triple superphosphate
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 2835295100 | 39.1% | CN | US | 官方文档 |
| 2835260000 | 35.0% | CN | US | 官方文档 |
| 3105590000 | 35.0% | CN | US | 官方文档 |
| 3105510000 | 35.0% | CN | US | 官方文档 |
| 3103110000 | 35.0% | CN | US | 官方文档 |
| 3103190000 | 35.0% | CN | US | 官方文档 |
AI分析
🌾 Triple Superphosphate (TSP) – The High-Purity Phosphorus Powerhouse
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Export Strategy 📌 I. Product Definition & Classification: What is "Triple Superphosphate"?
Triple Superphosphate (TSP) is a concentrated water-soluble phosphate fertilizer. Unlike ordinary superphosphate, it is produced by treating phosphate rock with phosphoric acid rather than sulfuric acid. This process yields a product with a significantly higher concentration of diphosphorus pentoxide (P₂O₅).
In international trade, TSP is strictly categorized under Mineral or Chemical Fertilizers, Phosphatic. It is distinct from mixed fertilizers (N-P-K) and simple calcium phosphates due to its manufacturing process and specific P₂O₅ content.
⚠️ Key Distinction Point: - Ordinary Superphosphate: Contains ~20% P₂O₅, made with sulfuric acid, includes gypsum byproduct. - Triple Superphosphate (TSP): Contains ≥46-52% P₂O₅, made with phosphoric acid, no gypsum, higher purity. - Other Calcium Phosphates (e.g., Tricalcium Phosphate): Chemical salts, not necessarily processed fertilizers; fall under Chapter 28.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, TSP is primarily classified under Chapter 31 (Fertilizers), specifically within the subheading for Superphosphates.
| HS Code | Product Description | Applicable Scenario | P₂O₅ Content / Key Characteristic |
|---|---|---|---|
3103.11.00.00 |
Superphosphates: Containing by weight 35 percent or more of diphosphorous pentaoxide (P₂O₅) | Triple Superphosphate (TSP), High-concentration superphosphate | ✅ Yes (Typically >46% P₂O₅) |
3103.19.00.00 |
Superphosphates: Other | Ordinary superphosphate, low-grade superphosphate | ❌ No (Typically <35% P₂O₅) |
2835.26.00.00 |
Other phosphates of calcium | Pure chemical calcium phosphates (not processed as fertilizer) | ❌ No (Not a fertilizer grade) |
2835.29.51.00 |
Other phosphates (General) | Miscellaneous phosphate chemicals | ❌ No |
3105.51.00.00 |
Fertilizers containing nitrates and phosphates | Mixed N-P fertilizers | ❌ No (TSP is single-element P) |
3105.59.00.00 |
Other mineral fertilizers with N & P | Mixed N-P fertilizers | ❌ No (TSP is single-element P) |
🔍 Critical Reminder: - TSP is almost exclusively classified under
3103.11.00.00because its P₂O₅ content invariably exceeds 35%. - Do NOT misclassify TSP as "Other phosphates of calcium" (2835.26.00.00) unless it is a pure chemical intermediate, not a commercial fertilizer. - Do NOT classify TSP under3105series; that chapter is for Mixed fertilizers (containing N and P). TSP is a Phosphatic fertilizer only.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policies)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Ongoing (Section 301 & IEEPA tariffs apply)
🎯 1. 3103.11.00.00 —— Triple Superphosphate (High P₂O₅)
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% (ad valorem) |
| Additional Tariff (Section 301) | +25.0% |
| Total Effective Tariff Rate | 25.0% |
| Tax Calculation | CIF Value × 25% |
| De Minimis Exemption | ❌ Not Eligible (Fertilizers are generally excluded from de minimis benefits under current enforcement) |
| Legal Basis Path | HTSUS:3103.11.00.00 → USITC Footnote 301 → 301 List 3 |
📌 Explanation: - The base rate for superphosphates is 0%. - However, under Section 301 of the Trade Act of 1974, products of Chinese origin in this category are subject to an additional 25% tariff. - Total Liability: 25% of the CIF value. - Note: There are no IEEPA 10% additional taxes listed for this specific HS code in the provided data, unlike some electronics or panels. The burden is solely the 25% Section 301 tariff.
🎯 2. Why NOT 3103.19.00.00 (Other Superphosphates)?
