Wood Chemical Buffer
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 3808990800 | 41.5% | CN | US | 官方文档 |
| 3808925080 | 40.0% | CN | US | 官方文档 |
| 2942003500 | 41.5% | CN | US | 官方文档 |
| 2942005000 | 38.7% | CN | US | 官方文档 |
商品图片
AI分析
🪵 Wood Chemical Buffer (Industrial & Agricultural Chemicals)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy 📌 I. Product Definition & Classification: Do You Really Know "Wood Chemical Buffer"?
"Wood Chemical Buffer" is not a standard harmonized system term but refers to chemical additives used in wood treatment, preservation, or processing to regulate pH levels, stabilize wood components, or act as a preservative agent. In international trade, these products generally fall into two main categories depending on their composition and end-use:
- Pure Organic Chemical Compounds: If the product is a specific, identifiable organic molecule (e.g., a specific aromatic compound used for buffering or treating wood) without pesticidal activity or formulated for retail sale, it is classified under Chapter 29.
- Prepared Pesticides/Fungicides: If the buffer contains active ingredients that act as insecticides, rodenticides, fungicides, or plant-growth regulators, and is put up in forms/packings for retail sale or as preparations, it is classified under Chapter 38.
⚠️ Key Distinction Point: - If the product is a pure organic substance (even if used for wood) and does not claim pesticidal function → Classify under 2942.00. - If the product is a preparation/formulation containing active pesticidal/fungicidal ingredients, or sold as a "disinfectant/similar product" for wood preservation → Classify under 3808.99 or 3808.92.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Cross-Reference)
Based on the provided data <DATA>, the potential HS Codes and their corresponding tax rates for products fitting the description of "Wood Chemical Buffer" (interpreted as either organic compounds or prepared pesticides) are as follows:
| HS Code | Product Description | Applicable Scenario | Tax Rate (US/CN) |
|---|---|---|---|
2942.00.35.00 |
Other organic compounds: Aromatic or modified aromatic: Other: Other: Other | Pure aromatic organic chemicals used as buffers or wood treatment agents | 31.5% |
2942.00.50.00 |
Other organic compounds: Other | Non-aromatic or unspecified organic compounds used as buffers | 0.0% |
3808.99.08.00 |
Insecticides, rodenticides, fungicides...: Other: Other: Containing any aromatic or modified aromatic pesticide | Formulated wood preservatives containing aromatic pesticide ingredients | 0.0% |
3808.92.50.80 |
Insecticides, rodenticides...: Other: Fungicides: Other: Other: Other Other | Formulated fungicidal wood treatments (non-aromatic pesticide base) | 30.0% |
🔍 Important Reminder: - "Wood Chemical Buffer" as a pure chemical: If it is an aromatic organic compound (common in many wood stabilizers), it likely falls under 2942.00.35.00 (31.5% tax). - "Wood Chemical Buffer" as a pesticide/prep: If it contains fungicides or insecticides for wood preservation, it falls under 3808. The rate depends on whether it contains aromatic pesticides (0.0%) or other fungicides (30.0%).
💰 III. 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US) ✅ Origin: China (CN) ✅ Effective Time: As per current USITC and USMCA/Section 301 regulations (2025-2026)
🎯 1. 2942.00.35.00 — Other Organic Compounds: Aromatic/Modified Aromatic
| Item | Content |
|---|---|
| Base Tariff | 6.5% (ad valorem) |
| Section 301 Surtax | +25.0% (Targeting Chinese-origin organic chemicals) |
| Total Tax Rate | 31.5% |
| Tax Calculation | CIF Value × 31.5% |
| De Minimis Exemption | ❌ Not Eligible (High tax burden prevents small package exemptions) |
| Legal Basis Path | USITC:2942.00.35.00 → Section 301: Footnote 9903.88.01 |
📌 Explanation: - The 6.5% is the standard MFN (Most Favored Nation) duty for "other organic compounds." - The 25.0% surcharge is imposed under Section 301 of the Trade Act of 1974 on specific Chinese goods, including many organic chemicals. - Total 31.5% is a significant cost factor. This rate applies if the product is a pure aromatic organic compound not classified as a pesticide.
