Urée ≥99.5%, Puriss. p.a. Reag. Ph. Eur., ACS, Fluka™
Marques : Honeywell ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Carbamide
Formule:
NH₂CONH₂ Poids moléculaire: 60.06 g/mol Point d'ébullition: 197 Point de fusion: 133…134 °C Densité: 1.32 g/cm3 (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00008022 Numéro CAS: 57-13-6 EINECS: 200-315-5 Indice Merck: 13,09935 |
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Résultats des tests de spécification
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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