THYMOLPHTHALEIN COMPLEXONE (COMPLEXOMETRIC INDICATOR) ^*

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
T0206300001	AR		1913-93-5	C₃₈H₄₄N₂O₁₂	720.78	3204.9000	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White to off white

Melting Point/ Freezing point [°C]

191 °C

Appearance:	White to off-white powder.
Loss on drying (at 110°C):	Max 7.0%
Suitability (as indicator):	Passes test
Absorption maxima (0.1N NaOH):	600 - 605nm
Absorptivity (A1%/1cm 0.1N NaOH, at λmax, on dried substance):	350 - 450
Solubility (0.1% in 95% ethanol):	Clear solution