Table 1.
Characteristics of methylene blue.
| Parameters | Properties |
|---|---|
| Molecular formula | C16H18N3SCl |
| Molecular weight (g/mol) | 319.851 |
| Colour index number | 52015 |
| Density (g/mL) | 1.0 |
| Melting point (°C) | 190 |
| λmax (nm) | 665 |
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