Quaternary Ammonium Compounds, Benzylbis(Hydrogenated Tallow Alkyl)Methyl, Chlorides (CAS 61789-73-9): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
CAS No.: 61789-73-9
Chemical Name: Benzylbis(hydrogenated tallow alkyl)methyl ammonium chloride
Molecular Formula: CnH2n+1(CH2CH2)N+Cl− (n=16-18)
Appearance: Pale yellow to amber viscous liquid
Solubility: Dispersible in water, soluble in polar organic solvents
Active Content: 70-80%
pH (1% solution): 5.0-7.5
Comparative Analysis
| Parameter | CAS 61789-73-9 | DDAC (CAS 7173-51-5) | BAC (CAS 8001-54-5) |
|---|---|---|---|
| Biodegradability | Moderate | Low | Poor |
| Surface Activity (mN/m) | 28-32 | 35-40 | 40-45 |
| MIC against E. coli (ppm) | 50-100 | 200-300 | 150-250 |
2. Key Applications & Uses
Primary Functional Roles:
- Industrial Biocide: EPA-registered for cooling water systems and paper mill preservation
- Textile Softener: Provides durable cationic softening effect (0.5-2% owf)
- Oilfield Chemical: Clay stabilizer in fracking fluids at 0.1-0.5% concentration
- Corrosion Inhibitor: Reduces carbon steel corrosion rate by 85% at 25ppm
3. Performance Comparison with Alternatives
| Feature | CAS 61789-73-9 | Alkyl Dimethyl Benzyl Ammonium Chloride |
|---|---|---|
| Hard Water Tolerance | Stable up to 500ppm CaCO3 | Precipitates above 200ppm |
| Foam Generation | Low foam (Ross-Miles: 50mm) | High foam (150mm+) |
4. Industry Use Cases
Water Treatment
Dosage: 50-200ppm in cooling towers shows 99.9% microbial reduction within 4 hours contact time.
Agriculture
0.1% solution achieves 95% disinfection efficacy against avian influenza virus on poultry equipment.
5. Client Success Stories
Case 1: Petrochemical Manufacturer (Qatar)
Challenge: Microbial-induced corrosion in pipelines (3mm/year loss rate)
Solution: 100ppm continuous injection in injection water
Result: Corrosion rate reduced to 0.4mm/year, saving $1.2M/yr in maintenance
Case 2: Hospital Network (Germany)
Challenge: MRSA contamination in ICU surfaces
Solution: 0.5% disinfectant fogging twice daily
Result: 92% reduction in pathogen counts within 30 days
6. Request Customized Solutions
Our technical team provides formulation support and regulatory documentation:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, COA, or technical dossier:
- Custom concentration adjustments (50-95% active)
- ISO 9001/14001 certified production
- Global shipping compliance (REACH, TSCA, K-REACH)



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