Behentrimonium chloride

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Behentrimonium chloride is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Behentrimonium chloride, also known as docosyltrimethylammonium chloride or BTAC-228, is a yellow waxlike organic compound with chemical formula CH3(CH2)21N(Cl)(CH3)3, used as an antistatic agent and, sometimes, a disinfectant. It is commonly found in cosmetics such as conditioners, hair dye, and mousse, and also in detergents. Laboratory tests have indicated that it does readily biodegrade.

Behentrimonium chloride
Names
Preferred IUPAC name
N,N,N-Trimethyldocosan-1-aminium chloride
Other names
Docosyltrimethylammonium chloride, BTAC-228, docosyl-trimethylazanium chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.037.554 Edit this at Wikidata
UNII
  • InChI=1S/C25H54N.ClH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(2,3)4;/h5-25H2,1-4H3;1H/q+1;/p-1 checkY
    Key: YSJGOMATDFSEED-UHFFFAOYSA-M checkY
  • InChI=1/C25H54N.ClH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(2,3)4;/h5-25H2,1-4H3;1H/q+1;/p-1
    Key: YSJGOMATDFSEED-REWHXWOFAO
  • [Cl-].C(CCCC[N+](C)(C)C)CCCCCCCCCCCCCCCCC
Properties
C25H54ClN
Molar mass 404.16 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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