Industrial Grade Cinnamic Acid
CN โ USAI Analysis
๐งช Industrial Grade Cinnamic Acid (3-Phenylprop-2-enoic Acid)
๐ HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Import Strategy for Chemicals
๐ I. Product Definition and Classification: What is "Industrial Grade Cinnamic Acid"?
Cinnamic Acid is an organic compound with the formula $C_9H_8O_2$. It is a white crystalline solid with a pleasant odor. In international trade, it is primarily used as an intermediate in the production of perfumes, flavorings, pharmaceuticals, and sunscreen agents (such as octyl methoxycinnamate).
Crucial Distinction: "Industrial Grade" vs. "Pharmaceutical/food Grade" While the chemical structure is identical, customs classification often hinges on the purity and intended use declared in documentation, though strictly speaking, HS codes are based on chemical nature.
- Primary Category: It falls under Chapter 29 (Organic Chemicals), specifically heading 2916 (Unsaturated acyclic acids with oxygen function).
- Key Identifier: The parent acid of cinnamic acid is Cinnamic acid (not to be confused with benzoic acid or other aromatic acids).
โ ๏ธ Critical Classification Point:
- If it is pure cinnamic acid ($C_9H_8O_2$) โ 2916.31.00.00
- If it is a salt or ester (e.g., Cinnamic Acid Ethyl Ester) โ Different subheading under 2916.32 or 2916.33.
- Note: Many importers mistakenly classify it under 2916.39 (Other) or even 3301/3302 (Essential Oils/Flavors) if they have strong odors. Pure cinnamic acid is an organic chemical, NOT an essential oil, and must be classified under 2916.
๐ฆ II. HS Code Classification Details (2026 Latest Tariff Authority)
| HS Code | Product Description | Applicable Scenario | Chemical Structure |
|---|---|---|---|
2916.31.00.00 |
Cinnamic acid and its salts and esters | Pure Cinnamic Acid (Industrial/Pharma grade), Raw Material | $C_6H_5-CH=CH-COOH$ |
2916.32.00.00 |
Salts of Cinnamic acid | Sodium cinnamate, Calcium cinnamate | Ionic compounds |
2916.33.00.00 |
Esters of Cinnamic acid | Ethyl cinnamate, Benzyl cinnamate (Perfume ingredients) | Esterified forms |
2916.39.00.00 |
Other unsaturated acyclic carboxylic acids | Impure mixes, other derivatives not specified | Non-cinnamic variants |
3301.90.00.00 |
Essential oils (non-decituated) | Incorrect but sometimes seen if sold as "Oil of Cassia" (which contains cinnamaldehyde, not just acid) | โ Avoid unless it's an essential oil blend |
3824.99.90.00 |
Prepared binding agents / Chemical products | Incorrect for pure chemicals | โ Avoid unless heavily mixed with non-active carriers |
๐ Key Reminder:
- 2916.31.00.00 is the correct HS Code for Cinnamic Acid itself.
- Do not classify under 2910.90 (Ethers) or 2914.20 (Ketones).
- "Industrial Grade" implies lower purity (e.g., 98% vs 99.5% Pharma), but the HS code remains 2916.31.00.00 unless it is a mixture/preparation.
๐ฐ III. 2026 Latest Tariff Rate Details (USA Import from China)
โ Applicable Country: United States (US)
โ Origin: China (CN)
โ Effective Time: 2025โ2026 Tariff Schedule (Section 301 / IEEPA)
๐ฏ 1. 2916.31.00.00 โโ Cinnamic Acid (Industrial Grade)
| Item | Details |
|---|---|
| Base MFN Rate | 5.3% (Ad Valorem) |
| USITC Additional Duty (Section 301) | +7.5% (List 4B - Most chemicals fall here) |
| IEEPA Additional Duty (China-specific) | +10% (Effective Nov 10, 2025, for products meeting criteria) |
| Total Tariff Rate | 22.8% |
| Tax Calculation | CIF Value ร 22.8% |
| De Minimis Eligibility | โ No (Deny De Minimis for chemical imports from CN if >$800) |
| Legal Path | IEEPA:9903.01.25 โ USITC:2916.31.00.00 โ FOOTNOTE:301-4B |
๐ Explanation:
- Cinnamic acid is considered an organic chemical intermediate.
- Under Section 301, most chemicals from China are subject to an additional 7.5% tariff.
- The new IEEPA 10% surcharge applies to many industrial inputs from China.
- Total Effective Rate: ~22.8%. This is a significant cost factor for manufacturers.๐ Note on "Industrial Grade":
- Even if labeled "Industrial Grade," if the chemical is cinnamic acid, it remains 2916.31.00.00.
- Purity differences (98% vs 99%) do not change the HS Code, but may affect valuation (Customs Value). Ensure the Invoice reflects the actual transaction value.
