4-(2-Pyridylazo) Resorcinol 5Grm
4-(2-Pyridylazo)resorcinol monosodium salt monohydrate metal indicator Reag. Ph Eur. CAS 16593-81-0, pH 9.8 (10 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 107533.0005
Stock: In Stock
Description
| Catalogue Number | 107533 |
| Synonyms | PAR |
Product Information
| CAS number | 16593-81-0 |
| EC number | 236-339-8 |
| Grade | Reag. Ph Eur |
| Hill Formula | C₁₁H₈N₃NaO₂ * H₂O |
| Molar Mass | 255.21 g/mol |
| HS Code | 2933 39 99 |
Applications
| Application | 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate metal indicator Reag. Ph Eur. CAS 16593-81-0, pH 9.8 (10 g/l, H₂O, 20 °C). |
Physicochemical Information
| pH value | 9.8 (10 g/l, H₂O, 20 °C) |
| Bulk density | 630 kg/m3 |
| Solubility | 38 g/l |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (Perchloric acid titration, calc. on anhydrous substance) | ≥ 99 |
| Appearance of solution | passes test |
| Water (according to Karl Fischer) | 7 - 8 |
| Suitability as indicator (for metal titration) | passes test |
