Benzalkonium chloride
Benzalkonium chloride (CAS 63449-41-2) is a quaternary ammonium compound with the linear formula C6H5CH2N(CH3)2RCl (R=C8H17 to C18H37). It serves as a potent biocide and surfactant. Commonly supplied as an aqueous solution, it is widely utilized in disinfectants, antiseptics, and as a preservative in various industrial and consumer products due to its antimicrobial properties.
- IUPAC
- Alkylbenzyldimethylammonium chloride,Alkyldimethylbenzylammonium chloride
Disinfectants and Antiseptics
Benzalkonium chloride is a key active ingredient in many surface disinfectants, hand sanitizers, and antiseptic wipes, effectively killing bacteria, viruses, and fungi.
Preservative
Its antimicrobial action makes it a suitable preservative in pharmaceutical formulations, eye drops, and cosmetic products to prevent microbial contamination.
Phase Transfer Catalyst
In organic synthesis, Benzalkonium chloride can function as a phase transfer catalyst, facilitating reactions between reagents in immiscible phases.
Industrial Biocide
It is employed in industrial water treatment, cooling towers, and in the paper and textile industries to control microbial growth and prevent biofouling.
| Linear formula | C6H5CH2N(CH3)2RCl (R=C8H17 to C18H37) |
|---|---|
| Assay | 95-105% |
| Concentration | ~50% in H2O |
| Impurities tested | amine and amine salt, complies≤0.05% impurity C : benzylchloride (HPLC)≤0.1% sulfated ash≤0.15% impurity B : benzaldehyde (HPLC)≤0.5% impurity A : benzyl alcohol (HPLC) |
| Suitability | complies for acidity or alkalinity |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2923 8/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C,N |
| Risk statements (R) | 21/22-34-50 |
| Safety statements (S) | 36/37/39-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Benzalkonium chloride used for?
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Benzalkonium chloride is primarily used as a disinfectant, antiseptic, preservative in pharmaceuticals and cosmetics, and as a phase transfer catalyst in chemical synthesis.
What is the CAS number and formula for Benzalkonium chloride?
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The CAS number is 63449-41-2, and the linear formula is C6H5CH2N(CH3)2RCl (R=C8H17 to C18H37).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzalkonium chloride with an assay of 95-105%, typically as an approximately 50% aqueous solution. We do not represent this product as USP, BP, or EP grade.
How should Benzalkonium chloride be handled safely?
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Benzalkonium chloride is corrosive and harmful if swallowed or inhaled. Handle with appropriate personal protective equipment, including gloves, eyeshields, and respiratory protection. Ensure adequate ventilation and avoid release into the environment.
Can Tech Serve Solutions export Benzalkonium chloride?
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Yes, Tech Serve Solutions is a global supplier and exporter of chemicals, including Benzalkonium chloride.
How can I request a sample or quote for Benzalkonium chloride?
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Please contact our sales team via the website to request a sample or obtain a quotation for Benzalkonium chloride.
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