141-28-6 Usage
Description
Diethyl adipate (DEA), also known as adipic acid diethyl ester, is a clear, colorless, oily liquid that is soluble in ethanol and other organic solvents but insoluble in water. It is a fatty ester processed from the esterification of adipic acid and ethanol, and it can be used as a plasticizer.
Uses
Used in Organic Synthesis:
Diethyl adipate is used as a solvent and reagent in organic synthesis for various chemical reactions, facilitating the formation of new compounds and improving the efficiency of the process.
Used in Plasticizer Industry:
Diethyl adipate is used as a plasticizer to increase the flexibility, workability, and durability of materials such as polymers and plastics. It helps in reducing the brittleness and improving the overall performance of the end product.
Used in Polymer Synthesis:
Diethyl adipate is used as a monomer in the synthesis of polymers, contributing to the development of new materials with specific properties tailored for various applications.
Used in Fragrance Synthesis:
Diethyl adipate is used in the fragrance industry as a component in the creation of various scents, enhancing the overall aroma and quality of the final product.
Used in Hexanediol and Oligoadipadamide Synthesis:
Diethyl adipate is used in the synthesis of hexanediol and oligoadipamide, which can be layered with perfluoropolyether networks for protective coating applications, providing enhanced durability and resistance to various environmental factors.
Used in Ethylene Chlorotrifluoroethylene Copolymer (ECTFE) Membranes:
Diethyl adipate is used as a plasticizer in the development of ECTFE-based membranes for the pervaporation of water and toluene-based blends, improving the separation efficiency and performance of the membranes.
Used in Poly(vinylidene fluoride) (PVDF2) Gels:
Diethyl adipate is used in the formation of PVDF2 gels with fibrillar morphology, which can be employed in various applications such as water treatment, drug delivery, and other industrial processes.
Used in Diesel Engine Fuel:
Diethyl adipate is used in the combustion and emission characteristics of a direct-injection diesel engine fueled with diesel-diethyl adipate blends, potentially improving the engine's performance and reducing harmful emissions.
Synthesis
Diethyl adipate is synthesized by esterification of adipic acid and ethanol in the presence of concentrated sulfuric acid.
Check Digit Verification of cas no
The CAS Registry Mumber 141-28-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,4 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 141-28:
(5*1)+(4*4)+(3*1)+(2*2)+(1*8)=36
36 % 10 = 6
So 141-28-6 is a valid CAS Registry Number.
141-28-6Relevant articles and documents
Oxovanadium(V)-Induced Ring-Opening Oxygenation of Cyclic Ketones in Alcohol
Hirao, Toshikazu,Mori, Makoto,Ohshiro, Yoshiki
, p. 2399 - 2400 (1989)
Cyclic ketones underwent ring-opening oxygenation on treatment with VO(OEt)Cl2 in alcohol under oxygen to give the corresponding keto ester or diesters depending on the substituent at 2-position.This system was applicable to a catalytic reaction.
Fichter,Maritz
, p. 265 (1939)
Microwave-Assisted Nickel-Catalyzed Rapid Reductive Coupling of Ethyl 3-iodopropionate to Adipic Acid
Zhang, Linfeng,Zheng, Jing,Zou, Wenya,Shu, Yongqi,Yang, Weiran
, p. 2339 - 2345 (2021/01/04)
Abstract: 3-iodopropionic acid (3-IPA) can be efficiently synthesized from the glycerol derivative glyceric acid (GA), which is a potential biomaterial-based platform molecule. In this report, ethyl 3-iodopropionate was rapidly dimerized to diethyl adipate in a microwave reactor using NiCl2·6H2O as a catalyst, co-catalyzed by Mn and the 1, 10-Phenanthroline monohydrate ligand. Under the optimum reaction conditions, diethyl adipate can be obtained with 84% yield at 90?°C in just 5?min. Diethyl adipate was hydrolyzed to obtain the adipic acid (AA) in 89% yield with an acid catalyst. AA is an important chemical and a monomer for producing a wide range of high-performance polymeric substances. This rapid coupling method is also applicable to other alkyl halides. Graphic Abstract: [Figure not available: see fulltext.]
Preparation method for catalytic synthesis of adipic acid dialkyl ester by heteropolyacid
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Paragraph 0040-0041, (2021/01/15)
The invention relates to a preparation method for catalytic synthesis of adipic acid dialkyl ester by heteropolyacid. The method specifically comprises the following steps: 1) mixing adipic acid, alcohol and heteropolyacid, uniformly stirring, and carrying out esterification reaction; and 2) after the esterification reaction is finished, standing and filtering to remove heteropoly acid, adding a sodium carbonate aqueous solution to obtain an organic phase and a water phase, taking the organic phase, concentrating and drying to obtain the product adipic acid dialkyl ester. Compared with the prior art, the raw materials are easy to obtain, the preparation method is simple, the preparation method is economical and environmentally friendly, and the adopted catalyst has the advantages of beinghigh in reaction activity, easy to recycle and the like.
