| Urea is useful as a denaturing agent for proteins and nucleic acids and as a chaotropic agent in denaturing PAGE. Synonyms: Carbimide, Carbonyldiimide CAS No: 57-13-6 Molecular Formula: CH4N2O Molecular Weight: 60.06 Purity: 99.5% Appearance: White crystals Solubility (3g in 10ml H2O): Colorless, clear, complete Absorbance (5mM H2O): 260nm: 0.05 280nm: 0.03 Melting Point: 132-135C Insoluble Matter: 0.01% Residue on Ignition: 0.1% Water (KF): 0.5% Chloride: 0.0001% Iron: 0.0001% Sulfate: 0.01% Heavy Metals (Pb): 0.002% Lead (Pb): 0.0005% Cyanate (CNO): 0.03% Copper (Cu): 0.0001% RNase, DNase or Protease: None Detected Storage and Stability: May be stored at RT. Stable for 12 months after receipt. |
