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PYROGALLOL RED AR
Metal (pM) Indicator
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0778 | AR | 32638-88-3 | C19H12O8S | 400.04 | 2934.9990 | 60 Months |
Packings
| 1 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Dark brown powder |
| Melting point/ Freezing point [°C] | >= 300 °C |
| Boiling point [°C] | 148 - 150 °C |
| Initial boiling point [°C] | 148°C |
| Final boiling point [°C] | 150 °C |
| Density [g/cm3] | 0.988 |
| Solubility in water [% weight] | Insoluble in water |
Specifications
| Appearance | Green to brown colored powder |
| Absorption maxima in pyridine/water | 540 - 546 nm |
| Absorptivity (A 1%/1cm; at λmax) | Min 850 |
| Loss on drying (at 135°C) | Max 5% |
| Residue on ignition (as SO4) | Max 1% |
Safety Information and Hazard Symbols
| Symbol | |
| Signal Word | |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | 22-24/25 |
Revision Date : 14-Dec-2013
Certificate of Analysis (COA's)
To download COA please enter the batch number below