西吡氯铵

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| ImageFile = Cetylpyridiniumchlorid.svg
| ImageSize =280
| ImageAlt = Skeletal formula of cetylpyridinium cation with a chloride anion
| ImageFile1 = Cetylpyridinium chloride 3D spacefill.png
| ImageSize1 = 280
| ImageAlt1 = Space-filling models of the component ions of cetylpyridinium chloride
| IUPACName = 1-Hexadecylpyridinium chloride
| OtherNames = Acetoquat CPC;
Pyrisept
EXADECYL-PYRIDINIUM, CHLORIDE
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| LD50 = 36 mg/kg (rabbit, iv)
400 mg/kg (rabbit, oral)（1-氯化十六烷基吡啶的一水合物），主要通过降低表面张力而起到抑菌和杀菌作用，对于细菌、病毒、真菌等均有良好疗效。該化合物用于某些类型的漱口水、牙膏、润喉糖、、口腔喷雾剂和中。

西吡氯铵是一种抗菌剂，但不属于抗生素，可杀死细菌和其他微生物。它已证明能有效预防牙菌斑和减少牙龈炎，还可用於某些杀虫剂中。

参考文献