Benzalkonium chloride 50% 25 g

What makes this quaternary compound a staple across disinfection industries

Benzalkonium chloride 50% belongs to the quaternary ammonium compound family and remains one of the most widely used active ingredients across global disinfection and preservation industries. This concentrate sits within the Biocides category because of its strong antimicrobial performance against a broad range of bacteria, certain viruses and fungi. Worldwide demand for this compound is driven primarily by hand sanitizer gels, surface disinfectant sprays, instrument cleaning solutions for clinics and salons, and as a preservative in liquid cosmetic formulations, shampoos and household cleaners. The compact 25 g pack suits home labs, formulation trials and small studio batches where precise dosing matters more than bulk volume.

Beyond cosmetics, benzalkonium chloride plays a major industrial role in manufacturing sanitizers for healthcare facilities, food processing equipment cleaning, veterinary care and agricultural biosecurity protocols. Its cationic charge allows the molecule to bind effectively to surfaces and microbial cell membranes, disrupting their protective structure. In cosmetic formulations it is typically added during the final cooling stage at temperatures not exceeding 40-45°C to prevent thermal degradation of the active substance. Recommended usage levels in finished products usually range from 0.01% to 0.1-0.13% of active ingredient, which at 50% concentration translates into fairly small quantities of concentrate per kilogram of formula.

The compound blends well with nonionic and amphoteric surfactants but shows poor compatibility with anionic surfactants and soap bases, since they can neutralize the cationic charge and reduce antimicrobial effectiveness. This becomes especially relevant when formulating shampoos, shower gels or liquid detergents that rely on salts such as potassium chloride or Israeli-sourced potassium chloride as viscosity modifiers, since compatibility with the surfactant system should always be verified beforehand. Some manufacturers also rely on ammonium chloride as an alternative thickening salt that performs reliably alongside cationic preservatives.

Store the concentrate in a tightly sealed container, away from direct sunlight and heat sources, and keep it isolated from strong oxidizing agents. Gloves are recommended when handling the undiluted concentrate, as it may cause skin or mucous membrane irritation in its raw form. Once diluted to working strength, the product becomes considerably milder and easier to handle safely.

Small-batch surface sanitizing spray

Distilled water 470 ml

Benzalkonium chloride 50% 1.2 ml

Isopropyl alcohol 20 ml

Glycerin 4 ml

Combine the distilled water with isopropyl alcohol in a spray bottle, then add the benzalkonium chloride concentrate and glycerin. Shake thoroughly for about a minute until the mixture becomes fully uniform. Let the finished spray rest in a sealed container for several hours so the ingredients fully integrate, then use it on hard surfaces after testing compatibility on a small hidden area first.

Date:

today

Author:

Марія, Бердянськ

Цей магазин став моїм незамінним помічником у створенні домашньої косметики. Тут я завжди можу знайти свіжі та якісні інгредієнти за вигідними цінами. Рекомендую всім!

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Юна, Любляна

Задоволена покупкою, все прийшло швидко і в ідеальному стані.

Сергій, Бонн

Чудовий вибір ароматичних сумішей для сауни! Аромати наповнюють сауну свіжістю та бадьорістю.

INCI	Benzalkonium Chloride
pH	5.0-9.0
Other
Application	production of eye and ear drops, ointments, cleansing agents, production of cosmetics
Att brand	India
Color product	colorless to yellowish
Concentration	Recommended: 0.1%
Features	All information presented on the site is for reference only
Minimum count	1
Name	Benzalkonium chloride 50% 25 g
Packaging	container for transportation
Packing	25 grams
Solubility	mixes well with water and alcohols
Type	preservative
View	liquid
Valid until	11.2028