Benzalkonium Chloride,BKC, CAS 8001-54-5

Name Benzalkonium chloride
CAS 8001-54-5
EINECS 264-151-6

8001-54-5 – Physico-chemical Properties

Molecular Formula C22H42ClNO
Molar Mass 372.028
Physical and Chemical Properties Appearance white crystalline powder
Use Widely used as a disinfectant

Benzalkonium chloride (BZKBKCBAKBAC), also known as alkyldimethylbenzylammonium chloride (ADBAC),is a type of cationic surfactant. It is an organic salt classified as a quaternary ammonium compound. ADBACs have three main categories of use: as a biocide, a cationic surfactant, and a phase transfer agent. ADBACs are a mixture of alkylbenzyldimethylammonium chlorides, in which the alkyl group has various even-numbered alkyl chain lengths.

Standard concentrates are manufactured as 50% and 80% w/w solutions, and sold

Benzalkonium chloride is readily soluble in ethanol and acetone

Benzalkonium chloride as Cationic surfactant, is always used as Laundry detergents and Softeners for textiles.

Especially for its antimicrobial activity, benzalkonium chloride is an active ingredient in many consumer products:

  • Pharmaceutical products such as eye, ear and nasal drops or sprays, as a preservative.
  • Personal care products such as hand sanitizers, wet wipes, shampoos, soaps, deodorants and cosmetics
  • Skin antiseptics and wound wash sprays, such as Bactine.
  • Throat lozenge and mouthwashes


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