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A Must-Read for International Shipping! A Comprehensive Guide to MSDS, UN 38.3, Dangerous Goods Certification, and Transport Safety Assessment Reports—Avoid Common Pitfalls Every Time

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Industry Encyclopedia

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Time of issue：

2026-08-03 15:16

> Container shipments held at the port, airfreight rejected by airlines, platform listings delisted… 90% of these nightmare scenarios stem from incomplete export documentation. Today, we’ll clarify the four key certificates to help you unlock the “Ren and Du meridians” of international trade logistics.

I. MSDS : The “ID card” of chemicals is much more than just a piece of paper.

1. What is an MSDS?

MSDS (Material Safety Data Sheet, or Chemical Safety Data Sheet), now more commonly referred to as SDS, is a standardized 16‑section safety data sheet that covers essential information such as ingredient details, hazard classification, first‑aid measures, and spill‑response procedures.

2. Which products are required to be registered?

> ⚠️Key Reminder: For electronic products containing lithium batteries, the MSDS must be used in conjunction with UN 38.3; neither can be omitted.

3. Application Process (5 Steps)

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① Provide the ingredient list (including CAS numbers and percentages)

→ ② Retrieve physicochemical and toxicological data

→ ③ Hazard Classification and Labeling → ④ Preparation of 16 Sections in Accordance with GHS Standards

→ ⑤ Multilingual translation + expert review and approval

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4. Three Major Pitfalls

• ❌ Applying a generic online template → If the declared contents do not match the actual goods, customs will deem it a false declaration, resulting in hefty fines.

• ❌Using an outdated version → GHS Updated to version 8; the previous versions just get stuck at a certain point.

• ❌Confusing the MSDS with Transportation Appraisal Report →The two have different functions and cannot substitute for one another.

II. UN 38.3: The “International Passport” for Lithium Batteries

1. Core Positioning

UN38.3 is not a quality certification; it is a transport safety assessment. According to Section 38.3 of the United Nations’ “Manual of Tests and Criteria,” it is recognized by IATA (International Air Transport Association), IMDG It has been mandatorily adopted by global transport systems, including the International Maritime Dangerous Goods Code.

> 🔋2026 New Regulations: EU’s… New Battery Law Following its implementation, UN 38.3 will also serve as one of the foundational data sources for carbon footprint declarations.

2. Eight Major Test Items (T1–T8)

✅Passing criteria: no ignition, no explosion, no leakage, no disintegration

3. Product Classification and Documentation Requirements

4. Sample Requirements and Lead Time

• Single-cell battery: 18 cells + 30 cell units

• Multi-cell battery: 18 batteries + 30 cells

• Lead time: 10–15 business days; for complex products, 3 weeks.

III. Dangerous Goods Packaging Certificate: The “Safety Lock” for Hazardous Materials Packaging

1. What is a hazardous packaging certificate?

The full name is “Certificate of Inspection for the Use of Transport Packaging for Exported Hazardous Goods,” issued by the customs inspection and quarantine authorities, certifying that the packaging complies with UN standards and effectively prevents leakage, combustion, or explosion.

2. The “Two-Certificate” System

> 💡Key practical points: You must obtain a certificate of performance from the packaging plant and then use it to apply for your own usage permit.

3. End-to-end processing

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Step 1: The factory completes packaging according to standards.

↓ Strictly adhere to the performance certificate’s capacity/weight limits.

↓ Paste the hazardous materials label, UN number, and shipping marks

↓ Generate the “Factory Inspection Report”

Step 2: Log in to the “China International Trade Single Window” for online declaration.

↓ Fill in: Applicant information, details of the dangerous goods, and packaging information

↓ Upload: Certificate of Performance, Classification and Identification Report, Factory Inspection Certificate, MSDS, etc.

Step 3: Submit the paper documents to the local customs authority.

↓ Includes: the original stamped application form, the original performance certificate, and a copy thereof.

↓ Hazardous Goods Classification and Identification Report, Purchase and Sales Contract, Business License

Step 4: Pay the appraisal fee → Customs on-site inspection

↓ Verification: Consistency of goods, packaging, and markings with the application form

↓ Inspection: leakage, damage, sealing, cushioning material

↓ Random inspection: Air-tightness/hydraulic testing as required

Step 5: Obtain the Certificate

↓ Pass: The “Usage Verification Result Form” will be issued within 3–5 business days.

↓ Non‑conforming: Resubmit after making improvements in accordance with the corrective action recommendations.

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IV. Transport Appraisal Report: The Carrier’s “Release Order”

1. Core Role

Issued by a qualified third-party organization (such as DGM, the Shanghai Institute of Chemical Industry, etc.), this document determines whether the goods are classified as hazardous materials and specifies the applicable packaging requirements; it serves as the direct basis for release by airlines and shipping companies.

2. Relationship with UN 38.3 and the MSDS

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UN38.3 Test Report (Basic Safety Certificate)

↓

MSDS (Chemical Composition and Emergency Information)

↓

Transportation Appraisal Report (Integrated Assessment, Carrier Release)

↓

✅ Goods have been shipped successfully.

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3. Note on the validity period

• Air Transport Certificate: Renewed annually (typically expires at year-end)

• Sea freight appraisal certificate: Some institutions offer a slightly longer validity period, but annual re‑verification is recommended.

V. Final Pre-Shipment Checklist

VI. Common Misconceptions—Clear Them All at Once

❌Misconception 1: “I have CE certification, so I don’t need UN 38.3.”

✅ Correct answer: CE‑rated battery terminals are safe for use, while UN38.3‑rated batteries are safe for transport; the two are not interchangeable. Both are required!

❌Misconception 2: “The battery’s materials have been changed, so the old test report should still be valid.”

✅ Correct answer: Any change to the structure, materials, or packaging requires retesting. If discovered during customs clearance, it will be considered falsification of documentation, with severe consequences.

❌Misconception 3: “A hazardous packaging certificate is a one-time issuance that remains valid indefinitely.”

✅ Correct answer: The hazardous packaging certificate is issued on a per‑batch basis; each batch of goods and each packaging specification must be applied for separately.

❌Misconception 4: “These certification platforms aren’t useful, so I’ll skip them for now.”

✅ Correct answer: Amazon, TEMU, and AliExpress have incorporated UN38.3 into their product compliance reviews; failure to comply will result in direct sales restrictions.

VII. Conclusion: Compliance is the Best Way to Reduce Costs and Improve Efficiency

Let’s do the math: the cost of a single return shipment could easily cover the expenses of preparing compliance documentation for ten years.

In the realm of foreign trade, document compliance is not an “optional choice” but a matter of survival. Only by streamlining these four key certificates can you ship with full confidence.

> 📌We recommend saving this article for future reference and double-checking it before each shipment. Feel free to share it with your company’s logistics and procurement teams—help everyone avoid potential pitfalls!

This document compiles the latest customs policies and industry best practices; specific requirements shall be subject to those of the local customs authority. For any questions, we recommend consulting a professional testing laboratory or a customs broker.