CAS Number
2538-85-4
Formula
C20H13N2NaO5S
Weight
416,39
| Appearance | Dark blackish brown powder |
| Identity (UV/VIS spectrum) | p/t. |
| Absorption maxima λ max. (buffer pH 12,2) | 634 - 640 nm |
| Specific absorptivity A1%,1cm (λ max;0,0015%;buffer pH 12,2, calculated on dried substance) | 250-500 |
| Loss on drying (at 110°C) | Max 10,0% |
| Suitability (as indicator for metal titration) | p/t. |
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