Identity
Classification
- Categories
- Metals & Elements primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Density [g/cm3] | 4.98 g/cm3 | g/cm3 |
| Partition coefficient Log Pow octanol / water at 20°C | 2.49 | — |
| Colour | Bluish-black crystals | — |
| Odour | Pungent odor | — |
| pH value | 5.4 | — |
| Melting point/ Freezing point [°C] | 113 °C | °C |
| Boiling point [°C] | 184 °C | °C |
| Vapour pressure [20°C] | 0.3 mmHg | mmHg |
| Vapour pressure mm/Hg | 0.3 mmHg | mmHg |
| Vapour density | 8.8 | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | Heavy, grayish-black plates or granules, having a metallic luster and a characteristic odor | — | — |
| Assay | 99.8 - 100.5 % | % | iodometric |
| Identifications | To comply IP, BP, USP | — | — |
| Solubility | Very slightly soluble in water; freely soluble in carbon disulfide, in chloroform, in carbon tetrachloride, and in ether; soluble in alcohol and in solutions of iodides; sparingly soluble in glycerin. | — | — |
| Non-volatile matter (105 °C) | Max 0.005 % | % | — |
| Chlorine and bromine | Max 0.005 % | % | — |
| Sulphate (SO4) | Max 0.002 % | % | — |
Available grades
2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 100 g | RA001621-PK-100G |
| 500 g | RA001621-PK-500G |