Salicylic acid
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π§ͺ Salicylic Acid & Its Derivatives (Chemical & Pharmaceutical Goods)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Really Know "Salicylic Acid"?
Salicylic Acid is a beta hydroxy acid (BHA) widely used in both chemical manufacturing and pharmaceutical applications. In international trade, it is critically distinguished by its intended use and purity formulation, which directly dictates its Harmonized System (HS) Code and tariff burden.
It falls into two primary categories:
- Raw Chemical Material (Non-Medicinal): Pure salicylic acid or its salts, intended for industrial use (e.g., polymer production, cosmetic raw materials) or general chemical synthesis.
- Pharmaceutical Formulations: Products put up in measured doses or retail packings for therapeutic/prophylactic use, or drugs primarily affecting the central nervous system (CNS) containing aspirin (O-Acetylsalicylic acid).
β οΈ Key Distinction Point:
- If the product is pure chemical or salts suitable for medicinal use but not in measured/retail doses β It falls under Heading 2918.
- If the product is a finished drug (pill, cream, liquid) for retail sale or therapeutic use β It falls under Heading 3004.
- Note: Aspirin (Acetylsalicylic acid) is chemically distinct from Salicylic Acid. Aspirin-containing drugs are classified differently (under CNS agents) compared to pure Salicylic Acid.
π¦ II. HS Code Classification Details (Authoritative 2026 Tariffε―Ήη §)
| HS Code | Product Description | Applicable Scenario | Key Identification Features |
|---|---|---|---|
2918.21.10.00 |
Salicylic acid and its salts: Suitable for medicinal use | High-purity salicylic acid intended for pharmaceutical manufacturing; bulk chemical for medicinal purposes. | β
Chemical Form: Pure acid/salt. β Use: "Suitable for medicinal use" (but not yet final drug form). β NOT finished dosage form. |
2918.21.50.00 |
Salicylic acid and its salts: Other | Salicylic acid for non-medical uses (e.g., cosmetics, industrial synthesis, wood preservation) or salts not meeting medicinal standards. | β
Use: Industrial/Cosmetic/Raw material. β Form: Bulk chemical. |
3004.90.92.33 |
Medicaments: Primarily affecting CNS: Analgesics... Containing O-Acetylsalicylic Acid (Aspirin) | Finished drugs containing Aspirin (not pure salicylic acid), put up in measured doses or retail packs. | β
Content: Contains Aspirin. β Form: Measured dose/Retail pack. β οΈ Different from Salicylic Acid: This is for Aspirin-based drugs. |
3004.90.92.44 |
Medicaments: Dermatological agents and local anesthetics: Other | Topical creams, ointments, or solutions containing salicylic acid derivatives for dermatological use, put up for retail/therapeutic use. | β
Form: Cream/Ointment/Solution. β Use: Dermatological/Therapeutic. β Pack: Retail/Measured dose. |
π Critical Reminder:
- Pure Salicylic Acid (chemical) vs. Salicylic Acid Drugs (pharmaceutical): Do not mix these. Chemical goods go to 2918; Finished drugs go to 3004. - Aspirin vs. Salicylic Acid: Aspirin (Acetylsalicylic acid) is a different compound. Drugs containing Aspirin are classified under 3004.90.92.33, not under Salicylic Acid codes. - "Suitable for Medicinal Use" in Heading 2918 refers to the potential or quality standard (pharma grade) of the chemical, not the final dosage form.
π° III. 2026 Latest Tariff Rate Analysis (Detailed Breakdown)
β Context: Based on the provided data, we assume import into a jurisdiction with standard base rates and potential trade war surcharges (e.g., US/China context implied by the 31.5% total).
π― 1. 2918.21.10.00 ββ Salicylic Acid/Salts (Medicinal Grade Chemical)
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Additional Tariff (Retaliation/Surcharge) | +25.0% (Applied on Chinese origin goods in many Western markets) |
| Total Tax Rate | 31.5% |
| Tax Calculation | CIF Value Γ 31.5% |
| De Minimis Exemption | β Not Applicable (Chemicals usually exceed de minimis thresholds or are restricted). |
| Legal Basis | Base Rate 6.5% + Additional Duty 25.0% |
π Explanation:
- This is a high-cost chemical entry due to the combination of base duty and additional trade tariffs. - The "Medicinal Use" classification triggers the 6.5% base rate, which is higher than the "Other" category. - Total 31.5% significantly impacts profit margins for bulk chemical importers.
π― 2. 2918.21.50.00 ββ Salicylic Acid/Salts (Other/Industrial Grade)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | $0 |
| De Minimis Exemption | β Potentially Applicable (if value is low and not restricted). |
| Legal Basis | Free Trade Preference or Non-Restricted Category |
π Explanation:
- Tax-Free! This code is for non-medical or industrial use (e.g., cosmetic raw materials, polymer precursors). - Strategy: If the salicylic acid is not intended for direct human consumption in pharmaceutical form, ensure documentation clearly states "Industrial Use" or "Cosmetic Raw Material" to qualify for 0% tariff. - Risk: Misdeclaring medicinal-grade chemical as "Other" can lead to severe penalties for fraud.
π― 3. 3004.90.92.33 ββ Medicaments Containing Aspirin
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | $0 |
π Explanation:
- Finished pharmaceutical products containing Aspirin enjoy 0% tariff. - This highlights the importance of correct chemical naming: Aspirin β Salicylic Acid.
π― 4. 3004.90.92.44 ββ Dermatological Agents (Salicylic Acid Creams/Ointments)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | $0 |
π Explanation:
- Finished dermatological products (creams, lotions) containing salicylic acid for skin treatment are also 0% taxed. - These are classified as "Other" dermatological agents, not as the raw chemical.
