Catechol violet indicator, Sigma-Aldrich®
Plastic bottle for solids, 5 g
P7884-5G
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
: Pyrocatechol Violet
- :115-41-3
- :C₁₉H₁₄O₇S
- :MFCD00005868
- :386.38 g/mol
- :185 °C (dec., lit.)
- :M-Clarity™ quality level = MQ200
- :Room Temperature
- :204-088-3
- 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
- Pack type:Plastic bottle for solids
- Pk:5 g
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