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 |
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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