Melting point> 300 ° C (lit.) Storage conditions 2-8 ° C Water solubility 0.5 g / L Merck 14, 9366 BRN 112227 CAS database 141-90-2 (CAS DataBase Reference) NIST chemical substance information 2-Thiouracil (141-90-2) EPA Chemical Substance Information 4 (1H) -Pyrimidinone, 2,3-dihydro-2-thioxo- (141-90-2)