{"id":15741,"date":"2025-05-28T14:49:46","date_gmt":"2025-05-28T06:49:46","guid":{"rendered":"https:\/\/qatransport.com\/?p=15741"},"modified":"2025-06-10T18:11:58","modified_gmt":"2025-06-10T10:11:58","slug":"chemical-bdo","status":"publish","type":"post","link":"https:\/\/qatransport.com\/en\/knowledge\/chemical-bdo\/","title":{"rendered":"What is 1,4-Butanediol ( BDO )? Hazard Classification, Uses, Risks, and Storage Guidelines"},"content":{"rendered":"<p><strong>What is 1,4-Butanediol (<\/strong> <strong>BDO<\/strong> <strong>)? <\/strong><strong>Hazard Classification, Uses, Risks, and Storage Guidelines<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Meta Description<\/strong><br \/>\nAs a common chemical in logistics and transport, understanding the properties of 1,4-butanediol (BDO) is crucial to ensuring safe handling. This article introduces BDO\u2019s main uses, potential hazards, and key storage tips to ensure safety during transport and storage.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Introduction<\/strong><\/p>\n<p>1,4-Butanediol is widely used in a range of industries including fiber production, plastics, solvents, chemical raw materials, extraction agents, insulators, decolorizing agents, and fixatives. As a vital chemical raw material, it plays a key role in modern industry. However, BDO is a flammable chemical that can pose risks if improperly stored or transported. This article explains BDO\u2019s primary applications and hazards and outlines best practices for its storage.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>1.\u00a0 \u00a0What is 1,4-Butanediol? Is It a Hazardous Material? What Are Its Main Uses?<\/strong><\/p>\n<p><strong>1,4-Butanediol (BDO)<\/strong><br \/>\nChemical formula : HOCH<sub>2<\/sub>CH<sub>2<\/sub>CH<sub>2<\/sub>CH<sub>2<\/sub>OH<br \/>\nHS Code : 2905.3911.102<br \/>\nHazard Classification : Not regulated under IMDG ; no UN number assigned.<\/p>\n<p><strong>Physical Properties :<\/strong><\/p>\n<ul>\n<li>Appearance: Colorless liquid<\/li>\n<li>Boiling Point: 228\u00b0C<\/li>\n<li>Melting Point: 20.1\u00b0C<\/li>\n<li>Density: 1.012 g\/cm\u00b3 (at 25\u00b0C)<\/li>\n<li>Solubility: Fully miscible in water and many organic solvents<\/li>\n<li>Volatility: Low vapor pressure; not easily volatile<\/li>\n<\/ul>\n<p><strong>Chemical Properties :<\/strong><\/p>\n<p>BDO is chemically stable, but exposure to light or air can lead to the formation of peroxides, posing explosion risks. As a weak Lewis base, BDO reacts with acidic substances. BDO has two hydroxyl groups, classifying it as a diol (a type of polyol with two alcohol groups).<\/p>\n<p><strong>Synthesis :<\/strong><\/p>\n<ul>\n<li>Acetylene + Formaldehyde \u2192 Butyne diol \u2192 BDO (via hydrogenation)<\/li>\n<li>Natural gas \u2192 Formaldehyde \u2192 Succinic dialdehyde \u2192 BDO<\/li>\n<\/ul>\n<p><strong>Major Applications :<\/strong><\/p>\n<p>(1) Polymer Monomer<br \/>\nBDO is a monomer in the production of Polybutylene Terephthalate (PBT), a thermoplastic used in electronics for its insulating and heat-resistant properties (up to 150\u00b0C or 200\u00b0C when reinforced with glass fiber). It also reacts with urethanes to form polyurethane (PU) resins for use as crosslinkers and catalysts.<\/p>\n<p>&nbsp;<\/p>\n<p>(2) Synthesis of Tetrahydrofuran (THF)<br \/>\nBDO reacts with phosphoric acid under high temperatures to form THF, a key material used in semiconductors, organometallic compounds, crosslinking agents, polymers, and coordination compounds.