Hoja de especificación
Nombre del producto
2′,4′,6′-Trihydroxyacetophenone monohydrate suitable for matrix substance for MALDI-MS, ≥99.5%
Número de producto
91928
Marca de producto
sial
Número CAS
249278-28-2
Peso molecular
186.16
Ensayo | Especificación |
|---|---|
| APPEARANCE (COLOR) | White to Light Yellow |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION (NT) TBAOH 0.1M | ≥ 99.5 % |
| PURITY (HPLC AREA %) | ≥ 99.5 % |
| MELTING POINT | 218 - 222 C |
| WATER | 8 - 11 % |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| MISCELLANEOUS TESTS | UV: CUT-OFF AT ≤ 400 NM (1 % IN ETHANOL) |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| CALCIUM (ICP) | ≤ 200 mg/kg |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 5 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| MAGNESIUM (ICP) | ≤ 5 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| SODIUM (ICP) | ≤ 50 mg/kg |
| NICKEL (ICP) | ≤ 5 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| RECOMMENDED RETEST PERIOD | 54 MONTHS |