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THYMOLPHTHALEIN COMPLEXONE AR Complexometric indicator for Ba, Ca, Sr. 3,3′-Bis(N,N-di[carboxymethyl]aminomethyl)thymolphthalein; TPC; Thymolphthalexone
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Specification
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General
Description
| Article No. | 06308 | Grade | AR |
| Purity | CAS No. | 1913-93-5 | |
| Molecular Formula | C38H44N2O12 | Molecular Weight | 720.78 |
| H.S. Code | 3204.9000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White to off white | ||||
| Melting point/ Freezing point [°C] | 191 °C | ||||||
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 |
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