| Chemistry name: | potassium sulfhydrate; potassium bisulfide |
| M Formula: | KHS |
| Properties: | |
| White to yellow crystals; hydrogen sulfide odor. Forms the polysulfide when exposed to air. D 1.69, mp 455C. Hygroscopic; soluble in alcohol and water. | |
| Grade: | |
| Technical. | |
| Use: | |
| Separation of heavy metals. | |