Potassium manganate - Wikipedia, the free encyclopedia
Potassium manganate is the chemical compound with the formula K 2 MnO 4 . This green salt is an intermediate in the industrial synthesis of potassium permanganate, KMnO 4 , a common chemical. O...
en.wikipedia.org/wiki/Potassium_manganate
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The purple color of the KMnO4 will change to a muddy brown.
http://wiki.answers.com/Q/What_changes_in_color_occur_w...
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anyone Member since: May 06, 2007; Total points: 439 (Level 2) ... what is the colour changes of the solution? what are the chemical reactions? ... The color will start off purple then go to a green color finally to a brown.
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5.1.2 Ability To Form a Residual It is not desirable to maintain a residual of KMnO4 because of its tendency to give water a pink color. 5.2 Generation Potassium permanganate is only supplied in dry form. A concentrated KMnO4 solution (typically 1 to 4 percent) is generated on-site for water treatment applications;
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www.epa.gov/OGWDW/mdbp/pdf/alter/chapt_5.pdf
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Potassium permanganate (KMnO4) is a strong oxidizing agent that was originally discovered in 1659. Carus Corporation has been producing permanganate since 1915. ... Potassium permanganate is recognized by its characteristic purple to pink color when made into a solution. In high concentrations it is a dark purple color.
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www.caruscorporation.com/content.cfm/permanganates
www.caruscorporation.com/content.cfm/permanganates
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Potassium permanganate, the salt KMnO4, crystallizing in dark red prisms having a greenish surface color, and dissolving in water with a beautiful purple red color; -- used as an oxidizer and disinfectant. The name chameleon mineral is applied to this salt and also to potassium manganate.
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dictionary.die.net/potassium%20permanganate
dictionary.die.net/potassium%20permanganate
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Synonyms: Permanganic acid, potassium salt; Condy's crystals ; CAS No.: 7722-64-7 ; Molecular Weight: 158.03 ; Chemical Formula: KMnO4 ; Product Codes:; J.T. ... Proper Shipping Name: POTASSIUM PERMANGANATE ; Hazard Class: 5.1 ; UN/NA: UN1490 ; Packing Group: II ; Information reported for product/size: 12KG ;
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www.jtbaker.com/msds/englishhtml/p6005.htm
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CHEMICAL FACT SHEET FOR: POTASSIUM PERMANGANATE FACT SHEET NUMBER: 80 DATE ISSUED: SEPTEMBER 30, of water (i.e., 4.4-4.5 ppm). For poultry drinking water, use 0.648 to 1.296 grains of product per quart of water (i.e., 272-543 ppm a.i.). 3. SCIENCE FINDINGS Chemical Characteristics - Physical state: crystalline - Color:
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pmep.cce.cornell.edu/profiles/miscpesticides/methylchlo...
pmep.cce.cornell.edu/profiles/miscpesticides/methylchloride-xanthangum/potassium-permanganate/anti-prof-potas-permang.html
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Color Change Associated with Potassium Permanganate Use ... When potassium permanganate is active (in its unoxidized form), treated water turns a pinkish-purple color. As the chemical is "deactivated" (by oxidizing organic material), the water color changes to yellow or muddy brown.
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