Identity
Classification
- Categories
- Indicators primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | Dark red powder | — |
| Odour | Odorless | — |
| Melting point/ Freezing point [°C] | 285 °C | °C |
| Solubility in water [% weight] | Soluble in water | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | Dark red to brown powder | — |
| Transition range (pH 6.5 - 8.2) | Yellow - Red | — |
| Absorption maxima at pH 6.5 (λ1) | 430 - 435 nm | nm |
| Absorption maxima at pH 8.2 (λ2) | 557 - 560 nm | nm |
| Loss on drying (110 °C) | Max 5 % | % |
Packaging
| Pack size | SKU |
|---|---|
| 5 g | RA002038-PK-5G |
| 25 g | RA002038-PK-25G |
| 1 kg | RA002038-PK-1KG |