Difference between revisions of "Potassium persulfate"

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== Description ==
 
== Description ==
  
White, odorless crystals.  Potassium persulfate is used to [http://cameo.mfa.org/materials/fullrecord.asp?name=bleaching agent bleach] and de-[http://cameo.mfa.org/materials/fullrecord.asp?name=size size] textiles.  It is used in photographic solution as a hypo eliminator to remove [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium thiosulfate sodium thiosulfate] from the plates and paper.
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White, odorless crystals.  Potassium persulfate is used to [[bleaching%20agent|bleach]] and de-[[size|size]] textiles.  It is used in photographic solution as a hypo eliminator to remove [[sodium%20thiosulfate|sodium thiosulfate]] from the plates and paper.
 
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[[[SliderGallery rightalign|potassium persulfate.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
potassium persulphate (Br.); potassium peroxydisulfate; persulfate of potash; Anthion
 
potassium persulphate (Br.); potassium peroxydisulfate; persulfate of potash; Anthion
  
[[[SliderGallery rightalign|potassium persulfate.jpg~Chemical structure]]]
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== Risks ==
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* Strong oxidizing agent. 
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* Skin contact causes irritation.
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* Toxic by ingestion.
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* Reacts violently with organics and reducing salts.
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* Releases sulfur dioxide gas with decomposition. 
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* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC202015000&productDescription=POTASSIUM+PERSULFATE+P.+500GR&vendorId=VN00032119&countryCode=US&language=en SDS]
  
== Other Properties ==
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==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
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| 2.477 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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|}
 
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== Hazards and Safety ==
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==Resources and Citations==
 
 
Strong oxidizing agent.  Skin contact causes irritation. Toxic by ingestion. Reacts violently with organics and reducing salts. Releases sulfur dioxide gas with decomposition. 
 
 
 
Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/p6027.htm MSDS]
 
 
 
== Authority ==
 
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 163
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 163
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
  
* Michael McCann, Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979
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* 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
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 7825
  
* Website address 1, Website address 1  Comment: photographic chemicals:  www.jetcity.com/~mrjones/chemdesc.htm
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* Photographic chemicals:  www.jetcity.com/~mrjones/chemdesc.htm
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest 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.

Chemical structure

Potassium persulfate.jpg

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