.png)
PHENOL RED AR/ACS
pH Indicator
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC3664 | AR/ACS | 143-74-8 | C19H14O5S | 354.38 | 2934.9990 | 60 Months |
Packings
| 5 g,25 g,100 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Dark red powder |
| Odour | Odorless |
| Solubility in water [% weight] | Slightly soluble in water |
Specifications
| Appearance | Reddish powder |
| Visual transition range | From pH 6.8 (Yellow) - 8.2 (Red) |
| Absorption maxima at pH 6.5 (λ1) | 430 - 435 nm |
| Absorption maxima at pH 8.2 (λ2) | 557 - 560 nm |
| Loss on drying (at 110°C) | Max 5.0% |
| Clarity of solution | Passes ACS test |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |