Overview
1,3-Butadiene is a simple conjugated diene and a foundational petrochemical. Produced via steam cracking of hydrocarbons, it is a critical monomer for elastomers like styrene-butadiene rubber (SBR), which accounts for over 50% of global synthetic rubber production. Its reactivity in polymerization stems from its two double bonds, enabling the creation of durable, flexible materials. Industrially, butadiene is separated from C4 hydrocarbon streams through extractive distillation. Major producers include the U.S., China, and Western Europe, with demand driven by the automotive sector for tires and mechanical goods.
Physical and Chemical Properties
As a gas at room temperature, 1,3-butadiene is colorless with a mild aromatic odor. Its low boiling point (-4.4°C) necessitates pressurized storage or refrigeration for liquefaction. The compound’s conjugated double bonds make it highly reactive in Diels-Alder reactions and free-radical polymerizations. Key hazards include flammability (flash point: -76°C) and carcinogenicity (classified as a Group 1 carcinogen by IARC). It forms explosive peroxides upon prolonged exposure to air, requiring inhibitors like hydroquinone during storage.
Main Applications
Approximately 70% of 1,3-butadiene is used to manufacture synthetic rubbers. SBR, valued for tire treads, combines butadiene with styrene, while polybutadiene enhances impact resistance in plastics like ABS. Nitrile rubber (NBR), another derivative, provides oil resistance for seals and hoses. Non-rubber applications include hexamethylenediamine (for nylon-6,6) and sulfolane (a solvent). Emerging uses encompass specialty polymers for adhesives and coatings, though these niches represent smaller market segments.
Safety and Storage
Due to its flammability and toxicity, butadiene requires stringent handling. Storage vessels must be grounded, vented, and equipped with pressure relief valves. OSHA mandates exposure limits below 1 ppm (8-hour TWA), necessitating gas detectors in workplaces. Inhibited grades with tert-butylcatechol (TBC) are recommended to prevent polymerization during transit. Leaks should be addressed with nitrogen purging, as water spray alone may spread the vapor cloud.
B2B Procurement Guide
Buyers should prioritize suppliers with ISO-certified production facilities and batch-specific Certificates of Analysis (CoA). Purity standards typically exceed 99.5% for polymer-grade material, with residual acetylenes and vinyl acetylene tightly controlled. Logistics require UN 1010-certified tankers or cylinders. Contracts often include price adjustment clauses linked to naphtha or crude oil markets. Regional benchmarks include the Asian Contract Price (ACP) and U.S. Gulf Coast spot prices.
Related Manufacturers
- 主营：架桥剂、端羧基液体丁腈橡胶、苯乙烯磷酸、YW100 锂萃取剂、10-羟基癸酸、1-乙炔基环已醇、肉豆蔻酸镁、硬脂酸钴、全氟三丁胺、乙烯基磷酸二乙酯、磷酸锰铁锂、β-磷酸三钙、十一烯酸、钨酸铝、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮、原丁酸三甲酯
- 主营：小型挖掘机、越野叉车、电动叉车、自上料搅拌车、压路机、装载机、履带运输车、田园管理机、扫雪机、两头忙、轮式挖掘机、护栏打桩机、平口搅拌车、搅拌斗装载机、扫地机、背包钻机
- 主营：大鼠白介素、小鼠脂联素、表皮生长因子、XY90160RPHu、ELISA试剂盒、细胞因子、重组蛋白
- 主营：清洗剂、制冷剂、电子氟化液、氢氟醚、全氟聚醚、电子冷却液、导热液、电子检测液、正溴丙烷、反式二氯乙烯
- 主营：32、phoenix菲尼克斯防雷器、DEHN防雷器、obo防雷器
- 主营：氯化钠、除味剂、聚乙烯胺、246三甲基3环己烯1甲醛、二羟醋酸、肌氨基酸、聚乙烯铵、米诺地尔、醋酸亚铁、一水肌酸、树苔浸膏、2-丁二醇、纳米勃姆石、花椒油树脂、醋酸氯己定、糊状叶绿素、无味子醇甲、三硬脂酸铝、聚乙烯亚胺、胡椒基丁醚、全氟三丁胺、5-甲氧基色胺、聚酰亚胺树脂、人造康酿克油、有机硅季铵盐、氯化十六吡啶
- 主营：阳离子表面活性剂、十六烷基三甲基氯化铵、十二烷基三甲基氯化铵、12/14叔胺、十八烷基三甲基氯化铵
- 主营：西门子、安士能、PILZ、3RH2911、施耐德、SICK、施迈塞
- 主营：接收管、led指示、连器件、dt13-08pa、2.54mm10p、2.00mm18p、smp250-03、2.54mm30p、smp250-13、4.19mm20p、2.54mm72p、母插口、接线座、差分对、保险丝、插头usb、250v2asmd、2.54mm20p、线至板、防护罩、插座usb、评估板、热收缩、光导管、公引脚
- 主营：测量工具、刀具刃具、数控工具
- 主营：MERSEN熔断器、SIBA熔断器、ferraz保险丝、10*38mm保险丝、6.3*32mm熔丝、7012540、DF熔断器、schurter滤波、进口熔断器、SIBA熔断器底座、ferraz微动开关、MERSEN配电模块、Europa断路器、Europa隔离开关、Comar电容、SIBA代理、SIBA、SIBA微动开关、罗兰熔断器、MERSEN官网、美尔森电气、微型保险丝、5*20mm保险丝、500V熔断器、Protistor
- 主营：拖链电缆、卷筒电缆、伺服电机电缆、耐油电缆、扁平电缆、编码器电缆、屏蔽控制电缆、防水电缆
- 主营：爱丽达避雷针、浪涌保护器、电涌保护器、电源避雷器、信号避雷器、电源防雷器、低压浪涌保护器、防雷模块、光伏防雷器、网络防雷器、2M防雷器、二合一防雷器、监控避雷器、提前放电避雷针、DEHN防雷器、CITEL防雷器、电源防雷模块、信号防雷器、机架式多路防雷器、进口防雷器、天馈防雷器、开关量防雷器、智能防雷器、摄像头防雷器
- 主营：igg抗体、糖蛋白、试剂盒、脂蛋白、人瘦素、粗纤维、猪睾酮、烯二酮、nad激酶、测试盒、牛瘦素、牛胆酸、原果胶、磷酸酶、犬肾素、含水量、人蛋白、甜菜碱、igm抗体、dna抗体、磷脂酶、大鼠超、犬叶酸、人胆酸、样受体
- 主营：有机原料、中间体、香精香料、催化剂、有机硅、表面活性剂