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Technical Data Sheet Rhein
Compound Information
Product Name:
Rhein
CAS No.:
478-43-3
Molecular Formula:
C15H8O6
Molecular Weight:
284.22
Storage:
Store at 2 -8 °C
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Synonym 1 | Rhein |
| Synonym 2 | Cassic acid |
| Synonym 3 | Rhubarb yellow |
| Appearance | Light yellow or brown crystalline powder |
| Melting Point | ≥300 °C (lit.) |
| Density | 1.3269 (rough estimate) |
| Refractive Index | 1.4413 (estimate) |
| Assay by titration | ≥ 95% |
| Purity by HPLC | ≥ 95% |
| Additional Information | λmax= 432(MeOH) nm |
| NMR | Pass test |
| IR | Pass test |
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