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 |