1、氯乙酸乙烯酯_百度百科
氯乙酸乙烯酯是一种有机化合物,化学式为C₄H₅ClO₂,外观为无色液体,密度1.192g/cm³,熔点-68℃,沸点37-38℃(16mmHg),闪点51℃。 其分子含7个重原子、3个可旋转化学键,疏水参数XlogP为1.2,折射率1.444(20℃) [1]。 该物质可通过铂/钯催化一氧乙酸与乙酸乙烯酯反应、乙炔与氯酸加成或乙烯氧化法制备,主要用于生产粘合剂、涂料、感光性树脂及甲基丙烯酸纤维原料,也可作为丙烯酸酯等高分子弹性体的交联单体,应用于碱性交联乳液聚合。 氯乙酸乙烯酯属易燃液体,具有吸入、接触及吞食毒性,可能引起灼伤。 操作需佩戴防护装备,接触眼睛应立即冲洗并就医,事故处理需参照安全标签执行。
2、Preparation of Vinyl chloroacetate
Preparation of Vinyl chloroacetate (CAS no ), which is also known as , chloro-, vinyl ester, could be produced through the following synthetic route. A 1-l. three-necked flask is equipped with an efficient stirrer, a thermometer, a gas inlet tube 10 mm. in diameter, and a reflux condenser.
3、氯醋酸乙烯酯_化工百科
氯乙酸乙烯酯的制备可以通过氯乙酸和乙烯醇的酯化反应进行。 反应通常在酸性条件下进行,并使用酸催化剂,如硫酸。 氯乙酸乙烯酯是一种可燃液体,接触明火或高温容易引起火灾。 避免吸入氯乙酸乙烯酯的蒸汽,可能对呼吸道造成刺激。 接触皮肤和眼睛可能引起刺激,应注意防护措施。 在操作和储存过程中应注意通风良好,避免接触火源,存放在阴凉、干燥的地方,并远离易燃物。 在进行化学实验或应用中,请遵循实验室的安全规范和正确操作方法。 最后更新:2024-04-09 15:16:45. 产品描述: 巴师傅化工原料厂家直供、产品丰富多样、批量采购价格更优! 店铺展示的商品仅为我司部分精选,了解更多产品详情欢迎致电:肖经理18721521379,期待与您的沟通!
氯乙酸乙烯酯
ChemicalBook 为您提供氯乙酸乙烯酯 (2549-51-1)的化学性质,熔点,沸点,密度,分子式,分子量,物理性质,毒性,结构式,海关编码等信息,同时您还可以浏览氯乙酸乙烯酯 (2549-51-1)产品的价格,供应商,贸易商,生产企业和生产厂家,最后氯乙酸乙烯酯 (2549-51-1)的中文,英文,用途,CAS,上下游产品信息可能也是您需要的。
VINYL CHLOROACETATE
Checked by Maynette Vernsten and Homer Adkins. 1. Procedure. Vinyl chloroacetate is lachrymatory. A 1-l. three-necked flask is equipped with an efficient stirrer, a thermometer, a gas inlet tube 10 mm. in diameter, and a reflux condenser.
Vinyl Chloroacetate
Environmental Impact of Vinyl Chloroacetate As a chemical product, vinyl chloroacetate’s production and usage may harm the environment. Its manufacturing process consumes significant energy and generates pollutants like wastewater and exhaust gases.
The Chemistry of Vinyl Chloroacetate: Synthesis and Industrial Uses
Delve into the synthesis and industrial applications of Vinyl Chloroacetate (CAS 2549-51-1), a key monomer for polymers, textiles, and films.
Vinyl chloroacetate
Vinyl chloroacetate is a colorless clear liquid, almost insoluble in water, soluble in ethanol, carbon tetrachloride, ether, dimethylformamide and benzene. Irritating to skin and eyes. Corrosive. Slowly hydrolyzed to produce chloroacetic acid, which has an ecological impact.
Multistage Process for Synthesis of Vinyl Chloroacetate
Multistage Process for Synthesis of Vinyl Chloroacetate | Industrial & Engineering Chemistry Product Research and Development
Vinyl chloroacetate
Chemsrc provides Vinyl chloroacetate (CAS#:2549-51-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Vinyl chloroacetate are included as well.
Vinyl chloroacetate, as an important organic synthesis intermediate, is widely used in various fields such as plastics, adhesives, coatings, and textile auxiliaries. Its production process is complex, involving multiple chemical reactions and precise process control, posing a challenging task in chemical manufacturing. This article explores the synthesis of vinyl chloroacetate and its industrial applications.
I. Chemical Structure and Properties of Vinyl Chloroacetate
Vinyl chloroacetate (CH₂=C(Cl)COOCH₃) is a colorless liquid with a characteristic pungent odor. It is soluble in water and ethanol and can be used as a solvent, plasticizer, or emulsifying agent. Industrially, it is primarily employed to produce polyvinyl acetal resin (PVAc), polyvinyl acetate emulsion, and chlorinated polyethylene.
II. Overview of Production Process
The production of vinyl chloroacetate involves two main steps: chlorination of ethyl acetate followed by methanolysis of trichloroethylene.
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Chlorination of Ethyl Acetate The initial step involves the chlorination of ethyl acetate. Under catalyst action, ethyl acetate reacts with chlorine gas to form chloroacetic acid. This exothermic reaction requires strict temperature control to prevent side reactions.
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Methanolysis of Trichloroethylene The second step converts chloroacetic acid into vinyl chloroacetate through methanolysis. Sulfuric acid serves as the catalyst, and heating drives the substitution reaction between the hydroxyl group of chloroacetic acid and methanol, yielding vinyl chloroacetate. This reaction is also exothermic and demands precise temperature regulation.
III. Technical Challenges and Solutions
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Temperature Control Both chlorination and methanolysis are highly sensitive to temperature. Deviations from optimal ranges affect reaction efficiency and product quality. Advanced temperature control systems are essential to maintain ideal conditions.
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Catalyst Optimization Selecting appropriate catalysts and dosages is critical for improving yield and reducing energy consumption. Experimental optimization determines the best catalyst type and concentration.
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Suppression of Side Reactions Potential side reactions, such as polymerization of ethyl acetate, reduce product yields and generate toxic byproducts. Mitigation strategies include refined process controls and inhibitor addition.
IV. Applications and Market Prospects
Vinyl chloroacetate is a key raw material for producing PVAc, polyvinyl acetate emulsions, and chlorinated polyethylene. Its applications also extend to plasticizers, emulsifiers, and adhesive formulations. With increasing focus on environmental sustainability, greener production methods and low-toxicity variants are gaining traction, driving market growth.
The production of vinyl chloroacetate demands advanced technology and meticulous process management. By addressing technical challenges—such as reaction temperature control, catalyst optimization, and side reaction mitigation—manufacturers can enhance yields and meet market demands. As technological advancements and environmental regulations evolve, the production and application scope of vinyl chloroacetate are expected to expand significantly, offering promising market potential.

