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LC4137 Methylthymol blue sodium saltfor synthesis |
| Order number | Packaging | Quantity | Price € |
| AC31137 | Plastic bottle | 1 g | 27.68 |
| AC31137 | Plastic bottle | 5 g | 93.6 |
| Product information | |
| Hill Formula | C37H40N2Na4O13S |
| HS Code | 2934 99 90 |
| EC number | 217-743-3 |
| Molar mass | 844.76 g/mol |
| CAS number | 1945-77-3 |
| Chemical and physical data | |
| Solubility | 460 g/l (20 °C) |
| Molar mass | 844.76 g/mol |
| Bulk density | 570 kg/m3 |
| pH value | 6.2 (10 g/l, H2O, 20 °C) |
| 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 |
| Absorption maximum λ 1 (buffer pH 7.0) | 602 – 606 nm |
| Absorption maximum λ 2 (buffer pH 7.0) | 430 – 450 nm |
| Spec. Absorptivity A 1%/1cm – λ17m7ax; 0.04 g/l; buffer pH 7.0; calc. on dried substance |
≥ 60 |
| – λ27m7ax; 0.04 g/l; buffer pH 7.0; calc. on dried substance | ≥ 85 |
| Loss on drying (50 °C/ < 1 hPa; 3h) | ≤ 7 % |
| Suitability as indicator (for metal titration) | passes test |
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