Dihexadecyl Dimethyl Ammonium Chloride (CAS 1812-53-9): Comprehensive User Guide
Table of Contents
1. Product Overview and Parameter Comparison
Dihexadecyl Dimethyl Ammonium Chloride (CAS 1812-53-9) is a quaternary ammonium compound with dual hydrophobic chains, widely recognized for its superior antimicrobial properties.
Parameter | Specification | Benzalkonium Chloride | DDAC (Didecyl Dimethyl Ammonium Chloride) |
---|---|---|---|
Molecular Formula | C34H72ClN | C12-C16 Alkyl Derivatives | C22H48ClN |
Activity | ≥95% | 80-85% | ≥90% |
pH Stability | 2-12 | 4-10 | 3-11 |
* Comparative data shows enhanced biofilm penetration capability compared to mono-chain variants.
2. Detailed Applications and Uses
Key Industrial Applications:
- Water Treatment: 50-200ppm concentration for legionella control in cooling towers
- Agricultural Disinfection: 0.1-0.5% solutions for equipment sanitization
- Surface Sanitizers: 0.2-2.0% in hard surface cleaners (EPA-registered formulations)
Mechanism of Action:
Disrupts microbial cell membranes through cationic charge interaction, effective against Gram-positive (105 CFU reduction in 5min) and Gram-negative bacteria.
3. Step-by-Step Usage Guidelines
Cooling Water Treatment Protocol:
- Pre-flush system to remove organic debris
- Dose 150ppm active component
- Maintain pH 7.5-8.5 for optimal stability
- Monitor residual weekly using HPLC (retention time: 8.2min)
4. Real-World Case Studies
Case 1: Petrochemical Plant Biofilm Elimination
Client: Southeast Asia Refinery (Capacity: 250,000 bbl/day)
- Challenge: Persistent Pseudomonas contamination
- Solution: 200ppm shock treatment + 50ppm maintenance
- Result: 99.97% pathogen reduction, extending heat exchanger lifespan by 18 months
Case 2: Food Processing Facility Sanitation
Client: EU-Based Meat Packer (FSSC 22000 Certified)
- Challenge: Listeria monocytogenes contamination
- Solution: 0.4% foam application with 10min contact time
- Result: Passed EU 2073/2005 microbiological criteria for 22 consecutive months
5. Contact for Custom Solutions
Optimize your microbial control strategies with our technical support team:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Request formulation assistance, regulatory documentation (REACH, NSF), or application-specific dosing calculators.