L-Asp(Obzl)-NCA CAS NO. 13590-42-6 Polyaspartic Acid

Product Description

Asp(Obzl)-NCA CAS NO. 13590-42-6 Polyaspartic Acid

Name: Asp(Obzl)-NCA

CAS NO: 13590-42-6

M.W:249.22

Appearance: White Powder

Purity: 98+   

Synonyms: Aspartic acid-4-benzyl ester-NCA, β-Benzyl L-aspartic acid N-carboxyanhydride

Application

Asp(Obzl)-NCA plays a crucial role in the synthesis of polyaspartic acid (PAsp). As an important intermediate for PAsp production, Asp(Obzl)-NCA enables precise control over the structure and properties of the resulting polymer. By adjusting the amount of Asp(Obzl)-NCA used and the reaction conditions, it is possible to influence the molecular weight, configuration, and other physical and chemical properties of PAsp.

Polyaspartic acid, a polymeric amino acid with carboxylic acid side chains, is formed through the dehydration condensation of aspartic acid monomers. It can exist in both alpha and beta configurations, with the natural polyaspartic acid fragments present in the alpha form, while synthetic PAsp may contain a mixture of alpha and beta configurations.

The use of Asp(Obzl)-NCA in the synthesis of PAsp contributes to the development of this important biodegradable material. PAsp has a wide range of applications in biomedicine, cosmetics, and the food industry due to its biodegradability, non-toxicity, and phosphorus-free characteristics. As a green water treatment agent, it can replace traditional phosphorus-containing water treatment agents, preventing water eutrophication and secondary pollution from discharges.

Therefore, Asp(Obzl)-NCA plays a significant role in the synthesis of polyaspartic acid, paving the way for its various applications. However, specific synthesis steps and the exact mechanism of Asp(Obzl)-NCA's action may vary depending on the synthesis method and conditions used, which typically requires reference to chemical literature or consultation with chemical experts.

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Transportation

Small package(1g, 25g, 1Kg, 25Kg) can be shipped by Express. (DHL, FedEx, EMS, etc.)
Large package(100kg and more than100Kg) can be transported by Air or Sea.

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