Urea 99+% for biochemistry

Supplier: Thermo Scientific Chemicals

43472-0010 43472-0050
TS43472-0010EA 90 USD
TS43472-0010 TS43472-0050
Urea 99+% for biochemistry
Urea
Formula: NH₂CONH₂
Melting Pt: 131…135 °C
Storage Temperature: Ambient
MDL Number: MFCD00008022
CAS Number: 57-13-6

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Specification Test Results

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Melting point 132 to 135 °C
Loss on drying ≤0.1 % (1 g, 105 °C, 1 h)
Heavy metals ≤10 ppm
Sulfated ash ≤0.1 % (800 °C)
UV at 280 nm A: ≤0.06
pH 6.0 to 9.5 (20 °C, 10% in H2O)
Titration with HClO4 99.0 to 101.0 %
Chloride (Cl) ≤0.05 %
Sulfate (SO4) ≤0.05 %
Ammonium (NH4) ≤0.05 %


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