Identity
Classification
- Categories
- Inorganic Salts primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | Sulphorous | — |
| pH value | 4.5 | — |
| Melting point/ Freezing point [°C] | 300 °C | °C |
| Density [g/cm3] | 1.48 g/cm3 | g/cm3 |
| Solubility in water [% weight] | 650 g/L | g/L |
| Partition coefficient Log Pow octanol / water at 20°C | -3.7 | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | White crystalline powder | — | — |
| Heavy metal | Max 0.002 % | % | — |
| Arsenic (As) | Max 0.0004 % | % | — |
| Iron (Fe) | Max 0.002 % | % | — |
| Assay | 96.5 - 100 % | % | iodometric |
| Assay | 65 - 67.4 % | % | iodometric |
| Identity (acc. to pharmacopoeias) | Passes test | — | — |
| pH | 3.5 - 5.0 | — | — |
| Appearance of solution | Passes test | — | — |
| Insoluble matter in water | Max 0.025 % | % | — |
| Chloride (Cl) | Max 0.02 % | % | — |
| Thiosulphate (S2O3) | Max 0.05 % | % | — |
Available grades
6 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 25 kg | RA002403-PK-25KG |
| 500 g | RA002403-PK-500G |
| 50 kg | RA002403-PK-50KG |
| 1 kg | RA002403-PK-1KG |
| 5 kg | RA002403-PK-5KG |