Catechol violet indicator, Sigma-Aldrich®
Plastic bottle for solids, 5 g
Catalog # P7884-5G
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Discontinued
Product has been discontinued. However we found similar alternative products.
Alternatives
Pyrocatechol Violet, pure, indicator grade 1 * 5 g Catalog #ACRO146540050
Product ACRO146540050 is similar to P7884-5G but manufacturer and specifications may vary.
Catechol Violet 1 * 5 g Catalog #B23513.06
Product B23513.06 is similar to P7884-5G but manufacturer and specifications may vary.
Product Details & Documents
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
Synonyms: Pyrocatechol Violet
- CAS Number:115-41-3
- Formula:C₁₉H₁₄O₇S
- MDL Number:MFCD00005868
- Molecular Weight:386.38 g/mol
- Melting Pt:185 °C (dec., lit.)
- :M-Clarity™ quality level = MQ200
- Storage Temperature:Room Temperature
- EINECS:204-088-3
Specifications
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
Specifications
- Pack type:Plastic bottle for solids
- Pk:5 g