🎯 2. 2942.00.50.00 — Other Organic Compounds: Other
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% |
| De Minimis Exemption | ✅ Eligible (If value < $800, may enter duty-free under Section 321) |
| Legal Basis Path | USITC:2942.00.50.00 |
📌 Note: - This code is for non-aromatic or unspecified organic compounds. - If your "Wood Chemical Buffer" is a non-aromatic organic compound (e.g., certain aliphatic buffers), the tax rate is 0%, offering significant cost savings. - Caution: Misclassification here when the product is actually aromatic (should be 31.5%) poses a high audit risk.
🎯 3. 3808.99.08.00 — Prepared Pesticides (Aromatic Base)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0% |
| De Minimis Exemption | ✅ Eligible (Depending on value and EPA registration status) |
| Legal Basis Path | USITC:3808.99.08.00 |
📌 Explanation: - This code covers preparations containing aromatic pesticides. - If the buffer is formulated as a wood preservative with active aromatic pesticide ingredients, the tax is 0%. - Regulatory Note: Requires EPA registration if marketed as a pesticide.
🎯 4. 3808.92.50.80 — Prepared Fungicides
| Item | Content |
|---|---|
| Base Tariff | 5.0% |
| Section 301 Surtax | +25.0% |
| Total Tax Rate | 30.0% |
| Tax Calculation | CIF Value × 30.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:3808.92.50.80 → Section 301: Footnote 9903.88.01 |
📌 Note: - This code applies to fungicides (non-aromatic pesticide base) in prepared forms. - If the wood buffer contains fungicidal properties but is not based on aromatic compounds, the rate is 30.0%. - Crucial: Distinguish between "aromatic pesticide" (0%) and "other fungicide" (30%).
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Documentation Checklist (All Required)
| Document | Required? | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must detail chemical composition, pH range, and primary function (buffer vs. pesticide). |
| ✅ MSDS/SDS (Safety Data Sheet) | ✔️ | Critical for customs to determine if the product is hazardous or regulated as a pesticide. |
| ✅ EPA Registration Certificate | ✔️ | Only if classified under 3808. If the product claims pest/fungicide control, EPA registration is mandatory. |
| ✅ Commercial Invoice | ✔️ | Must clearly describe the product as "Organic Chemical Compound" or "Prepared Pesticide," not just "Buffer." |
| ✅ Certificate of Origin (CO) | ✔️ | To prove non-Chinese origin if seeking exemptions (though data shows US/CN scenario). |
| ✅ Packaging Details | ✔️ | Retail-ready packaging often triggers Chapter 38 classification. |
✅ 2. Declaration Tips (Key Mnemonics)
🔥 “Pure Chemicals Go to 29, Prepared Pests Go to 38. Check Aromaticity, Save Big Fees!”
| Scenario | Correct HS Code | Incorrect Practice | Consequence |
|---|---|---|---|
| Pure aromatic organic buffer | 2942.00.35.00 |
Declare as 2942.00.50.00 |
Underpayment of 31.5% tax → Audit & Penalties |
| Non-aromatic organic buffer | 2942.00.50.00 |
Declare as 2942.00.35.00 |
Overpayment of 31.5% tax → Loss of Profit |
| Prepared fungicidal wood preservative | 3808.92.50.80 |
Declare as 2942.00.50.00 |
0% tax claimed, but actual 30% due → Seizure/Fines |
| Prepared aromatic pesticide buffer | 3808.99.08.00 |
Declare as 2942.00.35.00 |
31.5% tax claimed, but actual 0% due → Overpayment |
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Dual-Use Product (Buffer + Fungicide) | If the product contains active pesticidal ingredients, it must be classified under Chapter 38, even if it also buffers. EPA rules override general chemical rules. |
