{"id":6662,"date":"2022-08-03T11:58:12","date_gmt":"2022-08-03T09:58:12","guid":{"rendered":"https:\/\/www.epasoluzioni.it\/?p=6662"},"modified":"2022-08-03T12:00:58","modified_gmt":"2022-08-03T10:00:58","slug":"substances-under-the-adr-regulation-un-number-and-classes","status":"publish","type":"post","link":"https:\/\/epasoluzioni.it\/en\/2022\/08\/03\/substances-under-the-adr-regulation-un-number-and-classes\/","title":{"rendered":"Substances under the ADR regulation: UN number and classes"},"content":{"rendered":"\n<p>The key entry point for the application of ADR is the classification of substances.<\/p>\n\n\n\n<p>These are, &#8220;coded&#8221; with a UN number (followed by four digits) that uniquely characterizes them as substances, groups of substances or collective headings.<\/p>\n\n\n\n<p>All subjects in ADR (with their UN numbers) are also divided into classes:<\/p>\n\n\n\n<p>Class 1: Explosive substances and articles (ADR 2.2.1)<br>Class 2: Gases (ADR 2.2.2)<br>Class 3: Flammable liquids (ADR 2.2.3)<br>Class 4.1: Flammable solids, self-reactive substances, polymerizing substances and solid desensitized explosives (ADR 2.2.41)<br>Class 4.2: Substances liable to spontaneous combustion (ADR 2.2.42)<br>Class 4.3: Substances which, in contact with water, emit flammable gases (ADR 2.2.43)<br>Class 5.1: Oxidizing substances (ADR 2.2.51)<br>Class 5.2: Organic peroxides (ADR 2.2.52)<br>Class 6.1: Toxic substances (ADR 2.2.61)<br>Class 6.2: Infectious substances (ADR 2.2.62)<br>Class 7: Radioactive material (ADR 2.2.7)<br>Class 8: Corrosive substances (ADR 2.2.8)<br>Class 9: Miscellaneous dangerous substances and articles (ADR 2.2.9)<\/p>\n\n\n\n<p>The first step in understanding what ADR requirements apply to a particular matter is to identify its corresponding UN number and class.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The key entry point for the application of ADR is the classification of substances. These are, &#8220;coded&#8221; with a UN number (followed by four digits) that uniquely characterizes them as substances, groups of substances or collective headings. All subjects in ADR (with their UN numbers) are also divided into classes: Class 1: Explosive substances and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26,24],"tags":[],"class_list":["post-6662","post","type-post","status-publish","format-standard","hentry","category-adr-en","category-prevention"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Substances under the ADR regulation: UN number and classes - EPA Soluzioni<\/title>\n<meta name=\"description\" content=\"EPA Soluzioni: Efficienza energetica, prevenzione per la riduzione dei rischi nei luoghi di lavoro e tutela dell\u2019ambiente.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/epasoluzioni.it\/en\/2022\/08\/03\/substances-under-the-adr-regulation-un-number-and-classes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Substances under the ADR regulation: UN number and classes - 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