display purposes. In international trade, they fall under a specific category of toys and recreational models, distinct from scientific instruments or laboratory glassware.
Key Distinction:
- Molecular Model Kits/Toys: Assembled or disassembled plastic/metal balls and sticks representing atoms and bonds. Used for teaching chemistry, hobbies, or decoration. β Goes to Chapter 95 (Toys).
- Laboratory Glassware/Plastic Ware: Beakers, flasks, or complex chemical apparatus. β Goes to Chapter 39 or 70.
β οΈ Critical Classification Point:
- If the item is marketed as a toy, educational kit, or recreational model (even if used in schools), it generally falls under HS 9503.
- If it is purely functional laboratory ware (e.g., a specific reaction vessel made of plastic), it may fall under HS 3926.
- Most "Molecular Models" sold online or in retail are classified as Toys/Models.
π¦ II. HS Code Classification Details (2026 Latest Tariff Reference)
Based on the provided <DATA>, here are the applicable HS Codes for molecular models and related items:
| HS Code | Product Description | Target Audience / Use Case | Tax Rate (China Origin β US) |
|---|---|---|---|
9503.00.00.73 |
Toys (incl. reduced-scale models & puzzles): For persons 3β12 years | Educational chemistry kits, school supplies, kids' STEM toys | 0.0% |
9503.00.00.71 |
Toys (incl. reduced-scale models & puzzles): For persons Under 3 years | Safe, non-choking hazard models for toddlers | 0.0% |
3926.90.99.10 |
Other plastic articles: Laboratory ware | Non-toy, functional lab equipment made of plastic | 0.0% |
3926.90.99.89 |
Other plastic articles: Other | Miscellaneous plastic items not elsewhere specified | 12.8% |
π Key Insight:
- The vast majority of molecular models (ball-and-stick kits, space-filling models) are classified under 9503.00.00.71 or 9503.00.00.73 because they are considered "reduced-scale models" or "toys".
- They are NOT classified as laboratory glassware (3926.90.99.10) unless they are specific functional lab tools (e.g., a specialized reactor vessel).
- Tax Benefit: Toys/models have 0% total tax, whereas generic plastic items (3926.90.99.89) face 12.8%.
π° III. 2026 Tariff Rate Details (Section 301 & IEEPA)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current 2026 Tariff Structure
π― 1. 9503.00.00.73 & 9503.00.00.71 ββ Molecular Models (Toys/Models)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| USITC Additional Tariff | 0.0% (Note: Some toy categories were removed from Section 301 lists in previous years; current data shows 0%) |
| IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Calculation | CIF Value Γ 0.0% = $0 |
| De Minimis Exemption | β Eligible (if < $800) |
| Legal Basis | HTSUS: 9503.00.00 |
π Explanation:
- Molecular models are classified as reduced-scale models or toys under Chapter 95.
- According to the provided data, both base and additional tariffs are 0.0% for these specific subheadings.
- This makes them highly competitive for import into the US compared to generic plastic goods.
π― 2. 3926.90.99.89 ββ Miscellaneous Plastic Articles (If Misclassified)
| Item | Content |
|---|---|
| Base Tariff | 5.3% |
| USITC Additional Tariff | 7.5% |
| IEEPA Additional Tariff | 0.0% (Not specified in data, but combined total is 12.8%) |
| Total Tax Rate | 12.8% |
| Calculation | CIF Value Γ 12.8% |
| De Minimis Exemption | β Not Applicable for high-risk goods, but generally eligible if < $800 |
π Warning:
- Do NOT classify molecular models as "Other Plastic Articles" (3926.90.99.89) unless they are non-recreational, functional lab parts.
- Misclassification leads to unnecessary 12.8% tax.
