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 |