A shocking discovery has emerged from Virginia as federal agents uncovered the largest stockpile of homemade explosives in FBI history, raising serious concerns about political extremism in America.
THE properties of ethylene diamine have been summarized by Wilson 1 and by Putnam and Kobe 2. In the course of recent work with this substance, additional and in part contradictory information has ...
A compilation of the non-confidential data received on methylenediphenyl diisocyanate and diamine (MDI/MDA) and methylphenol substances in response to the section 71 notice, including information ...
Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...