Description
For photometric determination of Copper and Zinc.
2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid monosodium salt, 2-Carboxy-2'-hydroxy-5'-sulfoformazyl-benzene monosodium salt; Zincon monosodium salt
| CAS | 62625-22-3 |
| Molecular Formula | C20H15N4NaO6S.H2O |
| Molecular Weight | 480.43 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Dark violet powder |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 250 – 260 °C |
| Specifications | |||
| Appearance | Dark violet powder | Absorption Maxima in Naoh 0.001 Mol/L | 490 – 495 nm |
| Absorptivity (A 1%/1Cm; at Lmax) | Min 375 | Loss On Dryig (At 135°C) | Max 10% |
| Suitability (As Complexometric Indicator) | Passes test | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319 |
| Precaution Statement | P305 + P351 + P338 |















