Safely shipping hazardous materials (HAZMAT) is critical for any eCommerce business dealing with flammable, corrosive, or otherwise risky products. Getting it right keeps your customers and shipments safe—and keeps your business on the right side of the law.

What Counts as HAZMAT?

According to USPS, hazardous materials are items that “pose a significant risk to health, safety, and property when transported,” such as:

• Paints, nail polish remover, fragrances, aerosols

• Lithium batteries, thermometers containing mercury

• Dry ice, other chemicals

Why Proper Shipping Matters

1. Legal Compliance: Avoid penalties and legal troubles by following carrier rules.

2. Customer Trust: Reassure buyers that products are handled responsibly.

3. Public Safety: Improper shipping can endanger postal workers and the public.

Step 1: Gather the Safety Data Sheet (SDS)

The SDS details how to safely handle and transport your product. Find it via:

• Manufacturer’s website or documentation

• Searching “[Manufacturer Name] + [Product Name] + SDS”

• SDS Database

Check the “Transport” section for specific guidelines, including allowed shipping methods and packaging instructions.

Step 2: Check USPS Publication 52

Publication 52 outlines USPS’s HAZMAT guidelines. Use the USPS HAZMAT tool to confirm mailability and restrictions for your product. This prevents wasted effort and potential shipment returns.

Step 3: Pack, Label, and Ship

1. Packaging: Use approved, leak-proof containers and cushioning where needed.

2. Labeling: Many HAZMAT items require diamond-shaped warning labels. Purchase them online or at USPS.

3. Documentation: Reference the SDS or Publication 52 for any needed forms.

4. Shipping: Drop off at USPS or schedule a pickup, ensuring items are fully compliant.

How Racko Simplifies HAZMAT Shipping

Racko can centralize your SDS documents, automate shipping workflows, and integrate USPS label printing. This ensures each HAZMAT item follows the correct packaging and labeling requirements—streamlining everything into one platform.

Shipping hazardous materials doesn’t have to be overwhelming—if you follow USPS rules and use tools like Racko, you’ll protect your business, your customers, and everyone else involved.