Identity
Classification
- Categories
- Indicators primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | Yellow | — |
| Melting point/ Freezing point [°C] | 97 °C | °C |
| Density [g/cm3] | 1.48 g/cm3 | g/cm3 |
| Solubility in water [% weight] | Slight (0.1-1%) | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | Brownish yellow coloured powder | — | — |
| Purity | Min 99 % | % | GC |
| Melting point | 95 - 99 °C | °C | — |
| pH 6.6 - 8.6 | Colourless to yellow-orange | — | — |
| Absorption maxima (buffer pH 6.6) | 329 - 333 nm | nm | — |
| Absorption maxima (buffer pH 11.0) | 389 - 393 nm | nm | — |
| Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 6.6) | 130 - 150 | — | — |
| Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 11.0) | 100 - 120 | — | — |
Packaging
| Pack size | SKU |
|---|---|
| 5 g | RA001963-PK-5G |
| 25 g | RA001963-PK-25G |