Tylenol [acetaminophen] was discovered by David W. Young, a graduate of Covington Latin School and the University of Kentucky, while working on chemical patents at Standard Oil of Ohio in Cleveland, Ohio. - Wikipedia (also from
Blogaholics Blog Archive Fact of the day: who invented Tylenol?)
Physical & Chemical Properties from
ACETAMINOPHEN (PARACETAMOL)
PHYSICAL STATE white crystalline powder
MELTING POINT 169 - 172 C
SPECIFIC GRAVITY 1.293
SOLUBILITY IN WATER miscible
pH 5.5 - 6.5
MELTING POINT 168 - 172 C