Pyrocatechol Violet suitable for indicator

Sinônimo(s):

Catechol violet, Pyrocatecholsulfonphthalein

Empirical Formula (Hill Notation):

C₁₉H₁₄O₇S

Número CAS:

115-41-3

Peso molecular:

386.38

Beilstein:

353938

Número EC:

204-088-3

Número MDL:

MFCD00005868

ID de substância PubChem:

24898883

NACRES:

NA.47

forma

powder

Nível de qualidade

200

technique(s)

titration: suitable

pf

185 °C (dec.) (lit.)

solubilidade

water: 1 mg/mL

adequação

suitable for indicator

application(s)

diagnostic assay manufacturing
hematology
histology

temperatura de armazenamento

room temp

SMILES string

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

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+

InChI key

HGPSVOAVAYJEIJ-XDHOZWIPSA-N

Descrição geral

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

Aplicação

Complexometric indicator

Pyrocatechol Violet has been used in the formation of dye-metal complexes.[1] It has also been used to determine Cu²⁺ chelating activity.[2]

Embalagem

5, 10 g in glass bottle