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o-CRESOLPHTHALEIN Indicator grade
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC3663 | Indicator grade | 596-27-0 | C22H18O4 | 346.39 | 2932.2090 | 60 Months |
Packings
| 5 g,25 g,500 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Light brown |
| Melting point/ Freezing point [°C] | 219 - 221 °C |
Specifications
| Appearance | White to light yellow and faint beige to light beige and faint brown to light brown powder |
| pH 8.2-9.8 | Colourless to violet red |
| Absorption maxima in 0.1 N NaOH | 565 - 569 nm |
| Specific absorptivity A1%/1cm (at λmax) | Min 1500 |
| Insoluble matter in ethanol | Passes test |
| Loss on drying (at 135°C) | Max 0.5% |
| Sulphated ash | Max 0.5% |
Safety Information and Hazard Symbols
| Symbol | |
| Signal Word | |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | |