Phthalein Purple(Metalphalein) 10Grm
metal indicator Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 107297.0010
Stock: In Stock
Description
| Catalogue Number | 107297 |
| Synonyms | Xylenolphthalein-bis(iminodiacetic acid), Metal phthaleine, Cresol phthalexone |
Product Information
| CAS number | 2411-89-4 |
| EC number | 219-318-8 |
| Grade | Reag. Ph Eur |
| Hill Formula | C₃₂H₃₂N₂O₁₂ |
| Molar Mass | 636.62 g/mol |
| HS Code | 2932 20 90 |
Physicochemical Information
| Melting Point | 186 °C |
| Bulk density | 50 kg/m3 |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Identity (UV/VIS-Spectrum) | passes test |
| Absorption maximum λmax. (Sodium hydroxide solution 0.1 mol/l) | 577 - 580 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; sodium hydroxide solution 0.1 mol/l; calc. on anhydrous substance) | ≥ 750 |
| Water (according to Karl Fischer) | ≤ 10 % |
| Suitability as indicator (for metal titration) | passes test |
