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| LC5471 Thymolphthalein indicator ACS,Reag. Ph Eur |
| Order number | Packaging | Quantity | Price € |
| AC32471 | Glass bottle | 5 g | 19.8 |
| AC32471 | Glass bottle | 25 g | 58.05 |
| AC32471 | Glass bottle | 100 g | 189.00 |
| Product information | |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C28H30O4 |
| HS Code | 2932 29 85 |
| EC number | 204-729-7 |
| Molar mass | 430.54 g/mol |
| CAS number | 125-20-2 |
| Chemical and physical data | |
| Solubility | (20 °C) practically insoluble |
| Melting point | 253 °C |
| Molar mass | 430.54 g/mol |
| Bulk density | 400 kg/m3 |
| Safety information | |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 3 highly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Specifications | |
| Appearance | White to almost white powder, eventually slightly yellowish. |
| Identity (UV/VIS-Spectrum) | passes test |
| Absorption maximum λ max (buffer pH 10.5) | 592 – 596 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 10.5; calculated on anhydrous substance) | 800 – 900 |
| Transition range – according to ACS |
passes test |
| pH 9.0 – pH 10.5 colourless – blue | |
| Loss on drying (110 °C) | ≤ 1 % |
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