Identity
Classification
- Categories
- Organic Chemicals primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | Red powder | — |
| Melting point/ Freezing point [°C] | 430 °C | °C |
| Boiling point [°C] | 287 - 289 °C | °C |
| Initial boiling point [°C] | 287 °C | °C |
| Final boiling point [°C] | 289 °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 | Yellow to orange to brown powder | — |
| Absorptivity (A1%/1cm ) | Min 325.0 | — |
| Loss on drying (110 °C) | Max 5.0 % | % |
| Dye content | Min 70.0 % | % |
| pH 4.3-6.3 | Yellow-Pink | — |
| pH 9.4-12.0 | Brown orange-Violet | — |
| Solubility | Clear solution | — |
| Absorption maxima (0.1 mol/L in NaOH) λmax1 | 553 - 559 nm | nm |
| Absorption maxima (0.1 mol/L in NaOH) λmax2 | 592 - 599 nm | nm |
| Absorptivity (A1%/1cm ) | Min 350.0 | — |
Packaging
| Pack size | SKU |
|---|---|
| 25 g | RA000467-PK-25G |
| 100 g | RA000467-PK-100G |