NOTICE:

The mobile Pocket Guide to Chemical Hazards web application has been replaced by a native version for Android and iOS, and has been retired.

Please visit https://www.cdc.gov/niosh/npg/mobilepocketguide.html to download the latest mobile app version.

Please visit the web version at https://www.cdc.gov/niosh/npg/default.html.

For questions or comments please go to https://www.cdc.gov/niosh/email-eidtech.html

Page last reviewed: July 10, 2019