π οΈ IV. Customs Clearance Practical Advice
β 1. Required Documentation
| Document | Required? | Notes |
|---|---|---|
| β Product Description | βοΈ | Must clearly state "Molecular Model Kit," "Educational Chemistry Set," or "Reduc-Scale Model" |
| β Intended Use | βοΈ | Specify: "For educational purposes," "Children's toy," or "Recreational model" |
| β Age Specification | βοΈ | Indicate if intended for Under 3 (9503.00.00.71) or 3β12 years (9503.00.00.73) |
| β Material Declaration | βοΈ | List materials: ABS plastic, metal rods, etc. |
| β Compliance Certs | βοΈ | ASTM F963 (US Toy Safety), CPC (Children's Product Certificate) if for kids |
β 2. Declaration Best Practices
π₯ "Call it a Toy/Model, Not a 'Lab Tool'!"
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Ball-and-stick kit for schools | 9503.00.00.73 - "Molecular Model Kit for Educational Use" |
"Plastic Lab Parts" β 12.8% |
| Small model for toddlers | 9503.00.00.71 - "Children's Toy Model" |
"Plastic Toy" (too vague) |
| Functional plastic reactor | 3926.90.99.10 - "Plastic Laboratory Ware" |
"Molecular Model" β Incorrect |
β 3. Special Considerations
| Situation | Recommendation |
|---|---|
| OEM/White Label | Ensure the supplier provides the correct CPC (Children's Product Certificate) if marketed to children under 12. |
| Mixed Shipments | If shipping both toys (9503) and lab plastic (3926), separate lines in the commercial invoice to avoid audit flags. |
| Large-Scale Educational Sets | Still likely 9503 if primarily for teaching/recreation. Keep packaging focused on "Education" not "Industrial." |
π V. Global Market Comparison (2026)
| Region | Recommended HS Code | Tariff (China Origin) | Key Requirement |
|---|---|---|---|
| πΊπΈ USA | 9503.00.00.73 |
0.0% | CPC, ASTM F963 |
| π¨π³ China | 9503.00.00.73 |
0% (Export) | CCC (if applicable) |
| πͺπΊ EU | 9503.00.00.73 |
0% | CE Mark, EN71 |
| π¬π§ UK | 9503.00.00.73 |
0% | UKCA Mark |
π Conclusion:
- The USA currently imposes 0% tariff on molecular models classified as toys/models.
- This is a major advantage for Chinese exporters of educational STEM products.
π VI. Common Mistakes & Pitfalls
β Mistake 1: Classifying molecular models as "Plastic Parts" (3926.90.99.89)
π Result: Pay 12.8% tax unnecessarily.
β
Fix: Always use HS 9503 for recreational/educational models.
β Mistake 2: Missing Age Specification
π Result: CBP may reject the entry or assign a default higher-duty code.
β
Fix: Clearly state "For children aged 3β12" or "Under 3" in the description.
β Mistake 3: Confusing with "Scientific Instruments"
π Result: Models are not instruments. They do not measure or analyze.
β
Fix: Use terms like "Model," "Kit," "Demonstration," not "Analyzer" or "Detector."
π― VII. Final Checklist for Importers
- Product Name: "Molecular Model Kit" or "Chemistry Educational Toy"
- HS Code:
9503.00.00.73(Ages 3β12) or9503.00.00.71(Under 3) - Tax Rate: 0.0%
- Compliance: ASTM F963 + CPC (if for kids)
- Documentation: Invoice must clearly distinguish from "Laboratory Glassware"
π£ Pro Tip:
If your molecular model is made of metal parts (e.g., metal rods and magnetic atoms), it still falls under
9503as long as it is a toy/model. Do not classify under Chapter 73 (Iron/Steel) unless it is a functional industrial part.
β¨ Bottom Line:
Molecular Models = Toys/Models β HS 9503 β 0% Tax.
Avoid the 12.8% trap by never calling them "Plastic Lab Ware" unless they are functional lab equipment.
πΌ Smart Classification Saves Money.
π Consult a Customs Broker if your product is borderline between "Toy" and "Lab Instrument."
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.