| Melting point | 190 °C (dec.)(lit.) |
| density | 1.0 g/mL at 20 °C |
| refractive index | n20/D1.347 |
| Fp | 45 °C |
| storage temp. | room temp |
| solubility | Soluble in water, ethanol, ethylene glycol, methyl cellosolve |
| pka | 2.6, 11.2(at 25℃) |
| form | Liquid |
| Colour Index | 52015 |
| Specific Gravity | 0.98 |
| color | Green |
| Odor | Odorless |
| Water Solubility | 40 g/L (20 ºC) |
| λmax | 661 nm |
| Merck | 14,6060 |
| BRN | 3641570 |
| Biological Applications | Detecting microorganisms; treating diabetic retinopathy,macular degeneration,malignant uveal melanomas,erysipelas,hidradenitis suppurativa,inflammation,skin diseases |
| NIST Chemistry Reference | Methylene blue(61-73-4) |
| EPA Substance Registry System | Methylene blue (61-73-4) |
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