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Benzethonium Chloride CAS 121-54-0 - High-Quality White Powder from China Suppliers and Factory
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Chemical Name: Benzethonium Chloride
CAS No.: 121-54-0
Molecular Formula: C27H42ClNO2
Molecular Structure:
Molecular Weight: 448.08
Appearance: White fine powder or crystals
Sample: Free samples available upon request
Melting Point: 162-164 °C (lit.)
Boiling Point: 162 °C [at 101 325 Pa]
Density: 0.998 g/mL at 20 °C
Looking for high-quality Benzethonium Chloride? Our factory in China is a leading supplier of premium chemicals, including this versatile compound. With a consistent commitment to quality, we provide products that meet stringent industry standards. Request your free sample today and discover why we are preferred by professionals around the globe!
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Typical Properties
| Item | Specifications |
| Appearance | White fine powder or crystals |
| Identification | A white precipitate, which is insoluble in 2N nitric acid but soluble in 6N ammonium hydroxide |
| Assay | 97~103% |
| Melting range | 158~163℃ |
| Loss on drying | 0.5% max |
| PH | 5~6.5 |
| Residue on ignition | 0.1% max |
Benzethonium Chloride is a broad-spectrum, highly efficient, low-irritation, and stable quaternary ammonium cationic surfactant. Combining the triple functions of germicidal, preservative, and surfactant properties, it is widely used in pharmaceuticals, daily chemicals, disinfection, and personal care, serving as a core raw material for high-end disinfection and preservation systems.
Product Advantages
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Broad-Spectrum & High Efficiency
Effective against Gram-positive/negative bacteria, fungi, and enveloped viruses, providing long-lasting bacteriostasis for 4–8 hours.
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Low Irritation & High Safety
Significantly less irritating to the skin than Benzalkonium Chloride; mucosal-friendly and compliant with pharmacopoeia and cosmetic standards.
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Excellent Stability
Strong formulation compatibility, resistant to decomposition, long shelf life, and suitable for various dosage forms.
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Multifunctional
Combines germicidal, preservative, and surfactant properties in one, simplifying formulations and reducing costs.
Application Areas
💊 1. Medicine & Healthcare
- Disinfection: Skin and mucous membrane disinfectants, surgical instrument disinfection, wound cleansing solutions.
- Preservation & Sterilization: Preservatives and bactericides for eye drops, oral rinses (mouthwashes), and feminine hygiene washes.
- Antibacterial Treatment: Used for antibacterial treatment of medical wipes, tampons, and dressings.
🧴 2. Daily Chemicals & Cosmetics (Core Application)
- Preservative Standards: ≤0.1% for leave-on products, ≤0.2% for rinse-off products (according to Chinese regulations).
- Hygiene Products: Facial cleansers, body washes, hand soaps, wet wipes, mouthwashes, and toothpaste.
- Skincare & Haircare: Preservation and antibacterial protection for lotions, creams, serums, and hair care products.
🏠 3. Personal Care & Household
- Personal Care: Baby wipes, feminine care washes, pet cleaning and disinfection.
- Home Care: Household surface disinfection, fabric antimicrobial treatment, and air fresheners.
🏭 4. Industrial & Others
- Industrial Processing: Antimicrobial finishing for textile printing and dyeing, leather preservation, and water treatment bacteriostasis.
- Food & Raw Materials: Cleaning of food processing equipment and preservation of cosmetic raw materials.
Package
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Packaging Options
1kg / aluminum foil bag
25kg / cardboard drum
25kg / cardboard drum
Storage
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Storage Conditions
Store in a cool, dry, and dark place, sealed
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Frequently Asked Questions
Q What is Benzethonium Chloride and what are its main functions?
Benzethonium Chloride is a quaternary ammonium cationic surfactant that combines three key functions: germicidal, preservative, and surfactant activity. It is widely used in pharmaceuticals, personal care, and industrial applications as a core ingredient in disinfection and preservation systems.
Q How does Benzethonium Chloride compare to Benzalkonium Chloride in terms of skin safety?
Benzethonium Chloride is significantly less irritating to the skin and mucous membranes compared to Benzalkonium Chloride. It is mucosal-friendly and meets both pharmacopoeia and cosmetic safety standards, making it a preferred choice for sensitive-skin formulations.
Q What types of microorganisms does Benzethonium Chloride work against?
It is effective against a broad spectrum of microorganisms including Gram-positive bacteria, Gram-negative bacteria, fungi, and enveloped viruses. Its bacteriostatic effect can last 4–8 hours, providing reliable long-lasting antimicrobial protection.
Q What are the recommended usage concentrations in cosmetic products?
According to Chinese cosmetic regulations, the recommended concentration is ≤0.1% for leave-on products (such as lotions and creams) and ≤0.2% for rinse-off products (such as shampoos and body washes). Always refer to local regulatory requirements for your specific market.
Q How should Benzethonium Chloride be stored to maintain its quality?
It should be stored in a cool, dry, and dark environment in a tightly sealed container. Proper storage conditions help maintain its chemical stability, prevent moisture absorption, and extend its shelf life.
Q What packaging options are available for Benzethonium Chloride?
Benzethonium Chloride is available in two packaging formats: 1kg aluminum foil bags for smaller-scale or laboratory use, and 25kg cardboard drums for bulk industrial or commercial purchasing. Custom packaging may be available upon request.