O-Cresolphthalein

Listing ID #5850616

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Transition RangepH 8.2-9.8 Colorless-Red
Absorption maximum (0.1N NaOH) at ?max564-568nm
C.A.S. No.596-27-0
M.F.C22H18O4
Supply Type Manufacturer, Supplier

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Product Details

Appearance White-Off white powder
C.A.S. No. 596-27-0
Absorption maximum (0.1N NaOH) at ?max 564-568nm
Dye Content (by Spectrophotometry) >95%
Loss On Drying (110°C) <1%
Solubility 0.1% (EtOH) Clear solution
M.W. 346.38gm/mole
Transition Range pH 8.2-9.8 Colorless-Red
M.F. C22H18O4
Absorptivity (A1%1cm in 0.1N NaOH at ?max) >1670

Chemical Name

3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one

InChI Key

CPBJMKMKNCRKQB-UHFFFAOYSA-N

Solubility

Solubility Slightly soluble in water; soluble in ethanol

Cresolphthalein is a pH indicator used in titrations. It is insoluble in water but soluble in ethanol.

Applications:

o-Cresolphthalein due to its sharp and contrasting color change has potential of being used in many consumer products related to sanitation and visual confirmation Hence, the derived applications are in sensors, display device, photoresists, recording materials, imaging materials, authentication system for secure documents, decoder system, lithium cells, electroplating process, inks, markers, toners, correction fluid, paints, adhesives, floor coatings, gas leaking detector for safety in industries, toys, food storage, diapers, determination of calcium, lotions, urine analysis test strips, drugs and blood analysis

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Company Details

GSP Chem is world's leading integrated specialty color company and conducts business worldwide. Our success is driven by our people and their commitment to get results the right way—by operating responsibly, executing with excellence, applying innovative technologies and capturing new opportunities for profitable growth. We are involved in virtually every facet of the Stains & pH Indicator synthesis.