CAS Number
518-47-8
Formula
C20H10Na2O5
Weight
376,3
Uranin
Hygroscopic
| Assay (gravimetrically; calc. on dried substance) | ≥98 % |
| Identity (UV/VIS-Spectrum) | p/t. |
| Identity (IR-spectrum) | p/t. |
| pH (20 g/l, water) | 7,0-9,0 |
| Absorption maximum Amax. (buffer pH 8.0) | 490-492 nm |
| Spec. Absorptivity A 1%/1cm (Amax: 0.005 g/l; buffer pH 8.0; calc. on dried substance) | ≥1950 |
| As (Arsenic) | ≤0,0002 % |
| Cd (Cadmium) | ≤0,001 % |
| Cu (Copper) | ≤0,01 % |
| Pb (Lead) | ≤0,002 % |
| Zn (Zinc) | ≤0,01 % |
| Acriflavine | p/t. |
| TLC-Test | p/t. |
| Loss on drying (110 °C) | ≤10 % |
Copyright © 2019 ICON CHEMICAL. All Rights Reserved.