Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Non-Customized |
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Items | Specifications | Results |
Characters | ||
Appearance | White or yellowish-white, crystalline powder | White crystalline powder |
Solubility | Freely soluble in water, slightly soluble in anhydrous ethanol | Corresponds |
Identification | ||
B | Conforms to the RS spectrum | Corresponds |
F | Gives reaction of sodium | Corresponds |
Appearance of solution | Clear and GY4 | Corresponds |
pH | 8.0-9.5 | 9.1 |
Related substances | ||
Impurity A | ≤0.2% | 0.03% |
Single unspecified impurities | ≤0.10% | 0.02% |
Total impurities | ≤0.5% | 0.08% |
Sulfates | ≤200ppm | <200ppm |
Heavy metals | ≤10ppm | <10ppm |
Water | 6.0%~8.0% | 6.9% |
Assay (anhydrous) | 99.0%~101.0% | 100.0% |
Residual solvent | ||
Ethanol | ≤0.5% | 0.01% |
Conclusion | Conforms to current EP |
1KG/BAG OR 5KG/BAG