Beyond the MSDS: Three Key Things You Must Know When Shipping Electrolytic/Liquid Cargo

The MSDS is just the beginning, not the end. Many shippers believe that providing an MSDS solves everything, unaware that the real compliance challenges have only just begun.

Providing a Material Safety Data Sheet (MSDS) is basic practice when shipping electrolytic or liquid cargo. The MSDS answers the question “What is this?”, but it’s merely the ticket to the compliance process. What truly determines whether your cargo can successfully board the plane or ship, and avoid hefty fines, are the following three often-overlooked key points.

Key Point 1: The Cargo’s “Identity Card”—Accurate Classification and UN Number
The MSDS describes the chemical properties, but the transportation industry needs a more precise “transportation identity card.”

Beyond the MSDS:

The MSDS tells you the product is a flammable liquid, but shipping regulations further specify its UN number (e.g., UN1263 perfume) and packaging class (PG II or III).

The MSDS will mention that the product contains lithium batteries, but you need to accurately distinguish between UN3480 (lithium-ion batteries are shipped separately), UN3481 (packaged with the device), or UN3091, etc., according to shipping regulations.

Why is it fatal?

Example: A company incorrectly classified a “smart speaker containing lithium batteries” as a regular electronic device (requiring no special handling), when it should have been classified as UN3481. As a result, the entire shipment was detained by customs for “misdeclaration of dangerous goods,” facing tens of thousands of dollars in fines. Correct classification is the sole basis for all subsequent operations (packaging, labeling, documentation); a mistake can lead to complete failure.

Your Action Checklist:

Based on the MSDS, refer to the IATA Dangerous Goods Regulations or IMDG Code to determine the accurate UN number and correct shipping name.

For uncertain or complex shipments, be sure to invest in obtaining a Certificate of Cargo Transport Conditions (CATC). It is a more authoritative “transportation ID” than the MSDS.

Key Point Two: The Cargo’s “Armor”—UN-Standard Packaging and Internal Protection

This is the most obvious and also the easiest part to be skimped on. Ordinary cardboard boxes and foam simply cannot meet the strength requirements for transporting dangerous goods.

Beyond “Just Pack It Well”:

UN-Standard Packaging: Compliant outer packaging must have a clear UN mark (e.g., 4G/X1.4/S/23/USA/XXXX), proving it has passed rigorous performance testing.

Internal Protection:

For Batteries: Short-circuit protection measures must be in place (e.g., electrode caps), and the batteries must be securely fixed inside the packaging to prevent movement and collisions during transport.

For Liquids: Sufficient absorbent material must be used to wrap the inner packaging to ensure that even if a leak occurs, it can be completely absorbed, preventing contamination of other goods and the environment.

Why is it Deadly?

Example of Mistake: A shipper used a sturdy cardboard box to package lithium batteries, but no short-circuit protection was provided inside. During transport, the electrodes of a battery came into contact with a metal tool due to shaking, causing a short circuit and igniting a fire that destroyed the entire container. An investigation revealed that the outer packaging also lacked UN certification. The responsible party will bear all losses.

Your Action Checklist:

Purchase certified packaging with the UN mark from reliable suppliers.

Strictly adhere to internal protection standards: insulation, securing, and absorbency.

Simulate transport environments by conducting a 1.2-meter drop test on packaged goods to check their robustness.

Key Point Three: The Cargo’s “Legal Document”—Dangerous Goods Declaration Form
This is the most legally binding document and a litmus test of the shipper’s “professionalism.” It must be completed and signed by a professionally trained and certified person.

Beyond “Casual Filling”:

This document formally declares the dangerousness of the goods to carriers and government agencies and promises that they have been packaged and handled in accordance with regulations.

It requires accurate completion of the classification information from Key Point One and reference to the specific packing instruction number (e.g., IATA PI 965). Why is it fatal?

Case Study: A customer service representative filled out a declaration form following a previous template but incorrectly selected the packaging class. Although the goods themselves were well-packaged, the inconsistency on the document was discovered during the airline’s review, leading to the goods being rejected, a week-long delay, and the loss of a significant customer order.

Your Action Checklist:

Ensure your company has employees with valid dangerous goods training certificates.

Treat completing the DGD (Danger Goods Declaration) as a serious, dedicated legal process, not just routine administrative work.

Communicate with your freight forwarder or logistics manager in advance to ensure the declaration form is internally reviewed before submission.

Summary:

Next time you’re preparing to ship goods containing batteries or liquids, look beyond the MSDS and focus on these three more critical questions:

Have I obtained the accurate “transportation ID” (UN number) for my goods?

Have I properly “armored” it (UN packing and internal protection)?

Have I prepared the professional “legal documentation” (Dangerous Goods Declaration Form) for it?

By grasping these three key points, you can avoid more than 90% of the major risks in cross-border logistics, ensuring that your goods not only “go out” but also “arrive safely.”

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