Violeta De Pirocatecol (Pyrocatechol Violet) - 10 Gr - Sigma
Código: 18682
Pyrocatechol Violet suitable for indicator
Sinônimo(s):
Catechol violet, Pyrocatecholsulfonphthalein
Empirical Formula (Hill Notation):
C19H14O7S
Número CAS:
Peso molecular:
386.38
Beilstein:
353938
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.47
forma
powder
Nível de qualidade
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