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Technical Data Sheet Curcumin
Compound Information
Product Name:
Curcumin
CAS No.:
458-37-7
Molecular Formula:
C21H20O6
Molecular Weight:
368.38
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Native Source | Turmeric rhizome |
| Appearance | Orange-yellow powder |
| Identification | Consistent with structure and standard |
| Purity (HPLC) | 95.44% (Dried basis) |
| Residue on Ignition | 0.19% |
| Solubility | ethanol: 10 mg/mL |
| Visual Transition Range | pH 7.4 (Yellow) - pH 8.6 (Red); pH 10.2 (Red) - pH 11.8 (Orange) |
| Loss on Drying | 0.15% at 105 °C |
| Arsenic | < 0.1 ppm |
| Cadmium | < 0.1 ppm |
| Lead | < 0.50 ppm |
| MS | Pass test |
| ¹H NMR | Pass test |
| ¹³C NMR | Pass test |
| IR | Pass test |
| Raman | Pass test |
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