Difference between revisions of "Potassium persulfate"
Jump to navigation
Jump to search
(username removed) |
(username removed) |
||
| Line 1: | Line 1: | ||
== Description == | == Description == | ||
| − | White, odorless crystals. Potassium persulfate is used to [http://cameo.mfa.org/materials/fullrecord.asp?name=bleaching | + | White, odorless crystals. Potassium persulfate is used to [http://cameo.mfa.org/materials/fullrecord.asp?name=bleaching%20agent 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%20thiosulfate sodium thiosulfate] from the plates and paper. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 36: | Line 36: | ||
== Authority == | == Authority == | ||
| − | * | + | * 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 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7825 | ||
| − | * | + | * Website address 1 Comment: photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:25, 24 July 2013
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
Other Properties
Soluble in water. Insoluble in ethanol.
| Composition | K2S2O8 |
|---|---|
| CAS | 7727-21-1 |
| Density | 2.477 |
| Molecular Weight | mol. wt. = 270.32 |
Hazards and Safety
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: MSDS
Authority
- 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
- Website address 1 Comment: photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm