Organic Synthesis Intermediate Mixture
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 2905591000 | 40.5% | CN | US | 官方文档 |
| 2905593000 | 35.0% | CN | US | 官方文档 |
| 2932999010 | 13.7% | CN | US | 官方文档 |
| 2932999090 | 13.7% | CN | US | 官方文档 |
| 293399 | 0.0% | CN | US | 官方文档 |
| 290000 | 0.0% | CN | US | 官方文档 |
| 3824992600 | 35.0% | CN | US | 官方文档 |
| 3824992900 | 41.5% | CN | US | 官方文档 |
| 293399 | 0.0% | CN | US | 官方文档 |
| 290000 | 0.0% | CN | US | 官方文档 |
商品图片
AI分析
🧪 Organic Synthesis Intermediate Mixture
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Trade Compliance Strategy
📌 I. Product Definition & Classification: What Exactly is an "Organic Synthesis Intermediate Mixture"?
In the international chemical trade, an "Organic Synthesis Intermediate Mixture" is not a single, defined chemical entity but a blend of chemical compounds specifically formulated or encountered as by-products/residues used to facilitate further organic synthesis.
Because "mixture" is a generic term, customs authorities strictly look at the chemical composition and specific constituents to determine the correct HS Code. Misclassification here is common and risky, leading to significant duty discrepancies.
⚠️ Critical Distinction Point:
- Is it a pure specific chemical? → Classify under the specific chemical heading (e.g.,2905,2932).
- Is it a generic mixture of unknown/specific intermediates? → Classify under "Not Elsewhere Specified" (NES) headings like2933or2900.
- Is it a preparation with a specific function (e.g., binding, catalyst)? → Might fall under Chapter 38 (3824).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Mapping)
Based on the provided data, here are the applicable HS Codes for organic intermediates and related chemical preparations:
| HS Code | Product Description | Applicable Scenario | Tax Status |
|---|---|---|---|
2933.99 |
Other organic chemicals, not elsewhere specified or included, used as intermediates in the manufacture of organic chemicals, including mixtures of such intermediates. | Generic Mixture: A blend of intermediates that do not fit into more specific subheadings (e.g., complex mixtures of heterocyclic compounds). | ❌ Error: Failed to retrieve tax information |
2900.00 |
Organic chemicals, not elsewhere specified or included, including mixtures of organic chemicals used as intermediates in organic synthesis. | General NES Mixture: A broad category for organic chemical mixtures used in synthesis where no more specific heading applies. | ❌ Error: Failed to retrieve tax information |
2905.59.10.00 |
Derivatives of monohydric alcohols (Halogenated, sulfonated, nitrated, or nitrosated). | Specific Monohydric Derivative: If the mixture is primarily composed of derivatives of simple monohydric alcohols. | ✅ 0.0% |
2905.59.30.00 |
Dibromoneopentylglycol (Specific derivative of acyclic alcohol). | Specific Dibromoneopentylglycol: If the mixture is predominantly or exclusively this specific compound. | ✅ 25.0% |
2932.99.90.10 |
Glucosamine and its salts and esters (Heterocyclic compounds with oxygen hetero-atoms). | Sugar/Amino-Sugar Intermediate: If the mixture contains significant amounts of Glucosamine derivatives. | ✅ 3.7% |
2932.99.90.90 |
Other Heterocyclic compounds with oxygen hetero-atoms only (Other/Other). | Generic Heterocyclic Mix: Mixtures of oxygen-heterocyclic intermediates not specified elsewhere. | ✅ 0.0% |
3824.99.26.00 |
Mixtures containing ≥5% aromatic/modifies aromatic substances (Specific listed mixtures). | Special Aromatic Preparation: Highly specific industrial mixtures (e.g., containing specific isocyanate homopolymers or fluoro-indenes). | ✅ 25.0% |
3824.99.29.00 |
Mixtures containing ≥5% aromatic/modifies aromatic substances (Other). | Other Aromatic Mixtures: Other prepared binders or chemical preparations with high aromatic content, not specifically listed in 26.00. |
✅ 0.0% |
🔍 Key Takeaway:
- "Mixture" is the keyword. If the product is a pure chemical, it will likely be classified under2905or2932.
