{"id":11300,"date":"2025-04-10T01:27:00","date_gmt":"2025-04-10T01:27:00","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?p=11300"},"modified":"2026-02-09T09:08:48","modified_gmt":"2026-02-09T09:08:48","slug":"proprieta-e-applicazioni-del-dicloroisocianurato-di-sodio-e-dellacido-tricloroisocianurico","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/it\/proprieta-e-applicazioni-del-dicloroisocianurato-di-sodio-e-dellacido-tricloroisocianurico\/","title":{"rendered":"Dicloroisocianurato di sodio e acido tricloroisocianurico: propriet\u00e0 e applicazioni"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1. Introduzione<\/h2>\n\n\n\n<p>Il dicloroisocianurato di sodio (NaDCC) e l&#039;acido tricloroisocianurico (TCCA) sono disinfettanti a base di cloro ampiamente utilizzati nel trattamento delle acque, nella sanificazione delle piscine, nella sterilizzazione industriale e in altre applicazioni igieniche. Entrambi i composti presentano un elevato contenuto di cloro disponibile e rilasciano acido ipocloroso (HOCl) nell&#039;acqua, eliminando efficacemente batteri e virus. Inoltre, contengono strutture a base di acido cianurico (CYA), che contribuiscono a stabilizzare il cloro in condizioni esterne riducendo la degradazione ultravioletta (UV). Questo articolo ne esplora la sintesi, i meccanismi di decomposizione, il calcolo del contenuto di cloro, le funzioni stabilizzanti e le loro applicazioni nella disinfezione delle piscine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Sintesi di TCCA e NaDCC<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Acido tricloroisocianurico (TCCA)<\/h3>\n\n\n\n<p>Il TCCA viene sintetizzato dall&#039;acido cianurico (C\u2083H\u2083N\u2083O\u2083) attraverso una reazione di clorurazione:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"961\" height=\"231\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/trichlore-formula.jpg\" alt=\"\" class=\"wp-image-11173\" srcset=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/trichlore-formula.jpg 961w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/trichlore-formula-600x144.jpg 600w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/trichlore-formula-300x72.jpg 300w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/trichlore-formula-768x185.jpg 768w\" sizes=\"(max-width: 961px) 100vw, 961px\" \/><\/figure>\n\n\n\n<p>Il TCCA contiene tre atomi di cloro che possono essere rilasciati in soluzioni acquose, il che gli conferisce un elevato contenuto di cloro disponibile, pari a circa 90%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Dicloroisocianurato di sodio (NaDCC)<\/h3>\n\n\n\n<p>Il NaDCC viene sintetizzato in modo simile, ma con un grado di clorurazione inferiore e l&#039;introduzione di ioni sodio:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1017\" height=\"201\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1.jpg\" alt=\"\" class=\"wp-image-11159\" srcset=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1.jpg 1017w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1-600x119.jpg 600w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1-300x59.jpg 300w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1-768x152.jpg 768w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-formula-1-1015x201.jpg 1015w\" sizes=\"(max-width: 1017px) 100vw, 1017px\" \/><\/figure>\n\n\n\n<p>Poich\u00e9 il NaDCC rilascia solo due atomi di cloro, il suo contenuto di cloro disponibile \u00e8 relativamente pi\u00f9 basso (circa 56-60%).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Decomposizione in acqua e meccanismo di rilascio del cloro<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Reazioni chimiche<\/h3>\n\n\n\n<p>Una volta disciolti in acqua, TCCA e NaDCC subiscono idrolisi, rilasciando acido ipocloroso (HOCl), il disinfettante principale:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"826\" height=\"372\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-and-trichloro-decomposition.jpg\" alt=\"\" class=\"wp-image-11178\" srcset=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-and-trichloro-decomposition.jpg 826w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-and-trichloro-decomposition-600x270.jpg 600w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-and-trichloro-decomposition-300x135.jpg 300w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/dichloro-and-trichloro-decomposition-768x346.jpg 768w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/figure>\n\n\n\n<p>Il TCCA rilascia tre molecole di HOCl, mentre il NaDCC ne rilascia solo due. <strong>Il TCCA ha capacit\u00e0 di disinfezione pi\u00f9 forti, mentre il NaDCC si dissolve pi\u00f9 velocemente<\/strong>, rendendolo adatto ad applicazioni di sanificazione rapida.