1,3-Diméthylurée 98%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Formule:
C₃H₈N₂O Point d'ébullition: 268 °C (1013 hPa) Point de fusion: 101…105 °C Densité: 1,142 g/cm³ (20 °C) Point éclair: 157 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00008286 Numéro CAS: 96-31-1 EINECS: 202-498-7 |
Résultats des tests de spécification
Appearance | White Crystalline powder or crystals |
Infrared spectrum | Conforms |
Melting point | 103 to 108 °C |
HPLC | ≥97.5 % |
Carboniz. sub. by hot H2SO4 | (tartrates, etc) Passes test |
Chloride (Cl) | ≤10 ppm |
Oxalate (C2O4) | (limit about 0.05%) Passes test |
Phosphate (PO4) | ≤10 ppm |
Iron (Fe) | ≤3 ppm |
Lead (Pb) | ≤2 ppm |
Sulfur compounds (as SO4) | ≤20 ppm |
Insoluble matter | ≤0.005 % |
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