Trade Name: Metribuzin,Sencor, Sencoral(Bayer), Lexone(du pont) Chemical name: 4-amino-6-tert-butyl-3-methylthio-1,2,4-triazine-5-(4H)-one CARegistration No.: 21087-64-9 Emperical Formula: C8H14N4OS Molecular Weight: 214.3 . Specification: Index 95%crude parmaceutical 70%wettable powder 50%wettable powder wettable powder% 95.0 69.0-72.0 49.0-52.0 Moisture% 1.0 ------ ----- material undissolving in acetone% 1.0 ------ ----- Acidity% 0.2 ------ ----- suspensibility% ------ 60 60 time of wetting S ------ 60 60 slender(sieve of 44um sieves)% ------ 98 98 PH value ------ 5.0-9.0 5.0-9.0 test of quickening storage ------ qualified qualified Appearance white powder loose powder, no agglomerate loose powder, no agglomerate .