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Reversibilit\u00e0 e controllo dell&#039;equilibrio<\/h3>\n\n\n\n<p>Questo processo di idrolisi \u00e8 reversibile. Quando i livelli di cloro diminuiscono (ad esempio, a causa del consumo di HOCl), la reazione si sposta verso destra, rilasciando pi\u00f9 cloro. Al contrario, quando \u00e8 presente un eccesso di HOCl, la reazione si inverte, rallentando il rilascio di cloro. In condizioni appropriate, sia TCCA che NaDCC forniscono un <strong>rilascio prolungato di cloro<\/strong>, mantenendo una disinfezione efficace nel tempo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Calcolo del contenuto di cloro disponibile<\/h2>\n\n\n\n<p>Il cloro disponibile si riferisce alla percentuale di cloro in un composto che pu\u00f2 essere rilasciato come disinfettante attivo. Si calcola come segue:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"573\" height=\"88\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-1.jpg\" alt=\"\" class=\"wp-image-11168\" srcset=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-1.jpg 573w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-1-300x46.jpg 300w\" sizes=\"(max-width: 573px) 100vw, 573px\" \/><\/figure>\n\n\n\n<p>Per TCCA:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peso molecolare: <strong>232,41 g\/mol<\/strong><\/li>\n\n\n\n<li>Contributo di massa di 3 atomi di cloro: <strong>106,35 g<\/strong><\/li>\n\n\n\n<li>Calcolo:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"301\" height=\"72\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-2.jpg\" alt=\"\" class=\"wp-image-11169\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poich\u00e9 una molecola di TCCA rilascia tre atomi di cloro attivo, <strong>il suo contenuto di cloro disponibile \u00e8 di circa 90%<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>NaDCC segue un calcolo simile, con un contenuto di cloro disponibile di <strong>56-60%<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Acido cianurico come stabilizzante<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Il ruolo dell&#039;acido cianurico nella stabilizzazione del cloro<\/h3>\n\n\n\n<p>Nella sanificazione delle piscine, il cloro si degrada rapidamente sotto l&#039;esposizione ai raggi UV. L&#039;acido cianurico (CYA) agisce come stabilizzante formando un <strong>Complesso HOCl-CYA<\/strong>, che riduce il tasso di degradazione del cloro:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"419\" height=\"62\" src=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-3.jpg\" alt=\"\" class=\"wp-image-11170\" srcset=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-3.jpg 419w, https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2025\/05\/formula-3-300x44.jpg 300w\" sizes=\"(max-width: 419px) 100vw, 419px\" \/><\/figure>\n\n\n\n<p>Questo complesso rallenta la perdita di cloro, garantendo un effetto disinfettante pi\u00f9 duraturo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Le compresse di cloro disponibili sul mercato contengono acido cianurico?<\/h3>\n\n\n\n<p>Da <strong>TCCA e NaDCC contengono naturalmente gruppi di acido cianurico<\/strong>Le compresse di cloro disponibili in commercio in genere non richiedono aggiunta di CYA. Tuttavia, per altri disinfettanti a base di cloro, come l&#039;ipoclorito di sodio (NaClO), l&#039;acido cianurico viene spesso aggiunto separatamente per migliorarne la stabilit\u00e0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(3) Controllo dei livelli di acido cianurico<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Concentrazione ottimale: 30-50 ppm<\/strong> (livelli pi\u00f9 elevati riducono l&#039;efficacia della disinfezione).<\/li>\n\n\n\n<li><strong>L&#039;eccesso di CYA pu\u00f2 ridurre l&#039;attivit\u00e0 del cloro<\/strong>, poich\u00e9 un legame eccessivo riduce il cloro libero disponibile.<\/li>\n\n\n\n<li><strong>Se il CYA supera i 100 ppm, \u00e8 necessaria la diluizione con acqua fresca<\/strong> per ripristinare l&#039;efficacia.