Factory supply indicator Methyl Red with enough stock cas 493-52-7 powder
| Methyl Red Basic information | |
| Product Name: | Methyl Red |
| CAS: | 493-52-7 |
| MF: | C15H15N3O2 |
| MW: | 269.3 |
| EINECS: | 207-776-1 |
| Methyl Red Chemical Properties | |
| Melting point | 178-182°C |
| Boiling point | 412.44°C (rough estimate) |
| density | 0.839 g/mL at 25 °C |
| vapor density | 9.3 (vs air) |
| refractive index | 1.5930 (estimate) |
| Fp | 11 °C |
| storage temp. | −20°C |
| solubility | ethanol: soluble1mg/mL |
| Colour Index | 13020 |
| form | Solid |
| pka | 4.95(at 25ºC) |
| color | Reddish-violet |
| Odor | Odorless |
| PH Range | 4.4(red)-6.3(yellow) |
| Testing Items | Specification | Testing Result |
| PHcolor domain | 2.0(red)-4.0(yellow) | 2.0(red)-4.0(yellow) |
| (sulfate) Burning residue ≤ | 0.2 | 0.1 |
| Ethanol dissolution test | Qualified | Qualified |
| Bromination test | Qualified | Qualified |