{"id":495,"date":"2016-01-28T16:25:36","date_gmt":"2016-01-28T16:25:36","guid":{"rendered":"http:\/\/localhost\/alquera\/productos\/producto\/permanganato-de-potasio-1kg\/"},"modified":"2026-04-02T09:27:03","modified_gmt":"2026-04-02T09:27:03","slug":"permanganato-de-potasio","status":"publish","type":"product","link":"https:\/\/www.alquera.com\/pt\/permanganato-de-potasio\/","title":{"rendered":"Permanganato de Pot\u00e1ssio"},"content":{"rendered":"<p>O permanganato de pot\u00e1ssio, ou permanganato de pot\u00e1ssio \u00e9 um oxidante forte, portanto utilizado para muitos tratamentos de s\u00edntese na ind\u00fastria qu\u00edmica. Tem uma cor violeta. Para al\u00e9m das suas propriedades oxidantes, o permanganato de pot\u00e1ssio \u00e9 tamb\u00e9m utilizado pelas suas propriedades desinfectantes e em desodorizantes. Gera fortes reac\u00e7\u00f5es exot\u00e9rmicas quando misturado com muitos materiais org\u00e2nicos.<\/p>\n<h2>IDENTIFICA\u00c7\u00c3O E PROPRIEDADES<\/h2>\n<p><strong>Nome:<\/strong> Permanganato de Pot\u00e1ssio<br \/>\n<strong>Sin\u00f3nimos:<\/strong> Permanganato de Pot\u00e1ssio, Manganato de Pot\u00e1ssio (VII)<br \/>\n<strong>CAS:<\/strong> 7722-64-7<br \/>\n<strong>CE:<\/strong> 231-760-3<\/p>\n<ul>\n<li>Aspecto: s\u00f3lido, pulverulento, p\u00farpura escura com brilho met\u00e1lico<\/li>\n<li>Odor: inodoro<\/li>\n<li>pH (10 g\/l; 20\u00baC): 7-9<\/li>\n<li>Ponto de fus\u00e3o: 240\u00baC<\/li>\n<li>Inflamabilidade (s\u00f3lido\/g\u00e1s): N\u00e3o inflam\u00e1vel<\/li>\n<li>Densidade relativa (20\u00baC): 2,7 (\u00c1gua=1)<\/li>\n<li>Solubilidade em \u00e1gua (20\u00baC): 64 g\/l<\/li>\n<li>Temperatura de decomposi\u00e7\u00e3o: 240\u00baC<\/li>\n<li>Propriedades explosivas: N\u00e3o explosivas. Pode explodir em contacto com \u00e1cido sulf\u00farico, per\u00f3xidos e p\u00f3s met\u00e1licos.<\/li>\n<li>Propriedades oxidantes: Forte oxida\u00e7\u00e3o<\/li>\n<\/ul>\n<h2>UTILIZA PERMANGANATO DE POT\u00c1SSIO<\/h2>\n<p>Algumas das utiliza\u00e7\u00f5es do permanganato de pot\u00e1ssio incluem:<\/p>\n<ul>\n<li>Agente oxidante em muitas reac\u00e7\u00f5es qu\u00edmicas no laborat\u00f3rio e na ind\u00fastria.<\/li>\n<li>Na qu\u00edmica anal\u00edtica, uma solu\u00e7\u00e3o aquosa de permanganato de pot\u00e1ssio \u00e9 normalmente utilizada como um titulante oxidante em titula\u00e7\u00f5es redox devido \u00e0 sua cor violeta intensa. Quando a solu\u00e7\u00e3o aquosa de permanganato de pot\u00e1ssio est\u00e1 num meio \u00e1cido, o permanganato violeta \u00e9 reduzido ao incolor Mn+2 cati\u00e3o. Em solu\u00e7\u00f5es neutras, o permanganato \u00e9 reduzido a MnO2, cati\u00e3o +4, resultando num precipitado castanho. Finalmente, em solu\u00e7\u00f5es alcalinas ou b\u00e1sicas, \u00e9 reduzido ao seu estado +7, dando KMnO4, com a cor violeta com a qual o permanganato de pot\u00e1ssio \u00e9 conhecido.<\/li>\n<li>Tem tamb\u00e9m propriedades desinfectantes e desodorizantes. \u00c9 utilizado para tratar algumas doen\u00e7as parasit\u00e1rias dos peixes, ou no tratamento de algumas condi\u00e7\u00f5es de pele, tais como fungos ou dermatose. Tamb\u00e9m pode ser usado como rem\u00e9dio para alguns envenenamentos com venenos oxid\u00e1veis, tais como f\u00f3sforo elementar ou mordidas de cobra.<\/li>\n<li>Uma aplica\u00e7\u00e3o comum \u00e9 no tratamento de \u00e1gua pot\u00e1vel. Em \u00c1frica, muitas pessoas utilizam-no para embeber legumes a fim de neutralizar quaisquer bact\u00e9rias que possam estar presentes.<\/li>\n<li>Solu\u00e7\u00f5es muito dilu\u00eddas de permanganato de pot\u00e1ssio podem ser usadas como colut\u00f3rio bucal (dilui\u00e7\u00e3o de pelo menos 0,15 %), e como desinfectante das m\u00e3os (cerca de 1,8 %).<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Comprar Permanganato de Pot\u00e1ssio nos formatos 200g e 1Kg. O pre\u00e7o dos diferentes formatos de Permanganato de Pot\u00e1ssio pode ser visto seleccionando o formato desejado. A encomenda \u00e9 feita directamente atrav\u00e9s da Web seguindo os passos indicados, sendo entregue em 24\/48 horas.<\/p>","protected":false},"featured_media":52389,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[206,21],"product_tag":[],"class_list":{"0":"post-495","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-productos-experimentos","7":"product_cat-productos","8":"pa_cantidad-20g","9":"pa_cantidad-200g","10":"pa_cantidad-1kg","11":"desktop-align-left","12":"tablet-align-left","13":"mobile-align-left","14":"ast-product-gallery-layout-horizontal-slider","15":"ast-magnify-disabled","16":"ast-product-single-variable","17":"ast-product-tabs-layout-horizontal","18":"ast-qv-on-image","20":"first","21":"instock","22":"taxable","23":"shipping-taxable","24":"purchasable","25":"product-type-variable","26":"has-default-attributes"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Permanganato de Potasio: Comprar - Alquera.com<\/title>\n<meta name=\"description\" content=\"Comprar Permanganato de Potasio en polvo. 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