咪唑 | 食品添加物合法業者資訊網

咪唑（英語：Imidazole），即1,3-二氮唑，是一個五元雜環芳香性有機化合物，​化學式C 3H 4N 2。它也是一個生物鹼。白色或淺黃色固體結晶，可溶於水、氯仿、 ... Read More

其鹼性比咪唑略強，其共軛酸的pKa為7.0和7.4。 ... Press, ISBN 0-485-11092-X; ^ Ebel, K., Koehler, H., Gamer, A. O., & Jäckh, R. Imidazole and Derivatives. Read More

Amphoterism[edit] ... Imidazole is amphoteric. That is, it can function as both an acid and as a base. As an acid, the pKa of imidazole is 14.5, making it less acidic​ ... Read More

It is slightly more basic than imidazole, as indicated by the pKa's of the conjugate acids of 7.0 and 7.4. Methylation also provides a significantly lower melting point,​ ... Read More

The pKa of imidazole is 7.0(4), indicating that this compound will exist partially in cation form and cations generally adsorb more strongly to soils containing ... Read More

Imidazole. pKa: 6.9, 14.4, 33.7. 2-Imidazoline. Imidazolidine. Pyrazole. pKa: 19.8 ... 4H-Pyran. Pyridine. pKa: 5.2. Piperidine. pKa: 11.2. 1,4-Dioxane. Morpholine. Read More

Rationale Behind “Alpha-Stat” ... Imidazole is an important intracellular buffer because it is a building block for proteins and enzymes and because it has a pKa (at ... Read More

由 K Poturcu 著作 · 2020 · 被引用 2 次 — The benzimidazole and imidazole rings are the most important ... Manallack, D. T. The pKa Distribution of Drugs: Application to Drug Discovery. Read More

由 J Alí-Torres 著作 · 2011 · 被引用 54 次 — The imidazole ring is part of the lateral chain of histidine. One of the main features of this amino acid is the ability to coordinate copper, especially Cu2+, because ... Read More