Potassium sulfide
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Description
Orange or red crystalline mass. Potassium sulfide has been used for staining and coloring bronze and other metals. It is also used as a photographic toner.
Synonyms and Related Terms
liver of sulfur; potassium monosulfide; dipotassium sulfide; potash sulfurated; hepar sulfuris; potassium sulphide (Br.)
Risks
- Flammable, dangerous fire risk, may ignite spontaneously.
- Contact causes irritation and may cause corrosion.
- Toxic by ingestion.
- MilliporeSigma: SDS
Physical and Chemical Properties
Soluble in water, ethanol, glycerol. Insoluble in ether. Aqueous solutions are alkaline. Deliquescent in air; darkens with age.
| Composition | K2S |
|---|---|
| CAS | 1312-73-8 |
| Melting Point | 910-912 C |
| Density | 1.74-1.75 g/ml |
| Molecular Weight | mol. wt. = 110.3 |