<\/p>\n<p>&nbsp;<\/p>\n<p>Further Reading : <a href=\"https:\/\/qatransport.com\/en\/knowledge\/chemical-thf\/\">What is Tetrahydrofuran (THF)? Hazard Classification, Uses, Risks, and Storage Guidelines<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>(3) Derivatives<br \/>\nThrough dehydrogenation, BDO can be converted into gamma-butyrolactone (GBL), used in fragrances and as a cyanoacrylate remover. It can further react with methylamine or ammonia to produce N-Methylpyrrolidone (NMP), 2-pyrrolidone, and polyvinylpyrrolidone (PVP)\u2014used as surfactants, plastic solvents, desulfurization agents, alkene\/alkyne extraction agents, and IV drug vehicles.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>2.\u00a0 \u00a0Understanding the Hazards of BDO<\/strong><\/p>\n<p>BDO is flammable and may ignite or explode when reacting with incompatible substances. It emits harmful fumes and vapors during combustion. BDO is toxic and irritates the eyes, skin, and respiratory system. Immediate medical attention is necessary upon exposure.<\/p>\n<p><strong>Specific Health Hazards :<\/strong><\/p>\n<ul>\n<li>Inhalation: Can cause respiratory irritation, rapid breathing, and lung damage<\/li>\n<li>Eye Contact: May cause mild irritation<\/li>\n<li>Ingestion: Can damage the liver, kidneys, and nervous system<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>3.\u00a0 \u00a0How to Store BDO Safely? Key Storage Guidelines<\/strong><\/p>\n<p>(1) Store in a Cool, Ventilated Area<br \/>\nKeep BDO in a sealed, opaque container away from direct sunlight. Avoid storing it near oxidizers, peroxides, nitrates, or perchlorates as these can react to form THF and increase fire risk.<\/p>\n<p>&nbsp;<\/p>\n<p>(2) Use Sealed Packaging<br \/>\nWithout stabilizers, BDO can polymerize upon exposure to light or air, increasing internal pressure and potentially causing container rupture. Proper sealing is essential to prevent vapor leakage and ensure safety.<\/p>\n<p>&nbsp;<\/p>\n<p>(3) Chemical Labeling is Mandatory<br \/>\nContainers must be clearly labeled to communicate BDO&#8217;s properties and handling instructions. In case of emergency, responders can refer to the label for proper measures.<\/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) Personal Protective Equipment (PPE)<br \/>\nOperators should wear gloves, protective clothing, safety goggles, and gas masks, and must be professionally trained to handle BDO safely.<\/p>\n<p>&nbsp;<\/p>\n<p>(5) No Spark-Generating Tools<br \/>\nBDO is highly flammable and can explode upon contact with open flames, heat, static electricity, or light. Use non-metallic, spark-free tools\u2014plastic tools are preferred.<\/p>\n<p>&nbsp;<\/p>\n<p>(6) Emergency Equipment Readiness<br \/>\nBDO storage areas must be equipped with emergency response gear and the Material Safety Data Sheet (MSDS) should be clearly displayed and 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>&nbsp;<\/p>\n<p>Published Date : January 8, 2025<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is 1,4-Butanediol ( BDO )? Hazard Classification, Uses, Risks, and Storage Guidelines &nbsp; Meta Description As a common chemical in logistics and transport, understanding the properties of 1,4-butanediol (BDO) is crucial to ensuring safe handling. This article introduces BDO\u2019s main uses, potential hazards, and key storage tips to ensure safety during transport and storage. [&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-15741","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 1,4-Butanediol ( BDO )? Hazard Classification, Uses, Risks, and Storage Guidelines<\/title>\n<meta name=\"description\" content=\"As a common chemical in logistics and transport, understanding the properties of 1,4-butanediol (BDO) is crucial to ensuring safe handling. 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