{"id":34434,"date":"2025-09-23T09:13:31","date_gmt":"2025-09-23T07:13:31","guid":{"rendered":"https:\/\/georganics.sk\/?post_type=glossary&#038;p=34434"},"modified":"2025-09-26T13:51:45","modified_gmt":"2025-09-26T11:51:45","slug":"inhibitor","status":"publish","type":"glossary","link":"https:\/\/georganics.sk\/fr\/glossary\/inhibitor\/","title":{"rendered":"Inhibitor"},"content":{"rendered":"<p>In chemistry, an inhibitor is a substance that slows down or stops a chemical reaction. It works by acting as a \u2018negative catalyst,\u2019 meaning it reduces how quickly the reaction happens, and can even completely stop it.<br \/>\nThey play a crucial role in controlling reaction rates, preserving materials, and regulating biological processes. Inhibitors are especially important in <strong>catalysis<\/strong>, <strong>biochemistry<\/strong>, and <strong>industrial chemistry<\/strong>.<\/p>\n<p>&nbsp;<br \/>\n<strong><br \/>\nHow Inhibitors Work<\/strong><\/p>\n<p>Inhibitors interfere with the normal progress of a chemical reaction by:<\/p>\n<ul>\n<li><strong>Blocking active sites<\/strong> on catalysts or enzymes<\/li>\n<li><strong>Reacting with intermediates<\/strong> to prevent product formation<\/li>\n<li><strong>Altering reaction pathways<\/strong> to reduce efficiency<\/li>\n<\/ul>\n<p>They do <strong>not necessarily stop<\/strong> the reaction completely, but they <strong>reduce its rate<\/strong> or <strong>change its outcome<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Types of Inhibitors<\/strong><\/p>\n<p>1. <strong>Catalyst Inhibitors<\/strong><\/p>\n<ul>\n<li>Reduce the activity of a <strong>catalyst<\/strong> without being consumed.<\/li>\n<li>Example: Lead compounds inhibit catalytic converters in car exhaust systems.<\/li>\n<\/ul>\n<p>2. <strong>Enzyme Inhibitors<\/strong> (Biochemistry)<\/p>\n<ul>\n<li>Bind to enzymes and reduce their activity.<\/li>\n<li><strong>Reversible inhibitors<\/strong>: Can detach from the enzyme.<\/li>\n<li><strong>Irreversible inhibitors<\/strong>: Permanently deactivate the enzyme.<\/li>\n<li>Example: Penicillin inhibits bacterial enzymes involved in cell wall synthesis.<\/li>\n<\/ul>\n<p>3. <strong>Corrosion Inhibitors<\/strong><\/p>\n<ul>\n<li>Prevent or slow down <strong>metal corrosion<\/strong>.<\/li>\n<li>Often used in pipelines, boilers, and cooling systems.<\/li>\n<li>Example: Sodium nitrite in water systems to protect steel.<\/li>\n<\/ul>\n<p>4. <strong>Polymerization Inhibitors<\/strong><\/p>\n<ul>\n<li>Prevent unwanted <strong>polymer formation<\/strong> during storage or transport.<\/li>\n<li>Example: Hydroquinone added to monomers like styrene to prevent premature polymerization.<\/li>\n<\/ul>\n<p>5. <strong>Reaction Inhibitors<\/strong><\/p>\n<ul>\n<li>Added to control or stop specific chemical reactions.<\/li>\n<li>Example: Radical scavengers in organic reactions to prevent chain reactions.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In chemistry, an inhibitor is a substance that slows down or stops a chemical reaction. It works by acting as a \u2018negative catalyst,\u2019 meaning it reduces how quickly the reaction happens, and can even completely stop it. They play a crucial role in controlling reaction rates, preserving materials, and regulating biological processes. Inhibitors are especially [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"template":"","glossary-cat":[637],"class_list":["post-34434","glossary","type-glossary","status-publish","hentry","glossary-cat-reagents-chemicals"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Inhibitor - Georganics - Glossary<\/title>\n<meta name=\"description\" content=\"Learn about the role of an inhibitor in chemistry and how it slows down or stops chemical reactions effectively.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/georganics.sk\/fr\/glossary\/inhibitor\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inhibitor\" \/>\n<meta property=\"og:description\" content=\"Learn about the role of an inhibitor in chemistry and how it slows down or stops chemical reactions effectively.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/georganics.sk\/fr\/glossary\/inhibitor\/\" \/>\n<meta property=\"og:site_name\" content=\"Georganics\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-26T11:51:45+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/georganics.sk\\\/fr\\\/glossary\\\/inhibitor\\\/\",\"url\":\"https:\\\/\\\/georganics.sk\\\/fr\\\/glossary\\\/inhibitor\\\/\",\"name\":\"Inhibitor - 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