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The mobile Pocket Guide to Chemical Hazards web application has been replaced by a native version for Android and iOS, and has been retired.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
Content
source: National Institute for Occupational Safety and Health