- If it is a blend, check if it fits specific lists (3824.99.26) or general "Not Elsewhere Specified" (2933.99,2900.00).
- Tax Uncertainty: Codes2933.99and2900.00show "Failed to retrieve tax information" in the source data. This is a major compliance risk!
💰 III. 2026 Latest Tariff Rate Details (Including Add-ons & Policy Surcharges)
✅ Applicable Country: United States (US)
✅ Origin: China (CN) (Note: Tax details in data suggest US-China trade context due to "Additional Tariff" mentions in examples like 2905.59.30.00)
✅ Effective Date: Current 2026 Tariff Schedule
🎯 1. 2933.99 & 2900.00 —— Generic Organic Intermediates (Mixture)
| Item | Content |
|---|---|
| Tax Status | Error / Unknown |
| Detail | "Failed to retrieve tax information" |
| Risk Level | 🔴 HIGH |
| Explanation | These codes represent a "catch-all" category. The failure to retrieve tax info suggests either: 1. The data source is incomplete. 2. These codes are subject to dynamic policy changes or anti-dumping duties not reflected in standard base rates. 3. They may be subject to Section 301 tariffs if originating from China, but the base rate itself is unclear. |
| Action Required | Do NOT rely on this data alone. You must apply for an Advance Ruling or consult a licensed customs broker to determine if Section 301 tariffs (typically 25%) apply on top of an unknown base rate. |
🎯 2. 2905.59.10.00 —— Derivatives of Monohydric Alcohols
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Total Tax | 0.0% |
| Explanation | Benign classification for simple alcohol derivatives. Low risk, low cost. |
🎯 3. 2905.59.30.00 —— Dibromoneopentylglycol
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 25.0% |
| Total Tax | 25.0% |
| Explanation | This specific compound is subject to a 25% punitive/additional tariff. This is likely due to US Section 301 List 4 or similar trade remedies against Chinese chemical products. Even if the base is 0%, the effective duty is 25%. |
🎯 4. 2932.99.90.10 & 2932.99.90.90 —— Heterocyclic Compounds (Oxygen)
| HS Code | Base Tax | Additional Tax | Total Tax |
|---|---|---|---|
2932.99.90.10 (Glucosamine) |
3.7% | 0.0% | 3.7% |
2932.99.90.90 (Other) |
0.0% | 0.0% | 0.0% |
| Explanation | Glucosamine derivatives have a small base duty. Other oxygen-heterocyclic mixtures are duty-free. No additional tariffs indicated in the source data. |
🎯 5. 3824.99.26.00 & 3824.99.29.00 —— Aromatic Mixtures (Prepared Preparations)
| HS Code | Base Tax | Additional Tax | Total Tax |
|---|---|---|---|
3824.99.26.00 (Specific Listed Mix) |
0.0% | 25.0% | 25.0% |
3824.99.29.00 (Other Aromatic Mix) |
0.0% | 0.0% | 0.0% |
| Explanation | If your mixture contains ≥5% aromatic substances and matches the specific complex descriptions in 26.00 (e.g., specific isocyanate homopolymers), you face a 25% additional tariff. If it is a generic aromatic mixture not listed, it is 0%. Precision in chemical description is critical here. |
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Preparation Checklist (Non-Negotiable)
| Document | Must Provide | Purpose |
|---|---|---|
| ✅ Chemical Composition Analysis | ✔️ | Critical. Must list every component by weight % and CAS number. Without this, 2933.99 vs 2905.59 cannot be determined. |
| ✅ Certificate of Analysis (COA) | ✔️ | Proves the product is an "Intermediate" and not a final consumer chemical. |
| ✅ Process Flowchart | ✔️ | Shows where this mixture sits in the synthesis chain (supports "Intermediate" classification). |
| ✅ MSDS/SDS | ✔️ | Safety data sheet. Must match the chemical description in the commercial invoice. |
| ✅ Commercial Invoice | ✔️ | Must explicitly state: "Mixture of Organic Intermediates for further synthesis" and list key CAS numbers. |
✅ 2. Declaration Strategy (Key Mnemonics)
🔥 "Component Determines Code, Aromatics Trigger Tariffs, Errors Cause Delays!"
