Specification Sheet
Product Name
Curcumin suitable for matrix substance for MALDI-MS, ≥99.5% (HPLC)
Product Number
78246
Product Brand
SIAL
CAS Number
458-37-7
Molecular Weight
368.38
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | Yellow to Very Dark Yellow and Orange to Very Dark Orange |
| APPEARANCE (FORM) | Powder or Crystals |
| PURITY (HPLC AREA %) | ≥ 99.5 % |
| MELTING POINT | 183 - 188 C |
| CARBON CONTENT | 68.47 % (theory) |
| HYDROGEN CONTENT | 5.47 % (theory) |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| BARIUM (ICP) | ≤ 5 mg/kg |
| CALCIUM (ICP) | ≤ 100 mg/kg |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 30 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| MAGNESIUM (ICP) | ≤ 30 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 | 36 MONTHS |