π οΈ IV. Customs Clearance Practical Advice (Pitfall Avoidance)
β 1. Documentation Checklist (Essential)
| Document | Required | Explanation |
|---|---|---|
| β Certificate of Analysis (COA) | βοΈ | Must specify purity, grade (Pharma vs. Industrial), and intended use. |
| β Intended Use Statement | βοΈ | Clearly state: "For Industrial/Cosmetic Use" (to get 0%) OR "For Pharmaceutical Manufacturing" (to get 31.5%). |
| β MSDS (Safety Data Sheet) | βοΈ | Required for chemical handling and safety compliance. |
| β Commercial Invoice | βοΈ | Must accurately describe the product (e.g., "Salicylic Acid, Pharma Grade" vs. "Salicylic Acid, Industrial Grade"). |
| β Drug Registration/Approval Docs | βοΈ | If importing 2918.21.10.00, some countries require proof of medicinal suitability. |
| β Packing List | βοΈ | Detail net/gross weight, package type (drums, bags). |
β 2. Declaration Tips (Key Mnemonic)
π₯ βUse Defines Code, Grade Defines Tax, Aspirin is Not Salicyl!β
| Scenario | Correct HS Code | Wrong Code | Consequence |
|---|---|---|---|
| Pure Salicylic Acid, Pharma Grade | 2918.21.10.00 (31.5%) |
2918.21.50.00 |
Audit Risk: Misclassification, penalty, back taxes. |
| Pure Salicylic Acid, Industrial/Cosmetic | 2918.21.50.00 (0%) |
2918.21.10.00 |
Overpayment: You pay 31.5% instead of 0%. |
| Aspirin Pills | 3004.90.92.33 (0%) |
2918.21.10.00 |
Classification Error: Aspirin is a different chemical heading. |
| Salicylic Acid Cream | 3004.90.92.44 (0%) |
2918.21.50.00 |
Classification Error: Finished drug is not a raw chemical. |
β 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| Dual-Use Chemical | If salicylic acid can be used for both pharmaceutical and industrial purposes, provide a Letter of Intent from the buyer specifying non-medical use to qualify for 0% tax. |
| Importing for R&D | If importing small quantities for research, check if R&D Import Exemption applies, but ensure HS code matches the physical product. |
| Aspirin vs. Salicylic Acid | Never confuse these in customs declarations. Aspirin is O-Acetylsalicylic Acid. Salicylic Acid is 2-Hydroxybenzoic Acid. |
| Cosmetic Raw Materials | Ensure the supplier provides a certificate stating the product is "Not for Direct Human Consumption" if claiming 0% industrial rate. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Key Certification | Remarks |
|---|---|---|---|---|
| πΊπΈ USA | 2918.21.50.00 |
0% (if industrial) | FDA (if medicinal) | 31.5% if misclassified as medicinal grade. |
| πΊπΈ USA | 2918.21.10.00 |
31.5% (6.5% + 25%) | FDA/Drug Master File | High tariff for pharma-grade chemicals. |
| π¨π³ China | 2918.21.50.00 |
5% (typical MFN) | None | Lower base rate than US. |
| πͺπΊ EU | 2918.21.50.00 |
5.3% | REACH Registration | REACH compliance is mandatory. |
| π¬π§ UK | 2918.21.50.00 |
5.3% | UKCA/REACH | Post-Brexit rules apply. |
π Conclusion:
- Industrial/Cosmetic Grade is the most tax-efficient path (0% in US, low elsewhere). - Medicinal Grade incurs high tariffs in protectionist markets (like the US). - Finished Drugs (Aspirin/Creams) are generally 0% taxed but require strict regulatory approvals (FDA, EMA).
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring Pharma-Grade Salicylic Acid as "Other" to avoid 31.5% tax.
π Consequence: Customs audit reveals COA shows pharma purity β Penalty + Back Taxes + Seizure.
β Error 2: Confusing Aspirin with Salicylic Acid.
π Consequence: Wrong HS code (2918 instead of 3004) β Customs delay, reclassification, and potential fine.
β Error 3: Importing Salicylic Acid Cream as a "Chemical Raw Material".
π Consequence: Drug regulatory body (FDA/EMA) rejects shipment as an unapproved drug.
β Error 4: Ignoring REACH (EU) or TSCA (US) chemical registration.
π Consequence: Shipment blocked at border due to lack of chemical safety registration.
β Correct Practice:
"Salicylic Acid, 99% Purity, for Industrial Use Only, Not for Human Consumption, HS Code 2918.21.50.00"
π― VII. Conclusion: Strategic Sourcing for Cost Efficiency
π― Remember the Strategy:
πΉ "If it's for skin care or factory use, declare 'Industrial' β 0% Tax."
πΉ "If it's for pill-making, expect 31.5% in US."
πΉ "If it's a finished cream or pill, use HS 3004 β 0% Tax."
πΉ "Aspirin is NOT Salicylic Acid in Customs Eyes!"
π Pro Tip:
If you are importing Salicylic Acid for cosmetic formulations, ensure the supplier provides a "Non-Medicinal Use Certificate". This allows you to classify under 2918.21.50.00 (0% tariff) instead of 2918.21.10.00 (31.5%). This can save 31.5% on every kilogram imported.
π£ Immediate Action:
π Verify your product's Intended Use with the supplier.
π Request COA and Use Statement.
π Choose the correct HS Code to minimize tax and ensure compliance.
β¨ Accurate Classification, Lower Costs, Faster Clearance!
πΌ Don't Let a 31.5% Tax Erase Your Margin!
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.