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% |
| Additional Tariff | +25.0% |
| Total Rate | 25.0% |
| Note | Even if misclassified as "Other," the rate remains 25%. However, customs will penalize for incorrect classification if the P₂O₅ content clearly exceeds 35%. |
⚠️ Risk: Misclassifying TSP (
3103.11) as "Other Superphosphate" (3103.19) may trigger audits. If your lab report shows >35% P₂O₅, you must use3103.11.00.00.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Required Documentation Checklist (Non-Negotiable)
| Document | Mandatory? | Purpose |
|---|---|---|
| Certificate of Analysis (COA) | ✔️ Yes | Must explicitly state % P₂O₅. If >35%, it forces 3103.11.00.00. |
| Fertilizer Label | ✔️ Yes | Must show N-P-K ratio (e.g., 0-46-0), usage instructions, and manufacturer info. |
| Safety Data Sheet (SDS) | ✔️ Yes | Required for hazardous material screening (even if non-hazardous, it proves chemical stability). |
| Bill of Lading (B/L) | ✔️ Yes | Must match commercial invoice exactly. |
| Commercial Invoice | ✔️ Yes | Clearly state "Triple Superphosphate" or "TSP," not generic "Fertilizer." |
| Packaging List | ✔️ Yes | Detail bag weight, net/gross weight, and pallet configuration. |
✅ 2. Declaration Strategy (Key Mantra)
🔥 "Label Matches COA, P₂O₅ Defines the Code, TSP is 3103.11!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Standard TSP (0-46-0) | 3103.11.00.00 with description "Triple Superphosphate, 0-46-0" |
Generic "Phosphate Fertilizer" → Audits & Delays |
| TSP with Urea Coating | Still 3103.11.00.00 (if P content > N) |
Split declaration → Penalty |
| Ordinary Superphosphate (0-20-0) | 3103.19.00.00 |
Using 3103.11 → Over-declaration risk |
| Mixed N-P Fertilizer | 3105.xxxx |
Using 3103 → Major Classification Error |
✅ 3. Special Situations & Handling
| Situation | Handling Advice |
|---|---|
| High Moisture Content | Ensure drying specifications are met; excess moisture may lead to re-weighing or rejection. |
| Dust Control | TSP can be dusty. Ensure bags are sealed and palletized to avoid spillage during transit. |
| Corrosive Packaging | Use high-quality PE-lined bags. Phosphoric acid residues can corrode metal pallets or container walls. |
| Lab Testing Discrepancy | If CBP tests your shipment and finds P₂O₅ >35%, but you declared 3103.19, expect Back Duties + Interest. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Remarks |
|---|---|---|---|---|
| 🇺🇸 USA | 3103.11.00.00 |
25% | No specific EPA cert for import, but label must comply with state laws. | High tariff, strict P₂O₅ verification. |
| 🇨🇳 China | 3103.11.00.00 |
0% | GB Standard Compliance | Free trade for domestic. |
| 🇪🇺 EU | 3103 10 50 |
0% | EU Fertilizing Products Regulation (FPR) | Must be FPR-compliant for market access. |
| 🇧🇷 Brazil | 3103.11.00 |
Varies (Check Mercosur) | MAPA Registration | Major importer of TSP. |
| 🇮🇳 India | 3103.11.00 |
0-5% | FCO License | Heavy importer for agriculture. |
📌 Conclusion: - USA imposes a 25% tariff on TSP from China. - Classification is strict: Must prove P₂O₅ >35% for
3103.11.00.00. - Lab Reports are King: Your Certificate of Analysis is the most important document for clearance.
📌 VI. Common Errors & Pitfalls (Blood & Tears Lessons)
❌ Error 1: Declaring TSP as "Other Calcium Phosphates" (2835.26.00.00)
👉 Consequence: Even if base rate is 0%, misclassification leads to civil penalties for fraud or negligence. TSP is a fertilizer, not a pure chemical.
❌ Error 2: Ignoring P₂O₅ Content
👉 Consequence: If P₂O₅ is 46% but declared as "Other Superphosphate" (3103.19), customs will demand a new lab test at your expense and reclassify, causing port delays.
❌ Error 3: Mixing TSP with Urea in Declaration
👉 Consequence: If the shipment is a physical mixture, it may fall under 3105. If it's separate bags, declare separately. Mixed declarations are red flags.
✅ Correct Practice:
"Triple Superphosphate, Fertilizer Grade, 0-46-0, P₂O₅ 46% min, in 50kg PE-lined bags, Model TSP-50, Certificate of Analysis Attached."
🎯 VII. Conclusion: Precision in Phosphates Saves Money!
🎯 Remember the Mantra:
🔹 "TSP is Super, P₂O₅ is Key, >35% is Code 11, 25% is Fee!" 🔹 "Lab Report First, Description Second, Classification Last!"
📌 Pro Tip: If your TSP is destined for the US market, factor the 25% additional tariff into your pricing strategy. Consider duty drawback programs if re-exporting, or explore FTZ (Foreign Trade Zone) storage to defer duty payment.
📣 Take Action Now:
📞 Engage a Licensed Customs Broker 📄 Prepare Up-to-Date COA (Certificate of Analysis) 🚀 Ensure Your Label Complies with US EPA/State Regulations
✨ Professional Clearance Starts with Accurate Classification! 💼 Your Fertilizer Shipment Deserves a Smooth Passage!
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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。