CAS No.: | 2321-07-5 |
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Formula: | C20h12o5 |
EINECS: | 219-031-8 |
Type: | Indicator |
Appearance: | Orange-Red Crystalline Powder |
Quality: | Ind |
Samples: |
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Customization: |
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Grade | Indicator |
Maximal absorption wavelength λ(PH8.0),nm |
490-493 |
Quality absorption coefficient λ(PH8.0),L/(cm·g) |
≥ 200 |
Solubility in alcohol | Passes test |
Sensitivity test | Passes test |
Loss on drying % | ≤ 5.0 |
Sulfated ash % | ≤0.3 |
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