Product name: Pyrocatechol Violet
No.:A055
CAS No.: 115-41-3
M F: C19H14N3O7S2
Property: Reddish brown powder, soluble in water and alcohol.
Molecular weight: 386.37
Use: Complexometric indicator.
Technical index |
Item: | Technical grade |
Soluble test in water | Qualified |
Sensitivity test to bismuth | Qualified |
Ignition residue % | ≤0.4 |
Sensitivity test to acid and alkali | Qualified |