Decyldimethylbenzylammonium chloride
CAS 965-32-2
EC 213-521-5
Formula C19H34N.Cl
MW 311.93 g/mol
Surfactants Personal Care & CosmeticsWater TreatmentFood & NutritionPharmaceuticals & Healthcare Preservation & BiocideCleaning & Degreasing
Description
Decyldimethylbenzylammonium chloride (CAS 965-32-2, EC 213-521-5) is a quaternary ammonium compound belonging to the benzalkonium chloride family, distinguished by its C10 alkyl chain length. It is commercially available under the trade name Querton 10B-Cl and carries the molecular formula C19H34N.Cl.
In water treatment, it disrupts microbial cell membranes at low concentrations, providing effective control of bacteria and algae in cooling towers and process water systems. In personal care and pharmaceutical formulations, it functions as a preservative, inhibiting microbial growth in rinse-off products and topical preparations through the same cationic membrane-disruption mechanism.
This compound is supplied as a solid and is subject to REACH registration requirements within the EU. Procurement teams should confirm supplier documentation including Safety Data Sheets and certificates of analysis. Buyers operating in regulated sectors such as pharmaceuticals or food contact applications should verify compliance with applicable regional standards prior to use.
In water treatment, it disrupts microbial cell membranes at low concentrations, providing effective control of bacteria and algae in cooling towers and process water systems. In personal care and pharmaceutical formulations, it functions as a preservative, inhibiting microbial growth in rinse-off products and topical preparations through the same cationic membrane-disruption mechanism.
This compound is supplied as a solid and is subject to REACH registration requirements within the EU. Procurement teams should confirm supplier documentation including Safety Data Sheets and certificates of analysis. Buyers operating in regulated sectors such as pharmaceuticals or food contact applications should verify compliance with applicable regional standards prior to use.
Physical Properties
| Melting Point | 50-60 °C |
| Color | White to Off-White |
| Form | Solid |
Trade & Regulatory
| Storage Class | 8A - Combustible corrosive hazardous materials |
| WGK (Germany) | 3 |
Other Names
Querton 10B-ClBenzyldecyldimethylaminium·chlorideDecyldimethylbenzylammoniumchlorideDecyldimethylbenzylaminium·chlorideBenzyldimethyldecylaminium·chlorideDecylbenzyldimethylammonium chlorideBenzyldecyldimethylammonium ChlorideBenzyldimethyldecylammonium chlorideDimethylbenzyldecylammonium chloride
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