Difference between revisions of "Potassium sulfide"
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liver of sulfur; potassium monosulfide; dipotassium sulfide; potash sulfurated; hepar sulfuris; potassium sulphide (Br.) | 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: [https://www.emdmillipore.com/US/en/product/msds/MDA_CHEM-105134 SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in water, ethanol, glycerol. Insoluble in ether. Aqueous solutions are alkaline. Deliquescent in air; darkens with age. | Soluble in water, ethanol, glycerol. Insoluble in ether. Aqueous solutions are alkaline. Deliquescent in air; darkens with age. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 910-912 | + | | 910-912 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.74-1.75 | + | | 1.74-1.75 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:41, 25 August 2022
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 |