THYMOLPHTHALEIN COMPLEXONE
THYMOLPHTHALEIN COMPLEXONE AR
Complexometric indicator for Ba, Ca, Sr.
Short Name: THYMOLPHTHALEIN COMPLEXONE
Synonym: 3,3'-Bis(N,N-di[carboxymethyl]aminomethyl)thymolphthalein; TPC; Thymolphthalexone
Basic Details
Article No.
LG4560
Grade
AR
Purity
CAS No.
1913-93-5
HS Code
3204.9000
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White to off white
Melting point/ Freezing point [°C]
191 °C
Chemical Specifications
Appearance
White to off-white powder.
Solubility (0.1% in 95% ethanol)
Clear solution
Absorption maxima (0.1N NaOH)
600 - 605nm
Absorptivity (A1%/1cm 0.1N NaOH, at λmax, on dried substance)
350 - 450
Loss on drying (at 110°C)
Max 7.0%
Suitability (as indicator)
Passes test
Safety Information & Hazard Symbols