Catechol violet indicator, Sigma-Aldrich®

Irritant

Supplier: SIGMA ALDRICH MICROSCOPY

Catechol violet indicator, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Catechol violet indicator, Sigma-Aldrich®

Jump to:

Specifications for Product Family Product Family Options

About this item

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

2 Options Available Below

Return Policy

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 for Product Family

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

Product Family Options

Product Information

Acetonitrile, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments

#: 83639.320

Supplier: VWR Chemicals

Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

#: 20864.320

Supplier: VWR Chemicals

VWR®, Transfer Pipettes, High Performance

#: 612-1681

Supplier: VWR Collection

Acetone ≥99%, TECHNICAL

#: 20063.365

Supplier: VWR Chemicals

VWR®, Nitrile Gloves

#: 112-2371

Supplier: VWR Collection

VWR® Serological Pipette, Standard Line

#: 612-3700

Supplier: VWR Collection

VWR® NITRILE LIGHT, Nitrile Gloves

#: 112-2756

Supplier: VWR Collection

VWR® Facial Tissues

#: 115-0600

Supplier: VWR Collection

Acetonitrile ≥99.9%, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

#: 83640.320

Supplier: VWR Chemicals

Nitrile gloves, Kimtech™ Purple Nitrile™

#: 112-4847

Supplier: Ansell

Acetonitrile ≥99.9%, LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®

#: 1.00030.2500

Supplier: Merck

pH indicator strips, MQuant®, Supelco®

#: 1.09535.0001

Supplier: Merck

Sealing film for manual application, Parafilm® M

#: 291-0057

Supplier: HEATHROW

Water, HiPerSolv CHROMANORM® for HPLC

#: 23595.328

Supplier: VWR Chemicals

Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution

#: 31770.294

Supplier: VWR Chemicals

VWR® AVS TITRINORM Buffer Solutions, 20 °C

#: 32096.291

Supplier: VWR Chemicals

Water, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

#: 83645.320

Supplier: VWR Chemicals

VWR® Nitrile Extra Light, Nitrile Gloves

#: 112-4195

Supplier: VWR Collection

Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®

#: 1.09439.1000

Supplier: Merck

epT.I.P.S.® Bulk - Pipette Tips

#: 613-3508

Supplier: EPPENDORF