1-Naphtholbenzein Indicator 5Grm
indicator Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106202.0005
Stock: In Stock
Description
| Catalogue Number | 106202 |
Product Information
| CAS number | 145-50-6 |
| EC number | 205-656-3 |
| Grade | Reag. Ph Eur |
| Hill Formula | C₂₇H₁₈O₂ |
| Molar Mass | 374.44 g/mol |
| HS Code | 2914 50 00 |
Physicochemical Information
| Melting Point | 243 - 245 °C |
| Bulk density | 120 - 300 kg/m3 |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Identity (IR-spectrum) | passes test |
| Identity (UV/VIS-Spectrum) | passes test |
| Absorption maximum λmax. (perchloric acid (0,1 mol/l) in acetic acid) | 622 - 626 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; perchloric acid (0,1 mol/l) in acetic acid; calculated on dried substance) | 640 - 950 |
| Transition range | pH 8,0 - pH 9,6; apricot - turquoiseblue |
| Loss on Drying (105°C) | ≤ 7 % |
| Suitability as indicator (for non-aqueous titration) | passes test |
