Urea grado extra puro Reag. Ph. Eur., 500 g

Urea EPR Ph.Eur.
CH4N2O
Carbammide, Carbonildiammide
M.W: 60,06 CAS: 57-13-6 EC: 200-315-5 TARIC: 31021010

Assay (HPLC) 98.0 – 102.0%
Individual impurities (HPLC) ≤ 0.1%
Total impurities (HPLC) ≤ 2.0%
Assay 98.5 – 101.5%
Melting range 132.0 – 135.0°C
Insolubility in Ethanol (CH3CH2OH) ≤ 0.04%
Residue on roasting (SO4) ≤ 0.1%
Loss on drying (105 °C) ≤ 1.0%
Ammonium (NH4) ≤ 0.05%
Biuret ≤ 0.1%