| Retail vs. Industrial Pack | Retail-sized packs are more likely to be considered "preparations" (Chapter 38). Bulk industrial drums may be treated as raw materials (Chapter 29). |
| "Modified Aromatic" Claim | Ensure the chemical structure is correctly identified. "Aromatic" triggers the 31.5% rate in Chapter 29, but 0% in Chapter 38. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Remarks |
|---|---|---|---|---|
| 🇺🇸 USA | 2942.00.35.00 or 3808.92.50.80 |
30.0% - 31.5% | EPA (if pesticide) | High tariffs on Chinese organic/pesticide goods. |
| 🇨🇳 China | 2942.00.35.00 or 3808.92.50.80 |
~6.5% - 10% | CCC (if applicable) | Lower base tariffs, but strict EPA-like regulations for imports. |
| 🇪🇺 EU | 2942.00 or 3808 |
~6.5% (Ch 29), ~6.5% (Ch 38) | REACH + ECHA | Requires REACH registration for chemicals. No Section 301 equivalent. |
| 🇯🇵 Japan | 2942.00 or 3808 |
~6.0% (Ch 29), ~6.0% (Ch 38) | Fertilizer Control Law | Strict classification for agricultural/wood chemicals. |
📌 Conclusion: - USA has the highest effective tariff (30-31.5%) due to Section 301 surcharges on Chinese-origin goods. - EU and Japan have more stable, lower base tariffs but strict regulatory compliance (REACH, etc.). - Cost Optimization: If possible, classify under
2942.00.50.00(0%) or3808.99.08.00(0%) by adjusting product formulation or presentation (e.g., non-aromatic base).
📌 VI. Common Errors & Pitfall Guide (Blood-Tears Lessons)
❌ Error 1: Classifying a preparative wood preservative as a pure organic compound (2942.00)
👉 Consequence: Customs will reclassify to 3808.92.50.80 (30% tax) + EPA violation fines.
❌ Error 2: Misidentifying aromaticity
👉 Consequence: Declaring an aromatic compound as 2942.00.50.00 (0%) instead of 2942.00.35.00 (31.5%) leads to back taxes + penalties.
❌ Error 3: Ignoring EPA Registration for Chapter 38 goods 👉 Consequence: Goods seized at border for lack of EPA registration, even if tax is 0%.
❌ Error 4: Using vague descriptions like "Wood Buffer" 👉 Consequence: Customs holds shipment for classification review, causing delays and storage fees.
✅ Correct Practice:
“Organic Chemical Buffer, Non-Pesticidal, Aromatic Structure, Industrial Grade, 5L Drum” OR “Prepared Fungicidal Wood Preservative, EPA Reg. No. XXX-XXX, Retail Pack”
🎯 VII. Conclusion: Professional Declaration, Cost Savings, Risk Reduction
🎯 Remember the Mnemonic:
🔹 “Aromatic Organic = 31.5%, Non-Aromatic Organic = 0%. Pesticide Prep = 0% (Aromatic) or 30% (Fungicide).” 🔹 “HS Code Decides Destiny, Tax Difference is 30%, Declaration Error Costs Thousands!”
📌 Tips:
- If your product is a pure organic compound, ensure its chemical structure is non-aromatic to qualify for 0% tax under
2942.00.50.00.- If it is a pesticide/preparation, check if it contains aromatic pesticides (0% tax under
3808.99.08.00) or other fungicides (30% tax under3808.92.50.80).- Apply for Advance Ruling if unsure about classification to avoid post-entry audits.
📣 Immediate Action:
📞 Contact a professional customs broker + Provide SDS/Chemical Structure + Apply for HS Code Advance Ruling 🚀 Let your Wood Chemical Buffer clear customs smoothly, reduce costs, and maximize profit!
✨ Professional Clearance Starts with Accurate Classification! 💼 Every cent of your cost deserves precise calculation!
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关于 HS 编码归类
协调制度(HS)是由世界海关组织(WCO)制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构:
- 章(2 位)——商品大类(例如:第 84 章:机器和机械设备)
- 品目(4 位)——章内的更具体分类
- 子目(6 位)——国际通用细分,所有 WCO 成员国统一使用
- 本国细分(8-10 位)——各国自行扩展的细分编码,如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时,适用的关税税率可能包括:
- 最惠国(MFN)税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税,如 301 条款(反倾销)、232 条款(国家安全)或反补贴税
本页内容仅供参考。如需正式归类,请咨询当地海关或持牌报关代理。