Quaternium-51
What is Quaternium-51?
Quaternium-51 (CAS 1463-95-2) is a quaternary ammonium compound used in personal care and cosmetic formulations as a preservative and stabilizing agent.
Where is Quaternium-51 used?
- Personal care and cosmetics: preservative and stabilizing agent
- Rinse-off and leave-on cosmetic systems: biocidal component targeting microbial contamination that compromises shelf life
- Preservation blends: broad-spectrum activity against bacteria and fungi
- Hair care, skin care and personal hygiene: preservation strategies
- Emulsions and aqueous-based products: antioxidant role supporting formulation integrity
- It provides antimicrobial protection and oxidative stability to finished products.
Good to know: Buyers should confirm purity specifications and documentation requirements directly with suppliers; grade availability may vary by source, so verify that the material meets internal quality control standards.
Other Names (Synonyms)
2-(2-((5-Bromo-2-pyridyl)amino)vinyl)-1-ethyl-6-methylpyridinium iodide|Pyridinium, 2-(2-((5-bromo-2-pyridinyl)amino)ethenyl)-1-ethyl-6-methyl-, iodide|2-(2-((5-Bromopyridin-2-yl)amino)vinyl)-1-ethyl-6-methylpyridin-1-ium iodide|2-Picolinium, 6-[2-[(5-bromo-2-pyridyl)amino]vinyl]-1-ethyl-, iodide|6-[2-[(5-Bromo-2-pyridyl)amino]vinyl]-1-ethyl-2-picolinium iodide|1-Ethyl-6-methyl-2-[2-(5-bromo-2-pyridylamino)vinyl]pyridinium iodide