Harnstoff 99,5-100,5%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytisches Reagens

Lieferant: VWR Chemicals

Synonyme: Carbamid Aminoameisensäureamid Carbonyldiamid Urea

28877.460EA 1600 EUR
28877.460 28877.361 28877.260 28877.235 28877.292
Harnstoff 99,5-100,5%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytisches Reagens
Harnstoff
Formel: NH₂CONH₂
Molecular Weight: 60,06 g/mol
Siedepunkt: 197 °C (1013 hPa)
Schmelzpunkt: 132,7 °C
Dichte: 1,34 g/cm³ (20 °C)
Lagertemperatur: Raumtemperatur
MDL: MFCD00008022
CAS-Nummer: 57-13-6
EINECS: 200-315-5
REACH: 01-2119463277-33
Merck Index: 12,10005
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Spezifikation Testergebnisse

Assay 99.5 - 100.5 %
Appearance of solution (10 %; water) Clear and colourless
IR Spectrum Passes test
Solution S Passes test
Acidity Max. 0.0005 meq/g
Alkalinity Max. 0.0005 meq/g
Melting point 132 - 134 °C
Biuret
Heavy metals (as Pb) Max. 4 ppm
Ignition residue (SO4) Max. 50 ppm
Insolubility in water Max. 30 ppm
Loss on drying (100-105°C) Max. 1.0 %
Cl (Chloride) Max. 5 ppm
NH4 (Ammonium) Max. 0.05 %
SO4 (Sulphate) Max. 10 ppm
Cu (Copper) Max. 1 ppm
Fe (Iron) Max. 1 ppm
Pb (Lead) Max. 2 ppm
Conforms to ACS Passes test
Conforms to Reag. Ph.Eur. Passes test

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