Product name: M-Methyl red
No.: A021
CAS No.: 20691-84-3
M F: C17H19N3O2
Property: Scarlet glossy powder, soluble in ethyl alcohol, insoluble in water, as acid-base indicator
Molecular weight: 297.36
Use: Acid-base indicator, pH color change range 2.0(red)~4.0(yellow)
Technical index |
Item: | Technical grade |
Soluble test in ethyl alcohol | Qualified |
PH color change range | 2.0(red)-4.0(yellow) |
Ignition residue% | ≤0.2 |
Bromine oxidation test | Qualified |