Hazmat question
Where do I find the UN number?
Find the applicable entry in the Hazardous Materials Table. The identification number is part of the basic shipping description.
Answer
Find the applicable entry in the Hazardous Materials Table. The identification number is part of the basic shipping description.
Find the applicable entry in the Hazardous Materials Table. The identification number is part of the basic shipping description.
Why people ask this
Most hazmat searches happen while someone is trying to make a real operational decision: classify a product, check a package quantity, verify paperwork, review an SDS, or confirm whether a waste or chemical appears in a federal table.
Look it up instead of digging through the PDF
Search the table, compare the listed RQ, and see the source in seconds.
Related guide
How Do I Find a UN or NA Number? →
Reference basis: 49 CFR §172.101, the supplied Appendix A database, and PHMSA hazmat guidance. Verify current requirements for the specific shipment.