Urea is useful as a denaturing agent for proteins and nucleic acids and as a chaotropic agent in denaturing PAGE.
Appearance: White crystalline
Solubility (3g in 10ml H2O): Colorless, clear, complete
Absorbance (5mM H2O):
260nm: (same/less than)0.055
280nm: (same/less than)0.044
Melting Point: 132-135 degrees C
Insoluble Matter: (same/less than)0.01%
Conductivity (5M Aq., Max): (same/less than)50uS/cm
Residue on Ignition:
(same/less than)0.01%
Chloride: (same/less than)0.0005%
Iron: (same/less than)0.001%
Sulfate: (same/less than)0.001%
Heavy Metals: (same/less than)0.001%
RNase, DNase or Protease: None Detected
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