Chlorophenol red

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Chlorophenol red
Skeletal formula of chlorophenol red in cyclic form
Ball-and-stick model of the chlorophenol red molecule in cyclic form
Names
IUPAC name
2-Chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]phenol
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.022.382
EC Number 224-619-2
Properties
C19H12Cl2O5S
Molar mass 423.27 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references
{{{indicator_name}}} (pH indicator)
below pH 4.8 above pH 6.7
4.8 6.7

Chlorophenol red is an indicator dye that changes color from yellow to violet in the pH range 4.8 to 6.7. The lambda max is at 572 nm.

References[edit]