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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

COAs

Packings

1 g (00001)

5 g (00005)

1CLVI00055 1GBA000015
Print friendly version
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

Physical Properties

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

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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