Catechol violet indicator, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Warning
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Synonyms:
Pyrocatechol Violet
M-Clarity™ quality level = MQ200
P7884-5G
P7884-10G
P7884-5GEA
58.7
GBP
P7884-5G
P7884-10G
Catechol violet indicator, Sigma-Aldrich®
Catechol violet
Pyrocatechol Violet (PV) is a sulfone phthalein dye. It chelates metal ions. The metal-PV complex is bluish-violet in colour.
- Complexometric indicator
- Pyrocatechol Violet has been used in the formation of dye-metal complexes
- It has also been used to determine Cu²⁺ chelating activity
Formula:
C₁₉H₁₄O₇S MW: 386,38 g/mol Melting Pt: 185 °C (dec., lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00005868 CAS Number: 115-41-3 EINECS: 204-088-3 |
Specification Test Results
Appearance (Form) | Powder |
1H NMR Spectrum | Conforms to Structure |
Solubility (Colour), c = 10 mg/10 ml; Water | Faint Brown to Brown and Faint Red to Dark Red |
Suitability, Suitable for use as an indicator for EDTA titrations | Suitable |
Suitability, Suitable for use as a pH indicator | Suitable |
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