{"id":20351,"date":"2025-11-05T06:00:23","date_gmt":"2025-11-05T12:00:23","guid":{"rendered":"https:\/\/ulprospector.ul.com\/?p=20351"},"modified":"2025-12-03T12:48:53","modified_gmt":"2025-12-03T18:48:53","slug":"hii-formulating-the-future-how-chemists-are-eliminating-14-dioxane-from-cleaners","status":"publish","type":"post","link":"https:\/\/ulprospector.ul.com\/20351\/hii-formulating-the-future-how-chemists-are-eliminating-14-dioxane-from-cleaners\/","title":{"rendered":"Formulating the Future: How Chemists Are Eliminating 1,4-Dioxane from Cleaners"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-16942 alignright\" src=\"http:\/\/ulprospector.ul.com\/wp-content\/uploads\/2024\/03\/WomanReadingLaundryLabel_300.jpg\" alt=\"\" width=\"300\" height=\"200\" \/><\/p>\n<p>For formulators and manufacturers in the <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">cleaning industry<\/a>, the drive to remove 1,4-dioxane from finished products has evolved from a regional regulatory issue to a global formulation priority. Once considered an unavoidable trace contaminant, 1,4-dioxane is now squarely in the spotlight due to heightened scrutiny from regulators and consumers alike.<\/p>\n<p><strong>Understanding the Source<\/strong><\/p>\n<p>1,4-Dioxane is not intentionally added to formulations; it forms as a byproduct during the ethoxylation of surfactants and solvents \u2014 a common process used to improve solubility and mildness. Ethoxylated alcohols, fatty acid ethoxylates, and ethanolamines are among the most common sources in both <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">household and industrial cleaners<\/a>.<\/p>\n<p>The compound\u2019s persistence and classification as a probable human carcinogen have prompted strict limits in several markets. In the U.S., New York State\u2019s Household Cleansing Product regulations set limits as low as\u00a01 ppm for personal care products and 2 ppm for household cleaners, driving reformulation efforts industry-wide.<\/p>\n<p><strong>Formulation Pathways Toward 1,4-Dioxane-Free Systems<\/strong><\/p>\n<p>Eliminating 1,4-dioxane requires a holistic approach that combines\u00a0raw material selection,\u00a0process control, and\u00a0analytical validation. Formulators are adopting multiple complementary strategies:<\/p>\n<ul>\n<li><strong>Selecting Non-Ethoxylated Surfactants:<\/strong><br \/>\nNon-ethoxylated alternatives such as <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners\/search?k=%22alkyl+polyglucoside%22&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">alkyl polyglucosides<\/a> (APGs), methyl ester sulfonates (MES), sulfonated <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners\/search?k=alpha+olefin%22&amp;st=31&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">alpha olefins<\/a>, and <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners\/Products\/21423\/Betaines\/Product\/search?k=%22betaine%22&amp;st=31&amp;so=k_0+bt&amp;sl=512766254&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">betaines<\/a> provide strong performance while eliminating the ethoxylation step that generates 1,4-dioxane.<\/li>\n<li><strong>Optimizing Surfactant Blends:<\/strong><br \/>\nCombining biodegradable surfactants \u2014 such as APGs with anionic MES or sulfosuccinates \u2014 can deliver synergistic cleaning power and stability across pH and temperature ranges relevant to both I&amp;I and household applications.<\/li>\n<li><strong>Reformulating Solvent Systems:<\/strong><br \/>\nReplacing ethoxylated solvents (e.g., PEG ethers) with bio-based alternatives like alkyl lactates, <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners\/Products\/21423\/Betaines\/Product\/search?k=%22betaine%22&amp;st=31&amp;so=k_0+bt&amp;sl=512766254&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">glycol ethers<\/a> derived from renewable feedstocks, or <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners\/search?k=%22dibasic+ester%22&amp;st=311&amp;utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">dibasic esters<\/a> helps avoid contamination while improving sustainability profiles.<\/li>\n<li><strong>Process Control and Supplier Verification:<\/strong><br \/>\nWorking closely with suppliers to ensure\u00a0stripped or vacuum-treated surfactants\u00a0(low-1,4-dioxane grades) and\u00a0tight control of ethoxylation reaction parameters\u00a0is critical. Quality assurance now often includes\u00a0routine GC\/MS or headspace analysis\u00a0to verify trace levels below regulatory thresholds.