{"id":15776,"date":"2025-05-28T17:24:21","date_gmt":"2025-05-28T09:24:21","guid":{"rendered":"https:\/\/qatransport.com\/?p=15776"},"modified":"2025-06-13T15:40:42","modified_gmt":"2025-06-13T07:40:42","slug":"chemical-ech","status":"publish","type":"post","link":"https:\/\/qatransport.com\/en\/knowledge\/chemical-ech\/","title":{"rendered":"What is Epichlorohydrin ( ECH )? Hazard Classification, Uses, Risks, and Storage Guidelines"},"content":{"rendered":"<p><strong>What is Epichlorohydrin ( ECH )? Hazard Classification, Uses, Risks, and Storage Guidelines<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Meta Description<\/strong><br \/>\nAs one of the most common chemicals in transportation, epichlorohydrin requires careful understanding to ensure safe handling. This article explains its main uses, potential hazards, and key storage precautions to enhance transport safety.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Introduction<\/strong><\/p>\n<p>Epichlorohydrin (ECH) is widely used in the production of resins, glycerin, organic synthesis materials, and solvents. It\u2019s an essential industrial chemical but is also highly flammable. Improper storage or transport may lead to serious harm or financial loss. This article will walk you through ECH&#8217;s key applications, hazards, and safe storage practices.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>1.\u00a0 \u00a0What Is Epichlorohydrin? Hazard Classification &amp; Key Applications<\/strong><\/p>\n<p><strong>Epichlorohydrin<\/strong><strong> (ECH)<\/strong><\/p>\n<ul>\n<li>Chemical formula : CH\u2082CHOCH\u2082Cl<\/li>\n<li>HS Code : 2910 3000 009<\/li>\n<li>UN Number : 2023<\/li>\n<li>UN Class : 3 (<a href=\"https:\/\/qatransport.com\/en\/dangerous-goods\/\">Flammable liquids<\/a>) &amp; 6.1 (<a href=\"https:\/\/qatransport.com\/en\/dangerous-goods\/\">Toxic substances<\/a>)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11123\" src=\"https:\/\/qatransport.com\/wp-content\/uploads\/2023.png\" alt=\"\u5371\u96aa\u54c1\u5716\u6a19_\u7b2c\u4e09\u985e_UN-No.-2023-AN-1-1.png\" width=\"500\" height=\"507\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-11130\" src=\"https:\/\/qatransport.com\/wp-content\/uploads\/2023-2.png\" alt=\"\u5371\u96aa\u54c1\u5716\u6a19_\u7b2c\u4e09\u985e_UN-No.-2023-ECH-1-2.png\" width=\"501\" height=\"502\" \/><\/p>\n<p><strong>Physical Properties :<\/strong><\/p>\n<ul>\n<li>Boiling point : 115\u00b0C<\/li>\n<li>Melting point : -48\u00b0C<\/li>\n<li>Density : 1.18 g\/cm\u00b3 (at 20\u00b0C)<\/li>\n<li>Solubility : Reacts exothermically with water<\/li>\n<li>Volatility : Low vapor pressure, not easily volatile<\/li>\n<\/ul>\n<p><strong>Chemical Properties :<\/strong><br \/>\nECH can undergo exothermic reactions when heated or when in contact with oxidizing agents, peroxides, or water\u2014posing a risk of explosion.<br \/>\nIt reacts with strong acids, strong bases, metals like zinc, aluminum, and iron, chlorinated compounds, amines, anilines, alkoxides, and halogens.<br \/>\nExplosive reactions may occur when exposed to isopropylamine, trichloroethylene, or potassium methallylate.<\/p>\n<p><strong>Categories :<\/strong><\/p>\n<p>ECH belongs to epoxides, organochlorines, and cyclic ethers.<\/p>\n<p><strong>Synthesis Routes :<\/strong><\/p>\n<ol>\n<li>Allyl chloride + Hypochlorous acid \u2192 Dichloropropanol isomers + NaOH \u2192 ECH + NaCl + H\u2082O<\/li>\n<li>Propylene + Chlorine \u2192 ECH<\/li>\n<\/ol>\n<p><strong>Main Applications :<\/strong><\/p>\n<p>(1) Polymer Monomer<br \/>\nECH reacts with bisphenol A to produce Bisphenol A diglycidyl ether, a precursor to epoxy resins. These resins are used in coatings, adhesives, composite materials, industrial molds, crosslinking agents, pigments, sponges, and ion-exchange resins.<\/p>\n<p>&nbsp;<\/p>\n<p>(2) Organic Solvent<br \/>\nECH is miscible with many polar organic solvents and can dissolve fats and some fibers, making it useful as a solvent, adhesive, textile softener, or surfactant.<\/p>\n<p>&nbsp;<\/p>\n<p>(3) Derivatives<br \/>\nECH decomposes in water with an exothermic reaction to produce glycerol\u2014a key intermediate in industrial synthesis. Glycerol can be used to make explosives like nitroglycerin or react with fatty acids to form triglycerides, which are then saponified into soap using bases like sodium hydroxide.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>2.\u00a0 \u00a0Hazards of ECH<\/strong><\/p>\n<p>ECH is highly reactive and may catch fire or explode when exposed to incompatible substances, releasing toxic fumes and gases. It is harmful to human health, causing irritation to eyes, skin, and respiratory tract. Seek medical attention immediately upon exposure.<\/p>\n<p>Health Hazards :<\/p>\n<ul>\n<li>Inhalation: Headache, difficulty breathing, CNS depression, reproductive harm, possibly fatal.<\/li>\n<li>Eyes: Severe irritation<\/li>\n<li>Skin: Discoloration, blistering, ulceration<\/li>\n<li>Ingestion: Nausea, vomiting, coughing<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>3.\u00a0 \u00a0How to Store ECH Safely: Best Practices<\/strong><\/p>\n<p>(1) Store in Cool, Well-Ventilated Areas<br \/>\nEpichlorohydrin (ECH) should be stored in a cool, well-ventilated area. Containers must be tightly sealed and made of opaque materials to prevent exposure to sunlight. Direct sunlight or contact with air may lead to the formation of explosive chlorinated organic compounds.