Description
8 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
| CAS | 2411-89-4 |
| Molecular Formula | C32H32N2O12 |
| Molecular Weight | 636.61 |
| 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 Lmax; 0.005G/L 0.1 M Naoh Solution) | Min 750 | Water (By Kf) | Max 10% |
| Suitability (As Indicator) | Passes test | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |















