Fluorescein(Cas No.2321-07-5)
Product Description
Items | Technical index |
Product name | Fluorescein |
Synonym | 2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicacid |
Appearance | Orange-red crystalline powder |
Maximum absorption wave-length λ(PH8.0) | 490-493 nm |
Mass-absorption coefficient λ(PH8.0)L/cm·g | 200 min |
Ethanol soluble test | qualified |
Sensitive test | qualified |
Loss on drying | 5.0%max |
Residue on ignition(as sulfate) | 0.3%max |
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