Benzalkonium Chloride (BKC / BZK, CAS 8001-54-5 / 63449-41-2) is a cationic quaternary ammonium biocide with 50% 80% purity, colorless to pale yellow liquid. It features broad-spectrum bactericidal activity, low irritation, good water solubility, widely used for disinfection, preservative, water treatment and algae control etc. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
CAS No.: 8001-54-5 / 63449-41-2
Name: Benzalkonium Chloride
Synonym: Alkyldimethylbenzylammonium chloride, BKC, BZK, ADBAC
EC No.: 264-151-6
General Formula: C₆H₅CH₂N(CH₃)₂RCl (R=C₈–C₁₈ alkyl)
MDL: MFCD00145757
Chemphysical Properties
Appearance: Colorless to light yellow clear liquid
Density (20℃): 0.97–0.99 g/ml
pH (10% aqueous): 6.0–8.0
Solubility: Fully miscible with water and lower alcohols
Stability: Stable in neutral & weak alkaline conditions; incompatible with anionic surfactants & soap
Quality Specification (50% 80% solution, common grade)
| Item | 50% Solution | 80% Solution |
|---|---|---|
| Active substance content | 50.0 ±1.0 % | 80.0 ±1.0 % |
| Color (APHA) | 100 max | 150 max |
| Free amine | 2.0 % max | 2.5 % max |
| pH (10% aqueous solution) | 6.0–8.0 | 6.0–8.0 |
| Water insoluble matter | 0.1% max | 0.1% max |
Use & Application
Healthcare & hygiene: Disinfectant for skin, surfaces, medical instruments; preservative for eye drops.
Daily chemicals: Bactericide for hand sanitizer, wet wipes, mouthwash and cosmetic preservation.
Water treatment: Algaecide and slime remover for circulating cooling water.
Food & textile: Sanitizer for food contact equipment; mildew inhibitor, antistatic agent in textiles.
Packing
200kg HDPE drum / IBC tank; 25kg plastic drum for small order.
Delivery & Storage
Seal tightly, store in cool, ventilated warehouse. Keep separate from anionic surfactants, oxidants and food.
UN 2928, hazard class 8 corrosive.
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