Urea ≥99.5%, Puriss. p.a. Reag. Ph. Eur., ACS, Fluka™
Fornitore: Honeywell Chemicals
Synonyms:
Carbonyl diamide, Carbamide, Diaminomethanone, Carbonyldiamide
Formula:
NH₂CONH₂ Peso molecolare: 60.06 g/mol Punto di ebollizione: 197 Punto di fusione: 133…134 °C Densità: 1.32 g/cm3 (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00008022 CAS Number: 57-13-6 EINECS: 200-315-5 Merck Index: 13,09935 |
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Risultati del test di specificazione
Identity | complying |
Assay | Min. 99.5 % |
Assay (calculated to the dried substance) | 99 - 101 % |
Melting range | 132 - 135 °C |
Water insoluble matter | Max. 0.01 % |
Loss on drying (105°C, 1 h) | Max. 1.0 % |
Sulfated ash | Max. 0.01 % |
Ammonium (NH₄) | Max. 0.05 % |
Alkalinely reacting substances | complying |
Iron (Fe) | Max. 0.0002 % |
Heavy metals (as Pb) | Max. 0.0005 % |
Chloride (Cl) | Max. 0.0005 % |
Sulfate (SO₄) | Max. 0.001 % |
Biuret (carbamylurea) | Max. 0.1 % |
Appearance of the solution | complying |
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