Benzalkonium Chloride (CAS 85409-22-9): Technical Guide & Industry Applications
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Benzalkonium Chloride | Common Alternatives |
|---|---|---|
| CAS Number | 85409-22-9 | 8001-54-5 (Similar compound) |
| Molecular Formula | C21H39ClN (Typical component) C22H40ClN (Mixed alkyl chains) |
Varies by formulation |
| Appearance | White to yellowish amorphous powder/gel | Clear liquids (e.g., ethanol-based) |
| Solubility | Water: 100 mg/mL Ethanol: Fully miscible Ether: Insoluble |
Variable solvent compatibility |
| Antimicrobial Efficacy (log reduction) | 4-6 log against Gram± bacteria | 2-4 log (Phenolic derivatives) |
2. Functional Applications
Healthcare Sector
- Preoperative disinfection: 0.1% aqueous solution for skin antisepsis
- Wound care: 0.01% concentration for irrigation
- Medical device sterilization: 0.1% solution with sodium nitrite corrosion inhibitor
Industrial Uses
- Water treatment: 50-200 ppm for biofilm control
- Textile processing: 0.2-0.5% as antimicrobial finish
- Oilfield chemicals: Corrosion inhibition at 100-500 ppm
3. Implementation Scenarios
Pharmaceutical Manufacturing
Used in ophthalmic solutions at 0.004-0.02% concentration with strict pH control (6.5-7.5) to maintain stability.
Cosmetic Preservation
Effective at 0.05-0.1% in creams/lotions, requiring compatibility testing with anionic surfactants.
4. Client Case Studies
Case 1: Municipal Water Treatment
Client: East China Water Authority
Challenge: Legionella control in cooling towers
Solution: 150 ppm intermittent dosing protocol
Outcome: 98% pathogen reduction, 30% lower chemical costs
Case 2: Medical Device Producer
Client: Shanghai MedEquip Co.
Challenge: Endoscope disinfection cycle optimization
Solution: 0.15% stabilized formulation
Outcome: 45% faster processing, ISO 15883 compliance
5. Request Quotation
Contact our technical team for formulation support and bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
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