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. Confronto e selezione di TCCA e NaDCC<\/h2>\n\n\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-75\" class=\"tablepress tablepress-id-75\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Caratteristica<\/th><th class=\"column-2\">Acido tricloroisocianurico (TCCA)<\/th><th class=\"column-3\">Dicloroisocianurato di sodio (NaDCC)<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Contenuto di cloro disponibile<\/td><td class=\"column-2\">90%<\/td><td class=\"column-3\">56-60%<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Tasso di dissoluzione<\/td><td class=\"column-2\">Lento<\/td><td class=\"column-3\">Veloce<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Effetto pH<\/td><td class=\"column-2\">Abbassa leggermente il pH<\/td><td class=\"column-3\">Aumenta leggermente il pH<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Migliori applicazioni<\/td><td class=\"column-2\">Disinfezione a lungo termine, dosaggio continuo<\/td><td class=\"column-3\">Sanificazione rapida, disinfezione d&#039;emergenza<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Contenuto stabilizzante<\/td><td class=\"column-2\">Contiene acido cianurico per la stabilit\u00e0<\/td><td class=\"column-3\">Contiene acido cianurico ma si degrada pi\u00f9 velocemente<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-75 from cache --><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Il TCCA \u00e8 ideale per:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Piscine, trattamento delle acque industriali e torri di raffreddamento<\/strong> dove \u00e8 richiesto il rilascio di cloro a lungo termine.<\/li>\n\n\n\n<li><strong>Applicazioni a rilascio lento<\/strong>, mantenendo i livelli di cloro nel tempo.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(2) Il NaDCC \u00e8 ideale per:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Disinfezione di emergenza (ad esempio trattamento dell&#039;acqua potabile, igienizzazione ospedaliera).<\/strong><\/li>\n\n\n\n<li><strong>Situazioni che richiedono una rapida dissoluzione e un&#039;azione immediata del cloro.<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. Conclusion<\/h2>\n\n\n\n<p>Il dicloroisocianurato di sodio (NaDCC) e l&#039;acido tricloroisocianurico (TCCA) sono due disinfettanti a base di cloro altamente efficaci che rilasciano acido ipocloroso (HOCl) nell&#039;acqua. Entrambi i composti contengono strutture di acido cianurico, che contribuiscono a stabilizzare il cloro e a prolungarne l&#039;azione disinfettante. Il TCCA ha un contenuto di cloro pi\u00f9 elevato ed \u00e8 adatto al trattamento dell&#039;acqua a lungo termine, mentre il NaDCC si dissolve rapidamente ed \u00e8 ideale per una disinfezione rapida. L&#039;uso corretto dell&#039;acido cianurico, mantenendone la concentrazione entro un intervallo ottimale, pu\u00f2 massimizzare l&#039;efficienza del cloro e garantire acqua sicura e pulita. La scelta del disinfettante a base di cloro pi\u00f9 adatto alle esigenze applicative pu\u00f2 portare a: <strong>gestione dei servizi igienico-sanitari pi\u00f9 efficiente ed economica<\/strong>.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Il dicloroisocianurato di sodio (NaDCC) e l&#039;acido tricloroisocianurico (TCCA) sono disinfettanti a base di cloro utilizzati nel trattamento delle acque. Il TCCA garantisce una disinfezione a lungo termine, mentre il NaDCC si dissolve rapidamente per una rapida igienizzazione. Entrambi contengono acido cianurico (CYA) come stabilizzante, prevenendo la perdita di cloro dovuta all&#039;esposizione ai raggi UV. Una corretta gestione del CYA garantisce una disinfezione efficace ed equilibrata.\n<\/p>","protected":false},"author":3,"featured_media":11163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[40],"tags":[37],"class_list":["post-11300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-treatment","tag-important"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sodium Dichloroisocyanurate and Trichloroisocyanuric Acid: Properties and Applications - rawchemicalmart.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rawchemicalmart.com\/it\/proprieta-e-applicazioni-del-dicloroisocianurato-di-sodio-e-dellacido-tricloroisocianurico\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sodium Dichloroisocyanurate and Trichloroisocyanuric Acid: Properties and Applications - rawchemicalmart.com\" \/>\n<meta property=\"og:description\" content=\"Sodium dichloroisocyanurate (NaDCC) and trichloroisocyanuric acid (TCCA) are chlorine-based disinfectants used in water treatment. 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