Pyrocatechol Violet is a complexometric indicator dye. This phthalein dye chelates metals to form blue to blue-violet complexs. It is also a pH indicator with a transition interval from 0 - 8 (red to violet). It is known to be unstable when alkaline. The stability is improved at a neutral pH. When the pH is between 2-7 the color may be yellow.
Specifications and Purity: 0.1%
MDL Number: MFCD00005868
Molecular Formula: C19H14O7S
Molecular Weight: 386.38
EC Number: 204-088-3
PubChem CID: 66993
Isomeric SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)O)C4=CC(=C(C=C4)O)O
Beilstein Registry Number: 353938
- UPC:
- 12171503
- Condition:
- New
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- P299248-100ml
- CAS:
- 115-41-3
- Product Size:
- 100ml
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