Description
Synonyms: o-Cresolphthalein-3′,3′′-bis-methyleneiminodiacetic acid, o-Cresolphthalexon, Metal phthalein, Phthalein purple, Xylenylphthalein-bisiminodiacetic acid
Empirical Formula (Hill Notation): C32H32N2O12
General description
o-Cresolphthalein Complexone is a pH indicator dye commonly used for the calorimetric determination of calcium in serum.
Application
o-Cresolphthalein Complexone has been used in the estimation of calcium in serum samples based on the reaction of Ca2+ with o-cresolphthalein complexone in an alkaline solution.
PROPERTIES
form
powder
Pack Size
10 g
color
white to off-white
mp
181-185 °C (dec.) (lit.)
solubility
methanol: 1 mg/mL
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
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