<\/p>\n<p>&nbsp;<\/p>\n<p>ECH is highly reactive and must be kept away from the following materials to prevent combustion, heat-releasing reactions, or explosions:<\/p>\n<ul>\n<li>Strong acids : e.g., sulfuric acid, hydrochloric acid, nitric acid<\/li>\n<li>Strong bases : e.g., sodium hydroxide, potassium hydroxide, alcoholates<\/li>\n<li>Oxidizing agents and peroxides<\/li>\n<li>Metals : e.g., zinc, aluminum, iron and their respective chlorides<\/li>\n<li>Halogens : e.g., chlorine, bromine, iodine<\/li>\n<li>Water<\/li>\n<li>Amines and aniline compounds : e.g., isopropylamine<\/li>\n<li>Halogenated olefins : e.g., trichloroethylene<\/li>\n<li>Alkoxides and alcoholates : such as potassium methallylate, potassium methoxide, sodium methoxide, lithium methoxide, titanium butoxide, sodium butoxide, titanium isopropoxide, aluminum isopropoxide<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>These materials may trigger dangerous reactions when in contact with ECH. For example:<\/p>\n<ul>\n<li>ECH reacts violently with water and isopropylamine, releasing intense heat and splashing liquids.<\/li>\n<li>ECH and trichloroethylene can react to produce explosive dichloroacetylene.<\/li>\n<li>ECH and potassium methallylate may ignite spontaneously.<\/li>\n<\/ul>\n<p>To prevent accidents, ECH should be stored separately from all the substances listed above. Proper isolation is critical to minimizing safety risks.<\/p>\n<p>&nbsp;<\/p>\n<p>(2) Ensure Airtight Packaging<br \/>\nEpichlorohydrin (ECH) must be stored in tightly sealed containers. In the absence of stabilizers or inhibitors, ECH is prone to polymerization when exposed to air or light, which can lead to a rapid increase in internal pressure and may even cause the container to rupture or explode.<\/p>\n<p>In addition to its high flammability, ECH is classified as a toxic and carcinogenic chemical. Any leakage can pose serious health risks to workers and the surrounding environment. Therefore, it&#8217;s essential that ECH is stored in a sealed container.<\/p>\n<p>&nbsp;<\/p>\n<p>(3) Use Proper Hazard Labeling<br \/>\nContainers must carry appropriate hazard labels to inform handlers of potential dangers and emergency procedures. Labels help responders act quickly in the event of an incident during transport.<\/p>\n<p>&nbsp;<\/p>\n<p>Further Reading : <a href=\"https:\/\/qatransport.com\/en\/knowledge\/guide-dangerous-goods\/\">What Are Dangerous Goods? A Quick Guide to Hazard Classification and Transport Regulations<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>(4) Personnel Must Use Protective Gear<br \/>\nDue to its carcinogenicity and toxicity, handlers should wear gloves, protective clothing, goggles, gas masks, and SCBA (self-contained breathing apparatus), and receive professional training.<\/p>\n<p>&nbsp;<\/p>\n<p>(5) Avoid Spark-Generating Tools<br \/>\nECH is highly flammable and can release chlorine gas when reacting with fire, heat, static electricity, light, or steam. Use non-metal, spark-proof tools (e.g., plastic tools) in storage, handling, and transport.<\/p>\n<p>&nbsp;<\/p>\n<p>(6) Equip Storage Areas with Emergency Equipment<br \/>\nInstall emergency response equipment in areas where ECH is stored. Ensure MSDS and emergency tools are clearly marked and easily accessible.<\/p>\n<p>&nbsp;<\/p>\n<p>Further Reading : <a href=\"https:\/\/qatransport.com\/en\/knowledge\/guide-msds\/\">How to Understand the MSDS (Material Safety Data Sheet) and Key Details to Watch For<\/a><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>Published Date : January 10, 2025<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Epichlorohydrin ( ECH )? Hazard Classification, Uses, Risks, and Storage Guidelines &nbsp; Meta Description As one of the most common chemicals in transportation, epichlorohydrin requires careful understanding to ensure safe handling. This article explains its main uses, potential hazards, and key storage precautions to enhance transport safety. \u00a0 Introduction Epichlorohydrin (ECH) is widely [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86,101],"tags":[],"class_list":["post-15776","post","type-post","status-publish","format-standard","hentry","category-chemical-info","category-knowledge"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Epichlorohydrin ( ECH )? Hazard Classification, Uses, Risks, and Storage Guidelines<\/title>\n<meta name=\"description\" content=\"As one of the most common chemicals in transportation, epichlorohydrin requires careful understanding to ensure safe handling. 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Hazard Classification, Uses, Risks, and Storage Guidelines","isPartOf":{"@id":"https:\/\/qatransport.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/qatransport.com\/en\/knowledge\/chemical-ech\/#primaryimage"},"image":{"@id":"https:\/\/qatransport.com\/en\/knowledge\/chemical-ech\/#primaryimage"},"thumbnailUrl":"https:\/\/qatransport.com\/wp-content\/uploads\/2023.png","datePublished":"2025-05-28T09:24:21+00:00","dateModified":"2025-06-13T07:40:42+00:00","description":"As one of the most common chemicals in transportation, epichlorohydrin requires careful understanding to ensure safe handling. 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