Identity
Classification
- Categories
- Indicators primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White powder | — |
| Odour | Odorless | — |
| Melting point/ Freezing point [°C] | 261 - 263 °C | °C |
| Density [g/cm3] | 1.299 g/cm3 | g/cm3 |
| Solubility in water [% weight] | Slightly soluble in water | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | A white to off white powder | — |
| pH range (8.2 - 10.0) | Colourless to red-violet | — |
| Absorption maxima (buffer pH 9.8) | 551 - 554 nm | nm |
| Sensitivity | Passes test | — |
| Sulphated ash | Max 0.05 % | % |
| Chloride (Cl) | Max 0.01 % | % |
| Sulphate (SO4) | Max 0.01 % | % |
| Loss on drying (110 °C) | Max 1 % | % |
Packaging
| Pack size | SKU |
|---|---|
| 25 g | RA002034-PK-25G |
| 50 g | RA002034-PK-50G |
| 100 g | RA002034-PK-100G |
| 500 g | RA002034-PK-500G |