Customization: | Available |
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CAS No.: | 65666-07-1 |
Formula: | C25h22o10 |
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Audited by an independent third-party inspection agency
1. | Appearance | Amorphous Powder | |
2. | Colour | Yellowish-Brown | |
3. | Odour | Slight, Specific | |
4. | Solubility | ||
- in Water | Soluble | ||
- in Methanol and Acetone | Soluble | ||
- in Aether and Methenyl chloride | Insoluble | ||
5. | Identification | ||
- Positive Reaction | To Comply with The Test | ||
- Ultraviolet Spectrophotometry | Absorption Maximum in 288nm | ||
6. | Sulphated Ash | NMT 0.6% | |
7. | Heavy metals | NMT 20 PPM | |
- Lead - Atomic Absorption | NMT 0.5 PPM | ||
- Cadmium - Atomic Absorption | NMT 1.5 PPM | ||
- Mercury - Atomic Absorption | NMT 0.1 PPM | ||
- Arsenic - Atomic Absorption | NMT 3.0 PPM | ||
8. | Loss On Drying (2 Hours 105 ºC) | NMT 5.0% | |
9. | Powder size | 80Mesh, NLT90% | |
10. | Assay of Silymarin (Test by HPLC ) | Min. 35.0 | |
11. | Residual Solvents | ||
- N-hexane | NMT 290 PPM | ||
- Methanol | NMT 3000 PPM | ||
- Ethyl Acetate | NMT 5000 PPM | ||
- Ethanol | NMT 5000 PPM | ||
12. | Pesticide Residues | USP <561> | |
13. | Microbiological Quality (Total viable aerobic count) | ||
- Bacteria, CFU/g, not more than | 103 | ||
- Moulds and yeasts, CFU/g, not more than | 102 | ||
- E.coli, Salmonella, S. aureus, CFU/g | Absence | ||