Overview
Ethyleneimine, commonly known as aziridine, is a three-membered heterocyclic compound containing one nitrogen atom. It is a highly reactive and versatile chemical used in various industrial applications. Due to its strained ring structure, ethyleneimine readily undergoes ring-opening reactions, making it valuable in polymerization and chemical synthesis. The compound was first synthesized in the late 19th century and has since become a critical intermediate in the production of specialty chemicals. Its reactivity, however, demands careful handling, as it is toxic, flammable, and corrosive. Industrial use of ethyleneimine requires strict safety protocols to mitigate risks.
Physical and Chemical Properties
Ethyleneimine is a colorless liquid with a pungent, ammonia-like odor. It has a low boiling point (56-57 °C) and is miscible with water and most organic solvents. The compound's high reactivity stems from its strained three-membered ring, which makes it prone to nucleophilic attack and polymerization. Key chemical properties include its ability to react with acids, alcohols, and amines, forming derivatives used in various applications. Ethyleneimine is also highly flammable, with a flash point of -11 °C, and poses significant health hazards upon inhalation, ingestion, or skin contact.
Main Applications
Ethyleneimine is primarily used in the production of polymers, such as polyethyleneimine (PEI), which finds applications in paper manufacturing, water treatment, and adhesives. It is also a key intermediate in the synthesis of pharmaceuticals, including anticancer agents and antibiotics. In the agrochemical industry, ethyleneimine derivatives are used to produce herbicides and fungicides. Additionally, the compound is employed in the manufacture of surfactants and corrosion inhibitors. Its versatility makes it indispensable in specialty chemical production, though its use is tightly regulated due to safety concerns.
Safety and Storage
Due to its toxicity and flammability, ethyleneimine must be stored in tightly sealed containers in a cool, well-ventilated area away from heat sources and open flames. Personal protective equipment (PPE), including gloves, goggles, and respirators, is essential when handling the compound. Spills should be contained immediately using inert absorbents, and contaminated areas must be decontaminated thoroughly. Emergency procedures, including eyewash stations and safety showers, should be readily available in workplaces handling ethyleneimine. Regulatory compliance with occupational exposure limits (OELs) is critical to ensuring worker safety.
B2B Procurement Guide
When procuring ethyleneimine, prioritize suppliers with a proven track record of safety and quality compliance. Verify the availability of Material Safety Data Sheets (MSDS) and ensure the product meets industry standards for purity and stability. Bulk purchasing can reduce costs, but consider storage and handling requirements. Establish clear transportation and storage protocols to minimize risks. For international procurement, ensure compliance with local and international regulations, such as REACH and OSHA standards. Long-term supplier relationships can provide stability in pricing and availability.
Related Manufacturers
- 主营：聚氮杂环丙烷、高铁酸钾
- 主营：肌氨酸钠、硫化锰、腰果酚缩水甘油醚、V50偶氮二异丁脒盐酸盐、乙硫氮、二新癸酸二甲基锡、三硫代碳酸钠、PX-4MP、芥酸PKO、四氧化三锰
- 主营：塑胶原料、橡胶原料、沙林树脂、聚氮杂环丙烷PEI、PTFE、PPA、铁氟龙、PC、PEEK、COC、EVA
- 主营：花生酸、碳酸钠、单氟磷酸钠、聚氮杂环丙烷、丁基羟基茴香醚、鱼大豆酵母原料
- 主营：改性遮光塑料、导电防静电塑料、高温工程塑料、聚氮杂环丙烷、EVOH阻隔材料、PPA材料、PPS材料、PA66材料、PC/ABS材料、LCP材料、PC材料、PCTG材料、光扩散材料、PA6材料、工程塑料、通用塑料、TPU聚氨酯
- 主营：通用料、聚丙烯、TPU、聚氮杂环丙烷、EVA、PA66、PA6、POM、ABS、PC、PPO、POE、PEEK、PPE、PPS、PETG、AES、PA、TPV
- 主营：11c1-40bk、fr15bk001、n190x-701、408wnc010、hhm5502lw、ppo基础、紫外线、408lnc010、105fbk010、n190x-111、阻燃ppo、fr50bk505、gfn20-701、透明tpu、htnfe8200、n300x-701、n225x-701、70g30hsr2、70gb40hsl、均聚物、158nc010z、fr50bk086、ppr-mt40s、翘曲pa66、8035000000
- 主营：橡胶油、白芷油、7782-92-5、二甲基氮杂环丙烷基、pbtcaona4、艾叶油、二甲基、桉树醇、2905-60-4、5989-81-1、重质苯、活性炭、1305-62-0、1192-62-7、安息油、9005-32-7、正辛烷、7775-27-1、8050-09-7、1739-84-0、7786-30-3、黄糊精、6920-22-5、三辛胺、1897-52-5、7727-21-1
- 主营：胆酸、半叶素、二羟基吲哚、缩合剂、生物缓冲液、表面活性剂、硅烷偶联剂、L-丙交酯、光电材料中间体、精细化工
- 主营：污水处理系列、肥料系列、食品添加剂、聚氮杂环丙烷、水产养殖、表面活性剂、各种溶剂、饲料添加剂
- 主营：减磨剂、防锈剂、添加剂、润滑剂、抗腐剂、丙烯酸、抗氧剂、改进剂、清净剂、极压剂、色墨油墨、金属钝化剂、无灰分散剂、聚氨酯乳液、聚氨酯树脂、复合油墨树脂、高分子化合物、润滑脂拉丝剂、润滑油破乳剂、膜强度增强剂、润滑油增稠剂、润滑脂增粘剂、导热油复合剂、硫化烷基酚钙、活塞环释放剂
- 主营：乙酸镁、阻燃剂、热熔胶、三羟甲基丙烷三、聚合物、锂电池、光电极、泡泡糖、氯丁胶、碳酸镉、新癸酸、补差价、稀释剂、羟乙基、氧化铝、氧化铜、甲酸钾、c/c材料、碳酸锰、玻璃粉、硬光油、防腐剂、氧化铋、防水剂、聚丙烯、增粘树
- 主营：反应活、hydrazide、修饰剂、叠氮戊醇、催化剂、糖蛋白、连接子、激动剂、聚合物、活性脂、胆固醇、钆特酸、催化性、dna标记、络合剂、荧光试剂、雨蛙素、乙二胺、ped结构、衍生物、化合物、链接剂、反应物、生物素
- 主营：硫酰胺、抗氧剂、氟苯基、中间体、2-戊酮酸、溴咪唑并、焦谷氨醇、异丁酰胺、利伐沙班、l-脯氨酰胺、l-苯基乳酸、l-氨基丙醇、d-苯基乳酸、2-甲基丁酸、2-甲基丁酯、3-氨基丙醇、2-氰基嘧啶、对氰基苯酚、邻氟苯甲酸、邻溴苯乙酸、间溴苯甲酸、丁位癸内酯
- 主营：纸板桶、编织袋、胞苷酸、腺苷酸、磷酸镁、99%吲哚、藜麦肽、甲酰胺、溴化钾、腺苷、增稠剂、樟脑粉、三醋酸纤维素、酸辛酯、99%曲酸、2-氯嘧啶、6-己内酯、液状石蜡、焦谷氨酸、草酸氢铵、邻苯二甲、乙酸癸酯、尿苷酸二钠、盐酸羟胺、乳酸菌素