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Merck
CN

P7884

Pyrocatechol Violet

Powder

Synonym(s):

Catechol violet, Pyrocatecholsulfonphthalein

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About This Item

Empirical Formula (Hill Notation):
C19H14O7S
CAS Number:
115-41-3
Molecular Weight:
386.38
NACRES:
NA.47
PubChem Substance ID:
24898883
UNSPSC Code:
12171500
EC Number:
204-088-3
MDL number:
MFCD00005868
Beilstein/REAXYS Number:
353938

Key Documents

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Product Name

Pyrocatechol Violet, suitable for indicator

InChI key

HGPSVOAVAYJEIJ-XDHOZWIPSA-N

InChI

1S/C19H14O7S/c20-14-7-5-11(9-16(14)22)19(12-6-8-15(21)17(23)10-12)13-3-1-2-4-18(13)27(24,25)26/h1-10,20,22-23H,(H,24,25,26)/b19-12+

SMILES string

Oc1ccc(cc1O)C(=C2\C=CC(=O)C(O)=C2)\c3ccccc3S(O)(=O)=O

form

powder

technique(s)

titration: suitable

mp

185 °C (dec.) (lit.)

solubility

water: 1 mg/mL

suitability

suitable for indicator

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Related Categories

Application

Complexometric indicator
Pyrocatechol Violet has been used in the formation of dye-metal complexes. It has also been used to determine Cu2+ chelating activity.

General description

Pyrocatechol Violet (PV) is a sulfone phthalein dye. It chelates metal ions. The metal-PV complex is bluish-violet in color.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS6087
SHBR3498
SHBQ7678
SHBP4353
SHBN4816

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Colorimetric assay for ?-lactamase activity using cocktail of penicillin and 4-(2-pyridylazo)resorcinol (PAR)?2Hg2+ complex
Suji Lee
Dyes and Pigments, 137 (2017)
Lei Zhu et al.
Journal of the American Chemical Society, 127(12), 4260-4269 (2005-03-24)
Enantioselective association events between boronic acid receptors and bifunctional substrates such as alpha-hydroxycarboxylates and vicinal diols were exploited to develop enantioselective indicator-displacement assays. It was found that the sensitivity of the assay could be tuned by using either colorimetric or
A K Flaten et al.
The Science of the total environment, 207(1), 21-28 (1997-12-16)
Aluminium-organic species in tea infusions were studied by size exclusion chromatography, using a Superose 12 HR column, a mobile phase of 0.12 mol l-1 tris(hydroxymethyl)aminomethane adjusted to pH 5.5 and detection by UV-visible spectrophotometry. Aluminium was detected after post-column reaction
Berrin Buke et al.
Journal of hazardous materials, 163(2-3), 1298-1302 (2008-09-03)
An on-line solid phase extraction method for the preconcentration and determination of Cu(II) by flame atomic absorption spectrometry (FAAS) has been described. It is based on the adsorption of copper(II) ion onto a home made mini column of Chromosorb 105
Yan Wang
Colloids and surfaces. B, Biointerfaces, 88(2), 614-621 (2011-08-23)
A sensitive and selective electrochemical method was developed for simultaneous determination of uric acid (UA), xanthine (XA) and hypoxanthine (HX) based on a poly (pyrocatechol violet)/carboxyl functionalized multi-walled carbon nanotubes composite film modified electrode. The preparation and basic electrochemical performance
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