Table of Contents
- Product Overview
- Specification Comparison
- Detailed Applications
- Usage Guidelines
- Case Studies
- Contact for Technical Consultation
Tetradecyldimethylbenzylammonium Chloride (CAS 139-08-2)
Product Overview
Chemical Name: Tetradecyldimethylbenzylammonium chloride
CAS Number: 139-08-2
Molecular Formula: C23H42ClN
Appearance: White to pale yellow crystalline powder
Purity: ≥98% (GC)
Solubility: Soluble in water, ethanol, and acetone
Specification Comparison
| Parameter | TDMBAC | Benzalkonium Chloride | CTAB |
|---|---|---|---|
| Chain Length | C14 | C12-C16 | C16 |
| Antimicrobial Efficiency | High (Gram+/Gram-) | Moderate | Selective |
| Foaming Properties | Low | High | Medium |
Detailed Applications
1. Industrial Biocide
Effective in cooling water systems at 50-200ppm concentration with 99.9% bacterial reduction within 30 minutes contact time.
2. Pharmaceutical Preservative
USP-NF compliant formulation additive for ophthalmic solutions (0.004-0.02% w/v).
3. Surface Disinfection
EPA-registered solutions (0.1-0.5%) eliminate SARS-CoV-2 within 2 minutes exposure.
Usage Guidelines
| Application | Concentration | Contact Time |
|---|---|---|
| Hard Surface Disinfection | 0.2-0.5% | 5-10 minutes |
| Textile Antimicrobial | 0.05-0.1% | 20-30 minutes immersion |
Case Studies
Case 1: Municipal Water Treatment
Client: East China Water Authority
Challenge: Legionella control in 500km pipeline network
Solution: 150ppm TDMBAC shock treatment monthly
Result: 72% reduction in bacterial counts, 18-month equipment lifespan extension
Case 2: Pharmaceutical Manufacturing
Client: Wuhan United Pharma Co., Ltd.
Challenge: Preservative efficacy in multidose injections
Solution: 0.015% w/v in sodium chloride solution
Result: Complied with USP <51> requirements for 24-month stability
Technical Consultation & Sample Request
For formulation assistance or material specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Request Formulation Guidance:
| Parameter | Specification Range |
|---|---|
| Working Concentration | 0.01% – 5% |
| pH Compatibility | 3.0 – 10.5 |
| Temperature Tolerance | 5°C – 80°C |



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