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PATTON AND REEDER’S REAGENT AR Calconcarboxylic acid
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General
Description
| Article No. | 05131 | Grade | AR |
| Purity | CAS No. | 3737-95-9 | |
| Molecular Formula | C21H14N2O7S | Molecular Weight | 438.42 |
| H.S. Code | 2927.0090 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Dark red powder | ||||
| Odour | Odorless | Melting point/ Freezing point [°C] | 300 °C | ||||
| Solubility in water [% weight] | 8 g/l at 20 °C | Partition coefficient Log Pow octanol / water at 20°C | 4.48 | ||||
Specifications
| Appearance | Dark purple to black powder | Absorption maxima | 569 – 572 nm |
| Absorptivity (A 1%/1cm; at λmax) | Min 250 | Loss on drying (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
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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