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| LC678 Bromophenol red indicator |
| Order number | Packaging | Quantity | Price € |
| AC27678 | Glass bottle | 5 g | 85.5 |
| Product information | |
| Synonyms | 3′,3”-Dibromophenolsulfonphthalein, BPR |
| Hill Formula | C19H12Br2O5S |
| HS Code | 2934 99 90 |
| EC number | 220-538-1 |
| Molar mass | 512.18 g/mol |
| CAS number | 2800-80-8 |
| Chemical and physical data | |
| Solubility | (20 °C) slightly soluble |
| Melting point | ca.230 °C (decomposition) |
| Molar mass | 512.18 g/mol |
| Bulk density | 770 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 | |
| Identity (UV/VIS-Spectrum) | passes test |
| Transition range | pH 4.7 – pH 6.3 Yellow to purple |
| Absorption maximum λ 1 (buffer pH 4.7) | 435 – 440 nm |
| Absorption maximum λ 2 (buffer pH 6.3) | 574 – 577 nm |
| Spec. Absorptivity A 1%/1cm – λ17m7ax; 0.01 g/l; buffer pH 4.7; calculated on anhydrous substance |
≥ 380 |
| – λ27m7ax; 0.01 g/l; Puffer pH 6.3; calculated on anhydrous substance | ≥ 760 |
| Water (according to Karl Fischer) | ≤ 5 % |
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