PATTON AND REEDER'S REAGENT AR
| Product Code | B-01936 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 3737-95-9 |
| Molecular Formula | C21H14N2O7S | Molecular Weight | 438.42 |
| H.S.Code | 2927.00900 | Shelf Life | 60 Months |
| Purity | 99 % |

Physical Properties
| Physical state at 20 °C | Solid | Color | Dark red Powder |
|---|---|---|---|
| Solubility in water [% weight] | 8 g/l at 20 °C | Odour | Odorless |
| Melting point/ Freezing point [°C] | 300 °C | Partition coefficient Log Pow octanol / water at 20°C | 4.48 |
Packaging

Specification
| Appearance | Dark purple to black powder |
| Absorption maxima | 569 – 572 nm |
| Absorptivity (A 1%/1cm; at lmax) | Min 250 |
| Loss on dryig (at 135°C) | Max 7% |
| Suitability (as complexometric indicator) | Passes test |
Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
