4-(2-Pyridylazo)resorcinol monosodium salt monohydrate metal indicator Reag. Ph Eur

Code: 1075330005 D2-231

Analysis Note

Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99Appearance of solution: passes testWater (according to Karl Fischer): 7 - 8Suitabilit...


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Analysis Note

Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99Appearance of solution: passes testWater (according to Karl Fischer): 7 - 8Suitability as indicator (for metal titration): passes test

agencyreag. Ph. Eur.
bulk density630 kg/m3
formsolid
InChI keyVLCAILLZPUINNF-UKTHLTGXSA-N
InChI1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,16H,(H,12,14)/b13-9+
pH9.8 (20 °C, 10 g/L in H2O)
Quality Level100
solubility38 g/L
storage temp.2-30°C
Cas Number16593-81-0
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