SILVER SULFIDE
Ag₂S
| Property | Details |
|---|
| IUPAC Name | Silver(I) sulfide |
| Common Name | Silver sulfide |
| Chemical Formula | Ag₂S |
| Molar Mass | 247.80 g·mol⁻¹ |
| CAS Number | 21548-73-2 |
| Appearance | Black solid (occurs naturally as the mineral acanthite; tarnish on silverware) |
| Odor | Odorless |
| Melting Point | ~836 °C |
| Boiling Point | Decomposes on strong heating |
| Density | 7.23 g·cm⁻³ |
| Solubility in Water | Practically insoluble |
| Oxidation State of Ag | +1 |
Hazards (GHS)
| Type | Description |
|---|
| Irritant | May cause mechanical/skin/eye irritation as dust |
| Environmental | Toxic to aquatic organisms (silver ions released very slowly under some conditions) |
Safety Notes
Handle with protective gloves, goggles and lab coat.
Avoid inhalation of dust.
Store in tightly closed containers in a cool & dry place.
Prevent release into environment.