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PYROCATECHOL VIOLET AR
For the Colorimetric determination of metals. Used in a rapid and sensitive method for tin.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0777 | AR | 115-41-3 | C19H14O7S | 386.38 | 3204.9000 | 60 Months |
Packings
| 1 g,5 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Yellow to pink |
| Melting point/ Freezing point [°C] | 185 °C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | Dark green to green metallic or Brown Crystalline powder |
| Absorption maxima (in methanol) | 441 to 449 nm |
| Specific absorptivity A1%/1 cm (λmax; methanol) | Min 375 |
| Appearance of solution (0.1% aq. solution ) | Clear |
| Suitability (for complexometric determination of metal oxides) | Passes test |
Safety Information and Hazard Symbols
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Revision Date : 03-Oct-2015
Certificate of Analysis (COA's)
To download COA please enter the batch number below