| Scenario | Correct Declaration | Wrong Declaration | Consequence |
|---|---|---|---|
| Mixture is mostly Glucosamine | 2932.99.90.10 |
2933.99 (Generic) |
Overpaying/Underpaying; Audit Risk |
| Mixture is Dibromoneopentylglycol | 2905.59.30.00 |
2933.99 |
25% Tax vs Unknown Tax. Huge Risk! |
| Mixture has 6% Aromatic X | 3824.99.29.00 (If not listed) |
3824.99.26.00 (If misidentified as listed) |
25% Tax vs 0%. Avoid accidental 25% |
| Pure Chemical Mixture | 2933.99 |
3824 (Preparation) |
Classification Error. Chapter 29 is for chemicals; Chapter 38 is for preparations. |
✅ 3. Special Handling for "Error" Codes (2933.99, 2900.00)
Since the tax data is missing for these codes:
1. Assume Section 301 Applies: If originating from China, assume an additional 25% tariff on top of the base rate until confirmed otherwise.
2. Apply for Pre-Ruling: Do not clear these shipments without a US CBP Advance Ruling. The "Error" flag indicates ambiguity that customs officers will exploit during random inspections.
3. Chemical Breakdown: You must prove that the mixture does not contain the specific compounds listed in 3824.99.26.00 to avoid the 25% tariff there, or prove it is not a simple alcohol derivative to avoid 2905.59.30.00.
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code (Example) | Estimated Tariff (CN Origin) | Key Requirement | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 2933.99 or 2900.00 |
High Risk (Unknown + 25%) | Detailed CAS breakdown | Section 301 likely applies. |
| 🇨🇳 China | 2933.99 |
~6-10% (MFN) | HS Code precision | Standard import duties. |
| 🇪🇺 EU | 2933.99 |
6.5% (Standard) | REACH Registration | REACH compliance is mandatory. |
| 🇬🇧 UK | 2933.99 |
6.5% (Standard) | UK REACH | Post-Brexit UK REACH rules apply. |
📌 Conclusion:
- The USA is the most complex market for these codes due to missing tax data and potential Section 301 tariffs.
- The EU focuses on environmental/safety registration (REACH) rather than high tariffs, but delays are common if REACH docs are missing.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring "Organic Mixture" with no CAS numbers.
👉 Consequence: Customs rejects the entry, demands full chemical analysis, causing weeks of delay.
❌ Error 2: Assuming 2933.99 is 0% tax because it's "other."
👉 Consequence: If it contains specific dibrominated or aromatic compounds, it may fall under 2905.59.30.00 or 3824.99.26.00, triggering a 25% retroactive tax + penalties.
❌ Error 3: Confusing "Intermediate Mixture" with "Preparation."
👉 Consequence: Misclassifying as Chapter 38 (3824) when it should be Chapter 29 (2933) or vice versa. This changes the duty from 0% to 25% or triggers different regulatory licenses.
✅ Correct Approach:
"Mixture of [CAS 123-45-6] (40%) and [CAS 789-01-2] (60%), used as intermediate in organic synthesis. Not a preparation for adhesive or binding."
🎯 VII. Conclusion: Precision is Profit in Chemical Trade
🎯 Remember the Mantra:
🔹 "Specific Components, Specific Codes."
🔹 "If it's a mixture, prove what's inside."
🔹 "Chapter 29 for Chemicals, Chapter 38 for Preparations."
🔹 "Missing Tax Data? Assume 25% and File a Pre-Ruling!"
📌 Pro Tip:
For 2933.99 and 2900.00, always request a Binding Tariff Information (BTI) ruling from the destination country's customs authority before shipping. The cost of a ruling is negligible compared to the cost of a 25% retroactive duty + storage fees.
📣 Immediate Action:
📞 Send your Chemical Composition Sheet to a Customs Broker TODAY.
🚀 Do not ship until the HS Code is confirmed.
💼 Your supply chain depends on this accuracy.
✨ Professional Clearance Starts with Precise Classification!
💼 Every chemical detail counts!
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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。