Ammonium sulfate Ultra Pre Ultra Pure Grade Code  AA1190-5000 Classification  分生級生化試劑A-Z Size  5kg Category  BIOCHEMICALS Store  RT CAS  7783-20-2 HAZ  NO Order  Print  PRODUCT DETAIL CERTIFICATE OF ANALYSIS Product AMMONIUM SULFATE Grade Ultra Pure Grade CAS# 7783-20-2 Formula (NH4)2SO4 MW 132.14 Product Code AA1190-5000 Test Items Specifications Results Appearance White crystalline powder   Purity >99.5%   pH (5%, Water) @ 25ºC 5.0-6.0   Insolubles <0.005%   Phosphate <0.0005%   Chloride <0.0005%   Residue on Ignition <0.005%   Heavy Metals (as Pb) <0.0002%   Iron <0.0005%   Selenium <0.002%   Magnesium Test None   Arsenic <0.0001%   RNase NONE   DNase NONE   Protease NONE   Storage:   RT.  Protect from moisture.     Caution:   Avoid contact with eyes, skin and clothing. Wash all areas of contact with copious amounts of water. See Material Safety Data Sheet for additional information. For laboratory or further manufacturing use only. Not intended for household use.