Browse UN/NA Datasheets

For every UN/NA number in the Emergency Response Guidebook and the hazmat table in 49 CFR 172.101, there is a UN/NA datasheet in CAMEO Chemicals.

What are UN/NA numbers?

United Nations-North America numbers identify an individual chemical or group of chemicals with similar characteristics; these 4-digit numbers are often preceded by UN (such as UN1219). UN/NA numbers are required on shipping papers and are often shown on placards and labels. (These numbers may also be called NA numbers or DOT numbers.)

There are 2369 UN/NA datasheets in CAMEO Chemicals:

There are 2 special cases where the ERG has assigned response guides to chemicals without UN/NA numbers:

About | Privacy Policy | Contact Us | Website Satisfaction Survey | Mobile Site
NOAA logo.

Web site owner: Office of Response and Restorationexternal_link, National Ocean Serviceexternal_link, National Oceanic and Atmospheric Administrationexternal_link. USA.govexternal_link.

CAMEO Chemicals version 3.1.0.