![Testing Information Testing Information](https://webarchive.library.unt.edu/eot2008/20090201163533im_/http://ntp-server.niehs.nih.gov/images/template/subMastHead_testingInformation.gif)
Testing Status of Agents at NTP
Testing Status of Agents at NTP
Home >> Testing Information >> Testing Status of Agents at NTP >> Testing Status: Methylene blue trihydrate M90016
BLUE DYE USED IN BACTERIOLOGY, PAPER, SURGICAL SKIN MARKING, ANTIHEMOGLOBINEMIC, CYANINE POISONING ANTIDOTE, FORMERLY USED IN HAIR COLORING
Web page last updated on January 22, 2009
The National Institute of Environmental Health Sciences is one of the National Institutes of Health within the U.S. Department of Health and Human Services. The National Toxicology Program is headquartered on the NIEHS campus in Research Triangle Park, NC.