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Violet de catechol indicateur, Sigma-Aldrich®

Marques : SIGMA ALDRICH MICROSCOPY
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

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Synonyme(s): Pyrocatechol Violet

M-Clarity™ (Niveau de Qualité) = MQ200

P7884-5G P7884-10G
P7884-5GEA 89.7 EUR
P7884-5G P7884-10G
Violet de catechol indicateur, Sigma-Aldrich®
Violet de catechol

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

Formule: C₁₉H₁₄O₇S
Poids moléculaire: 386.38 g/mol
Point de fusion: 185 °C (déc., lit.)
Température de stockage: Room Temperature
Numéro MDL: MFCD00005868
Numéro CAS: 115-41-3
EINECS: 204-088-3
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Résultats des tests de spécification

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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