๐ ๏ธ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
โ 1. Documentation Checklist (Essential for Chemicals)
| Document | Required | Description |
|---|---|---|
| โ Material Safety Data Sheet (MSDS/SDS) | โ๏ธ Mandatory | Must be GHS compliant. Classify as: Skin Irritant, Eye Irritant. UN Number: UN 3082 (If dangerous goods) or UN 1866 (If solid, non-hazardous). |
| โ Certificate of Analysis (COA) | โ๏ธ Mandatory | Shows purity % (e.g., โฅ98%). Critical for verifying it is not a mixture. |
| โ Product Specification Sheet | โ๏ธ Recommended | Details crystal form, melting point, odor. |
| โ Commercial Invoice | โ๏ธ Mandatory | Must explicitly state: "Cinnamic Acid, Industrial Grade, CAS No. 621-82-9" |
| โ Free Sale Certificate / EEC Certificate | โ๏ธ If applicable | For food/pharma end-use, though this is "Industrial." |
| โ CAS Number Declaration | โ๏ธ Crucial | CAS 621-82-9 must be clearly stated to avoid misclassification. |
โ 2. Declaration Tips (Key Mnemonics)
๐ฅ "CAS 621-82-9, Chapter 29, Not Oil!"
| Scenario | Correct Declaration | Incorrect Declaration | Consequence |
|---|---|---|---|
| Pure Cinnamic Acid | 2916.31.00.00 |
3301.90.00.00 (Essential Oil) |
Misclassification Penalty. Rate may differ, but chemical nature is wrong. |
| Cinnamic Acid in Solvent | 3824.99.90.00 (Preparation) |
2916.31.00.00 (Pure Chem) |
Incorrect HS. If dissolved, it's a preparation, not pure acid. |
| "Cinnamon Oil" containing Cinnamaldehyde | 3301.90.00.00 |
2916.31.00.00 |
Wrong Code. Cinnamaldehyde is different from Cinnamic Acid. |
| Industrial Grade (98%) | 2916.31.00.00 |
2916.39.00.00 (Other) |
Avoid "Other". Specific name (Cinnamic Acid) takes precedence. |
โ 3. Special Handling for "Industrial Grade"
| Situation | Handling Advice |
|---|---|
| Solid vs. Liquid | Cinnamic acid is a solid at room temperature. Ensure packaging is dry and sealed to prevent clumping. |
| Dangerous Goods (DG) | Usually Non-DG if pure and dry. However, if it contains impurities or is wetted, check UN 3082. Provide MSDS to carrier. |
| Purity Claims | If you claim "Industrial Grade" (98%), but lab test shows 95%, Customs may audit. Be conservative in labeling. |
| End-Use Declaration | Clearly state: "For use in perfume synthesis, plasticizers, or pharmaceutical intermediates." Do not say "For Food" unless it is Food Grade with proper certifications. |
๐ V. Global Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| ๐บ๐ธ USA | 2916.31.00.00 |
22.8% (5.3% + 7.5% + 10%) | TSCA Compliance (EPA) | High tariff impact. |
| ๐จ๐ณ China | 2916.31.00.00 |
0%โ5% (Import Duty) | None specific | Low import duty for raw materials. |
| ๐ช๐บ EU | 2916.31.00 |
6.5% | REACH Registration | REACH registration required for volumes >1 ton/year. |
| ๐ฌ๐ง UK | 2916.31.00 |
6.5% | UK REACH | Post-Brexit regulations apply. |
| ๐ฏ๐ต Japan | 2916.31.00 |
0%โ2.5% | FSCA Compliance | Low tariff for chemical intermediates. |
| ๐ฎ๐ณ India | 2916.31.00 |
7.5% + SWS | BIS Certification | Check for Anti-Dumping duties on specific chemical imports. |
๐ Conclusion:
- USA is the most expensive market due to Section 301 and IEEPA tariffs.
- EU requires REACH compliance, which is a significant regulatory hurdle for new imports.
- India may have anti-dumping measures; verify current AD orders on cinnamic acid.
๐ VI. Common Mistakes & Pitfalls (Lessons Learned)
โ Mistake 1: Classifying Cinnamic Acid under 3301 (Essential Oils) because it smells like cinnamon.
๐ Consequence: Rejection by Customs. Cinnamic Acid is a chemical, not an essential oil. The oil contains Cinnamaldehyde.
โ
Fix: Always use HS 2916.31.00.00 for pure Cinnamic Acid.
โ Mistake 2: Ignoring TSCA (Toxic Substances Control Act) in the USA.
๐ Consequence: Goods detained at US Border.
โ
Fix: Ensure your supplier has a TSCA Inventory Certification stating the chemical is listed on the TSCA Inventory.
โ Mistake 3: Labeling as "Food Grade" when it is "Industrial Grade."
๐ Consequence: FDA Violation. Industrial grade may contain heavy metals or impurities not allowed in food.
โ
Fix: Clearly label as "Industrial Grade โ Not for Food or Pharmaceutical Use" unless specifically certified.
โ Mistake 4: Not providing MSDS.
๐ Consequence: Carrier refusal. Many freight forwarders refuse chemicals without proper MSDS.
โ
Fix: Always provide a GHS-compliant MSDS and UN Classification.
๐ฏ VII. Conclusion: Professional Declaration, Save Costs, Avoid Delays!
๐ฏ Remember the Rules:
๐น "CAS 621-82-9, HS 2916.31, Not an Oil!"
๐น "US Tariff is ~23%, EU needs REACH, India checks AD!"
๐น "Industrial Grade โ Food Grade! Label Clearly!"
๐ Pro Tip:
If you are importing large volumes to the USA, consider Section 301 Exclusions. Check the USTR website for any valid exclusions for Cinnamic Acid. If available, you can save 7.5%โ25% in duties.
Also, ensure your supplier provides TSCA Compliance documents for US imports to avoid detention.
๐ฃ Immediate Action:
๐ Contact your freight forwarder with MSDS and CAS 621-82-9.
๐ Verify TSCA Certification from your supplier.
๐ฐ Calculate the 22.8% US Duty into your cost model.
โจ Precision in Chemical Classification Means Profit in Your Pocket!
๐ผ Donโt let Customs delays kill 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) โ Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) โ More specific grouping within the chapter
- Subheading (6 digits) โ Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) โ 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 โ The standard duty rate applied to WTO members
- General rate โ Applied to countries without trade agreements
- Trade remedy duties โ 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.