<\/li>\n<li><strong>Using Enzyme and Microemulsion Technologies:<\/strong><br \/>\nEnzyme-boosted cleaners and microemulsion systems can help offset the loss of certain ethoxylated ingredients by improving soil removal efficiency and surface wetting without requiring traditional ethoxylation chemistry.<\/li>\n<\/ul>\n<p><strong>Balancing Compliance, Performance, and Cost<\/strong><\/p>\n<p>While eliminating 1,4-dioxane may initially raise raw material costs or necessitate requalification testing, the long-term benefits \u2014 regulatory compliance, cleaner labels, and improved consumer confidence \u2014 far outweigh the challenges. The shift also aligns with broader sustainability goals: reducing VOCs, increasing biodegradability, and sourcing renewable materials.<\/p>\n<p>Formulators are increasingly using\u00a0life cycle assessment (LCA)\u00a0and\u00a0green chemistry frameworks\u00a0to evaluate alternatives, ensuring replacements meet both safety and performance benchmarks. Collaborative innovation between ingredient suppliers and brands is accelerating the introduction of\u00a0next-generation surfactants\u00a0engineered to deliver cleaning efficacy without ethoxylation.<\/p>\n<p><strong>The Road Ahead<\/strong><\/p>\n<p>As more jurisdictions introduce limits and labeling requirements, the ability to design inherently 1,4-dioxane-free systems will become a key differentiator in the <a href=\"https:\/\/www.ulprospector.com\/en\/na\/Cleaners?utm_source=KnowledgeCenter&amp;utm_medium=article&amp;utm_campaign=1%2C4-dioaxane-free_cleaning_formulation&amp;utm_term=2025HII&amp;utm_content=SEO\" target=\"_blank\" rel=\"noopener\">cleaning products market<\/a>. Whether for high-performance industrial degreasers or eco-labeled household detergents, the industry\u2019s focus is clear: build cleaner chemistries from the molecule up.<\/p>\n<p><strong>References &amp; Resources<\/strong><\/p>\n<ol>\n<li>U.S. Environmental Protection Agency (EPA).\u00a0<em>Risk Evaluation for 1,4-Dioxane (2023).<\/em><\/li>\n<li>New York State Department of Environmental Conservation.\u00a0<em>Household Cleansing Product Information Disclosure Program (2023).<\/em><\/li>\n<li>American Cleaning Institute.\u00a0<em>Guidance on 1,4-Dioxane and Ethoxylated Surfactants.<\/em><\/li>\n<li>UL Solutions Prospector.\u00a0<em>Ingredient Search for Low 1,4-Dioxane Surfactants and Solvents.<\/em><\/li>\n<li>European Chemicals Agency (ECHA).\u00a0<em>Substance Evaluation Report: 1,4-Dioxane.<\/em><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>For formulators and manufacturers in the cleaning industry, the drive to remove 1,4-dioxane from finished products has evolved from a regional regulatory issue to a global formulation priority. Once considered an unavoidable trace contaminant, 1,4-dioxane is now squarely in the &hellip; <a href=\"https:\/\/ulprospector.ul.com\/20351\/hii-formulating-the-future-how-chemists-are-eliminating-14-dioxane-from-cleaners\/\">Continued<\/a><\/p>\n","protected":false},"author":103,"featured_media":20487,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[607,263],"tags":[206,490],"ppma_author":[1245],"class_list":{"0":"post-20351","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-articles","8":"category-household-industrial-cleaners","9":"tag-sustainability","10":"tag-hii","11":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Formulating the Future: How Chemists Are Eliminating 1,4-Dioxane from Cleaners<\/title>\n<meta name=\"description\" content=\"Discover how formulators are creating high-performance household and industrial cleaners without 1,4-dioxane. Learn about surfactant innovations, alternative solvents, and process controls driving the next generation of safe, sustainable cleaning formulations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ulprospector.ul.com\/20351\/hii-formulating-the-future-how-chemists-are-eliminating-14-dioxane-from-cleaners\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Formulating the Future: How Chemists Are Eliminating 1,4-Dioxane from Cleaners\" \/>\n<meta property=\"og:description\" content=\"Discover how formulators are creating high-performance household and industrial cleaners without 1,4-dioxane. 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