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:
132-135°C

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.