Identity
Classification
- Categories
- Organic Chemicals primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | Orange powder | — |
| pH value | 5 - 7.2 | — |
| Melting point/ Freezing point [°C] | 279 - 283 °C | °C |
| Boiling point [°C] | 430 °C | °C |
| Solubility in water [% weight] | Sparingly soluble in water | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | Orange colored powder | — |
| pH 5.5- 6.8 | Yellow to reddish-violet | — |
| Absorption maxima (λmax1) c= 0.01 g/L ; 0.1 NaOH | 564 - 568 nm | nm |
| Absorption maxima (λmax2) c= 0.01 g/L ; 0.1 NaOH | 605 - 609 nm | nm |
| Absorptivity (A 1%/1cm; at λmax2) | Min 525 | — |
| Sulphated ash | Max 1 % | % |
| Loss on drying | Max 5 % | % |
| Absorptivity (A 1%/1cm; at λmax1) | Min 625 | — |
Packaging
| Pack size | SKU |
|---|---|
| 25 g | RA000463-PK-25G |
| 100 g | RA000463-PK-100G |