Benzalkonii chloridum
CAS: 8001-54-5
Category: Surfactants
| Purity | Pharmaceutical Grade (USP/NF, EP, JP), Hospital Grade (concentrated disinfectant), Industrial Grade |
| Molecular Formula | C22H40ClN |
| Molecular Weight | 354 |
| Appearance | White to off-white or pale yellow powder, gelatinous mass, or clear to pale yellow solution (50% aqueous solution common) |
| Packaging | 500mL/1L/5L/10L/20L/25L/plastic bottle or HDPE drum (liquid); 25kg/50kg/fiber drum or plastic drum (solid); 1kg/5kg/plastic bottle for laboratory use; bulk IBC tote (1000L) |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR, ¹H NMR, or HPLC (ion-pair); Assay (total quaternary ammonium content) — Two-phase titration (Hyamine method) or potentiometric titration; Alkyl chain distribution — GC (after derivatization) or HPLC-MS; pH (1% solution) — Potentiometry; Water content — Karl Fischer titration (for solid or concentrated solution); Ash content — Muffle furnace; Free amine content — Titration; Heavy metals — ICP-MS; Benzyl chloride residue — GC; Color — APHA or Gardner color scale; Density — Hydrometer (for solutions); Refractive index — Refractometry (for solutions); Microbial limits — Plate count method (for pharmaceutical grade); Preservative efficacy test — USP/EP challenge test. |
| Storage Notes | Stored in a tightly sealed, light-protected container in a cool, dry, well-ventilated area, protected from moisture and direct sunlight; away from strong oxidizers, strong acids, anionic surfactants, and heat sources; do not freeze (aqueous solutions); store at room temperature (15–30°C); avoid contact with metals (may corrode some metals, especially aluminum and copper). |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a disinfectant, antiseptic, preservative, and surfactant; in healthcare for skin antisepsis (pre-injection, wound cleaning), instrument sterilization, and surface disinfection; as a preservative in ophthalmic solutions (eye drops), nasal sprays, and multi-dose vials; in personal care products (hand sanitizers, wet wipes, shampoos, conditioners) as a biocide and conditioning agent; in industrial applications as a phase transfer catalyst, corrosion inhibitor, and algicide in water treatment; also used in food processing (sanitizing equipment) and agriculture (greenhouse sanitation).