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Catechol Violet
Catechol Violet
Catechol Violet
Thermo Scientific Chemicals

Catechol Violet

CAS: 115-41-3 | C19H14O7S | 386.37 g/mol
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Catalog number B23513.06
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56.65
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Quantity:
5 g
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Price (USD)
56.65
Special offer
Online exclusive
Ends: 30-Jun-2026
66.90
Save 10.25 (15%)
Each
Chemical Identifiers
CAS115-41-3
IUPAC Name3,3-bis(3,4-dihydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Molecular FormulaC19H14O7S
InChI KeyRRRCKIRSVQAAAS-UHFFFAOYSA-N
SMILESOC1=CC=C(C=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(O)=C1
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Green or brown to dark brown
lambda-max (UV-Vis)Report
FormCrystals or powder or crystalline powder
Appearance (Color)Green or brown to dark brown
FormCrystals or powder or crystalline powder
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Catechol Violet is used as a complexometric indicator dye. It inhibits the synthesis of globin in reticulocyte lysates. It is also used as a pH indicator with a transition interval from 0 to 8.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Catechol Violet is used as a complexometric indicator dye. It inhibits the synthesis of globin in reticulocyte lysates. It is also used as a pH indicator with a transition interval from 0 to 8.

Solubility
Soluble in water, ethylene glycol, monomethyl ether and ethanol.

Notes
Incompatible with strong oxidizing agents.
RUO – Research Use Only

General References:

  1. Indicator for complexometry.
  2. Used in colorimetric determination of many metals.
  3. Ng, C. H.; Ohlin, C. A.; Winther-Jensen, B. Characterisation of a series of triarylmethane dyes as light harvesters for photo-electrochemical systems. Dyes Pigm. 2015, 115, 96-101.
  4. Lee, C. F.; Liu, Y. C.; Badsara, S. S. Transition-Metal-Catalyzed C-S Bond Coupling Reaction. Chem. Asian J. 2014, 9 (3), 706-722.