Thymolphthalein Complexon AR
Complexometric indicator for Ba, Ca, Sr.
3,3'-Bis(N,N-di[carboxymethyl]aminomethyl)thymolphthalein; TPC; Thymolphthalexone
Product Code. |
02700 |
Grade |
|
Purity |
CAS No. |
1913-93-5 | |
Molecular Formula |
C38H44N2O12 |
Molecular Weight |
720.78 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
| Physical state at 20 °C |
Solid |
Colour |
White to off white |
Melting point/ Freezing point [°C] |
191 °C |
| 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 ?max, on dried substance) | 350 - 450 |
| Loss on drying (at 110°C) | Max 7.0% |
| Suitability (as indicator) | Passes test |