Quaternary ammonium salts or quaternary ammonium compounds (called quaternary amines in oilfield parlance) are salts of quaternary ammonium cations. Polyquats are a variety of …

Quaternary ammonium salts (QAS) are cationic compounds containing alkyl groups in a chain length of C8–C18, which are water soluble and can be used as disinfectants in textile …

四级铵盐又称季铵盐，英文名Quaternary Ammonium Salt，为 铵离子 中的四个 氢原子 都被 烃基 取代而生成的化合物，通式R 4 NX，其中四个烃基R可以相同，也可不同。

季铵盐[1][2] （quaternary ammonium salts）又稱 四級銨鹽 或 活性四級化合物，是 铵离子 的四个 氢原子 都由 烃基 取代而形成的 季铵阳离子 （quaternary ammonium cations，quats） 盐， …

2022年2月28日 · A quaternary ammonium salt is an ionic compound that has the following general structural formula. n = positive whole number R 1 , R 2 , R 3 , and R 4 could be …

2023年5月9日 · Quaternary ammonium compounds (QACs), a large class of chemicals that includes high production volume substances, have been used for decades as antimicrobials, …

2022年10月14日 · Quaternary ammonium compounds, also called quats or QACs, are a group of chemicals used for a variety of purposes including as preservatives, surfactants, antistatic …

2023年11月8日 · Quaternary ammonium salts (QAS) are ionic compounds composed of quaternary ammonium nitrogen, four alkyl or aryl groups linked to this nitrogen, and an anionic …

2024年4月8日 · This review outlines strategies for using quaternary ammonium salts (QAS) as alternative and solid reagents in alkylation reactions, enabling safer chemical synthesis …

2019年5月6日 · Quaternary ammonium compounds, referred to as QACs, are cationic substances with a structure on the edge of organic and inorganic chemistry and unique physicochemical …