Identity
Classification
- Categories
- Organic Chemicals primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White flakes | — |
| Odour | Odorless | — |
| pH value | 9.5 - 10.5 | — |
| Melting point/ Freezing point [°C] | 120 °C | °C |
| Flash point [°C] | Min 100 °C | °C |
| Solubility in water [% weight] | 50 g/L | g/L |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | White big flakes | — | — |
| Assay as SO2 | 45 - 55 % | % | Iodometric |
| Clarity and color of solution | Clear and colorless | — | — |
| Alkalinity | Passes test | — | — |
| pH (2% solution) | 9.5 - 10.5 | — | — |
| Sodium sulphite (Na2SO3) | Max 5 % | % | — |
| Iron (Fe) | Max 0.001 % | % | — |
| Sulphide (S) | Passes test | — | — |
| Loss on drying (105 °C) | Max 27 % | % | — |
Packaging
| Pack size | SKU |
|---|---|
| 25 kg | RA002377-PK-25KG |
| 500 g | RA002377-PK-500G |
| 50 kg | RA002377-PK-50KG |
| 2.5 kg | RA002377-PK-2.5KG |