Difference between revisions of "Potassium persulfate"
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[[[SliderGallery rightalign|potassium persulfate.jpg~Chemical structure]]] | [[[SliderGallery rightalign|potassium persulfate.jpg~Chemical structure]]] | ||
| − | == | + | == Risks == |
| + | |||
| + | * Strong oxidizing agent. | ||
| + | * Skin contact causes irritation. | ||
| + | * Toxic by ingestion. | ||
| + | * Reacts violently with organics and reducing salts. | ||
| + | * Releases sulfur dioxide gas with decomposition. | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC202015000&productDescription=POTASSIUM+PERSULFATE+P.+500GR&vendorId=VN00032119&countryCode=US&language=en SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in water. Insoluble in ethanol. | Soluble in water. Insoluble in ethanol. | ||
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.477 | + | | 2.477 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==Resources and Citations== |
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 163 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 163 | ||
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7825 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7825 | ||
| − | * | + | * Photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 10:31, 25 August 2022
Description
White, odorless crystals. Potassium persulfate is used to bleach and de-Size textiles. It is used in photographic solution as a hypo eliminator to remove Sodium thiosulfate from the plates and paper.
Synonyms and Related Terms
potassium persulphate (Br.); potassium peroxydisulfate; persulfate of potash; Anthion
Risks
- Strong oxidizing agent.
- Skin contact causes irritation.
- Toxic by ingestion.
- Reacts violently with organics and reducing salts.
- Releases sulfur dioxide gas with decomposition.
- ThermoFisher: SDS
Physical and Chemical Properties
Soluble in water. Insoluble in ethanol.
| Composition | K2S2O8 |
|---|---|
| CAS | 7727-21-1 |
| Density | 2.477 g/ml |
| Molecular Weight | mol. wt. = 270.32 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 163
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7825
- Photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm