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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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