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Benzalkonium Chloride ( Uniquat QAC 50/ 80) is blend of alkyl dimethyl benzyl ammonium chloride.
Benzalkonium chloride, also known as alkyldimethylbenzylammonium chloride and ADBAC, is a mixture of alkylbenzyldimethylammonium chlorides of various even-numbered[ 2] alkyl chain lengths. This product is a nitrogenous cationic surface-acting agent belonging to the quaternary ammonium group. It has three main categories of use; as a biocide, a cationic surfactant and phase transfer agent in the chemical industry.

Availability
Standard concentrates are manufactured as 50% and 80% w/ w solutions, and sold under trade names such as BC50, BC80, BAC50, BAC80, etc. The 50% solution is purely aqueous, while more concentrated solutions require incorporation of rheology modifiers ( alcohols, polyethylene glycols, etc.) to prevent increases in viscosity or gel formation under low temperature conditions.
Applications
The applications are extremely wide ranging, from disinfectant formulations, such as being the active ingredient in Dettol ( Lysol) , to microbial corrosion inhibition in the oilfield sector and a multi-surface mould, algae and moss remover.[ 3] It is used in:
ï ¿ ½ Pharmaceuticals such as leave-on skin antiseptics
ï ¿ ½ Antiseptic in Bactine to safely treat childhood scrapes and cuts.
ï ¿ ½ Advanced, next generation hand sanitizers
ï ¿ ½ Hygienic towelettes and wet wipes
ï ¿ ½ Cosmetics such as eye and nasal drops, as a preservative
ï ¿ ½ Cleaners for floor and hard surfaces as a disinfectant
ï ¿ ½ High-level surgical instrument sterilizing and disinfection solutions
ï ¿ ½ Air and surface sprayable disinfectants
ï ¿ ½ Over-the-counter herpes cold sore and fever blister single-application treatments such as Viroxyn
Benzalkonium chloride and other alcohol-free solutions are often used in preparations used for skin disinfection prior to use of syringes.[ citation needed]
In a 1998 study utilizing the FDA protocol, a non-alcohol sanitizer utilizing the active ingredient benzalkonium chloride met the FDA performance standards, while Purell, a popular alcohol based sanitizer, did not. The study found that a benzalkonium chloride based sanitizer was the most favorable non-alcohol based hand sanitizer.[ 4] New generation, plant derived versions are used in hand sanitizers that are more effective and safer than alcohol gels. As an antiseptic, it has the advantage of not burning when put on a wound, which is not the case with ethanol-based antiseptics or hydrogen peroxide. As the antiseptic in Bactine, benzalkonium chloride has been used safely for decades on childhood scrapes and cuts.
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