o-CRESOLPHTHALEIN COMPLEXONE For Complexometry

Reagent for the automated determination of calcium in
serum indicator for complexometric titration of Mg, Ca,
Ba, Sr and SO4.
o-Cresolphthalein-3',3''-bis-methyleneiminodiacetic acid; o-Cresolphthalexon; Metal phthalein; Phthalein purple; Xylenylphthalein-bisiminodiacetic acid

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Article No.
03011
Grade
For Complexometry
Purity
CAS No.
2411-89-4
Molecular Formula
C32H32N2O12
Molecular Weight
636.61
H.S. Code
2933.2990
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
Light brown
Melting point/ Freezing point [°C]
219 - 221 °C

Packings

  • 1CLVI00055

    1 g (00001)

  • 1GBA000015

    5 g (00005)

 

Specifications

Appearance Off-white to pink beige powder
Absorption maxima in 0.1mol/L NaOH 573 - 579 nm
Absorptivity (1%/1cm; at λmax; 0.005g/L 0.1 M NaOH solution) Min 750
Water (by KF) Max 10%
Suitability (as indicator) Passes test

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date : 23-Sep-2020
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