Welcome to CD Formulation
Products
Benzalkonium Chloride
Product Details
Molecular Formula
C17H30ClN
Molecular Weight
283.88
Appearance
Semisolid
Grade
Pharmaceutical grade
Standard
USP/EP/JP
Description
Benzalkonium chloride is a cationic quaternary ammonium surfactant widely used in pharmaceutical and medical applications as a broad-spectrum antimicrobial agent and preservative. It is commonly included as a preservative in multi-dose topical formulations—such as eye drops, nasal sprays, and disinfectant solutions—to prevent microbial contamination. Additionally, it is employed as a surface disinfectant for medical instruments and clinical environments due to its rapid bactericidal and virucidal activity.
CAS Number
63449-41-2
Stability and Storage Conditions
Hygroscopic
Solubility
Chloroform (Slightly), Methanol (Slightly)
Storage
2-8°C
Boiling Point
100°C
Melting Point
-5°C
Density
0.989 g/cm3
Applications
Benzalkonium chloride is applied in the pharmaceutical field primarily as a broad‑spectrum antimicrobial preservative and disinfectant. Its key uses include: preserving multi‑dose formulations such as eye drops, nasal sprays, and topical antiseptics; disinfecting medical devices, surfaces, and skin before invasive procedures; and, in some cases, enhancing drug penetration in topical products.
Flash Point
>100°C
Color
Pale yellow
MDL number
MFCD00050250
Stability
Hygroscopic
Water Solubility
Miscible with water, methanol and acetone.
Vapor Pressure
130 mPa @ 20°C
pH
6-9
WGK Germany
3
RTECS
BO3151000
Toxicity
LD50 oral in mouse: 150mg/kg
F
3-9
Online Inquiry
Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
GET IN TOUCH
Enter your email here to subscribe.
Easy access to products and services you need from our library via powerful searching tools.