Fix “Hazmat classification missing” on Amazon
Item appears to contain hazardous materials (battery, flammable, pressurised) but hasn't been classified. Amazon requires hazmat classification before items can ship.
What you see in Amazon:
Hazmat classification missing Items with hazardous materials need hazmat classification before shipping. Items in limbo until classification submitted.
Submit SDS or equivalent documentation. Classification approval takes 5-14 days. Items wrongly flagged as hazmat can file exemption.
Top causes
- 1
Lithium battery products without hazmat declaration
- 2
Aerosol products (sprays, cosmetics) without classification
- 3
Imported electronics where hazmat docs weren't included
How to fix it
- 1
Submit hazmat documentation
Seller Central → Manage Inventory → Hazmat. Provide SDS (Safety Data Sheet) or equivalent.
- 2
Wait for classification approval
5-14 days typical. Some products require manufacturer documentation.
- 3
If item isn't actually hazmat, file exemption
Some items get flagged by mistake. Exemption requests resolve within a week.
FAQ
What counts as hazmat?
Lithium batteries, aerosols, flammable liquids, pressurised containers, magnets above certain strengths, certain cosmetics. Amazon's list is broader than many sellers expect.
Last reviewed: 26 May 2026
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