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1,4-Phenylenedipropionamide, also known as N,N'-(1,4-phenylene)bis(propionamide), is an organic compound with the chemical formula C??H??N?O?. It is a white crystalline solid that is soluble in water and various organic solvents. 1,4-phenylenedipropionamide is primarily used as a monomer in the production of polyamides, specifically in the synthesis of Kevlar, a high-strength, heat-resistant, and lightweight synthetic fiber. Kevlar is widely used in applications such as bulletproof vests, ropes, and composite materials due to its exceptional mechanical properties. The chemical structure of 1,4-phenylenedipropionamide consists of a benzene ring with two propionamide groups attached to opposite sides, forming a linear, rigid molecule that contributes to the strength and stability of the resulting polymer.

38465-00-8

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38465-00-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38465-00-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,4,6 and 5 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38465-00:
(7*3)+(6*8)+(5*4)+(4*6)+(3*5)+(2*0)+(1*0)=128
128 % 10 = 8
So 38465-00-8 is a valid CAS Registry Number.

38465-00-8Relevant articles and documents

Direct preparation of primary amides by reaction of carboxylic acids and ammonia in alcohols using DMT-MM

Mizuhara, Tsukasa,Hioki, Kazuhito,Yamada, Megumi,Sasaki, Hideaki,Morisaki, Daiki,Kunishima, Munetaka

, p. 1191 - 1192 (2008)

A simple and mild method for the direct conversion of carboxylic acids to primary amides has been developed by using 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)- 4-methylmorpholim'um chloride (DMT-MM). The reaction proceeds by adding DMT-MM to a mixture of carboxylic acids and an ammonia source in methanol, 2-propanol, or THF without any additives. The present method is quite practical in that aqueous ammonia or ammonium chloride/triethylarnine can be used as an ammonia source. Methanol or 2-propanol is an ideal polar solvent because it is inexpensive, can be removed by rotary evaporator, and solubilizes many kinds of polar or nonpolar compounds.

Corresponding amine nitrile and method of manufacturing thereof

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Paragraph 0124; 0125; 0131, (2018/05/24)

The invention relates to a preparation method of nitrile. Compared with the prior art, the preparation method has the characteristics of obvious reduction of the usage amount of ammonia sources, low environmental pressure, low energy consumption, low production cost, high purity and yields of nitrile products, and the like, and can be used for obtaining nitrile with a more complex structure. The invention also relates to a method for preparing corresponding amine with nitrile.

Corresponding amine nitrile and method of manufacturing thereof (by machine translation)

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Paragraph 0124; 0125; 0126; 0131, (2018/07/15)

The present invention relates to a nitrile manufacturing method, which has characteristics of significantly-reduced ammonia source consumption, low environmental pressure, low energy consumption, low production cost, high nitrile purity, high nitrile yield and the like compared with the method in the prior art, wherein nitrile having a complicated structure can be obtained through the method. The present invention further relates to a method for producing a corresponding amine from the nitrile.

Corresponding amine nitrile and method of manufacturing thereof

-

Paragraph 0125; 0126; 0131; 0132, (2018/07/15)

The invention relates to a preparation method of nitrile. Compared with the prior art, the preparation method has the characteristics of obvious reduction of the usage amount of ammonia sources, low environmental pressure, low energy consumption, low production cost, high purity and yields of nitrile products, and the like, and can be used for obtaining nitrile with a more complex structure. The invention also relates to a method for preparing corresponding amine with nitrile.

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