Benzethonium hydroxide solution
Benzethonium hydroxide solution (CAS: 498-77-1) has the molecular formula C27H43NO3 and a molecular weight of 429.64 g/mol. This cationic compound is supplied as a solution in methanol, typically around 1.0 M concentration. It serves as a valuable reagent in various laboratory applications, particularly where a strong organic base or a cationic detergent is required for research and development purposes.

Cationic Detergent
As a cationic detergent, Benzethonium hydroxide solution can be employed in biochemical research for cell lysis or protein solubilisation. Its positively charged head group interacts with negatively charged biological molecules.
Organic Synthesis Reagent
This compound can function as a strong organic base in various synthetic transformations. Its utility lies in deprotonation reactions or as a catalyst in organic chemistry research.
Laboratory Research
Utilised as a core bioreagent and research essential, Benzethonium hydroxide solution aids in diverse analytical procedures and experimental setups within chemical and biological laboratories.
| Molecular weight | 429.64 |
|---|---|
| Empirical formula | C27H43NO3 |
| Concentration | ~1.0 M in methanol (by HCl titration) |
| Storage temperature | 2-8°C |




Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H370Causes damage to organs
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 11 °C / 51.8 °F |
| Transport (UN / ADR) | UN 3286 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T |
| Risk statements (R) | 11-23/24/25-35-39/23/24/25 |
| Safety statements (S) | 16-26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | cationic |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Benzethonium hydroxide solution used for?
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Benzethonium hydroxide solution is used as a cationic detergent in biochemical research and as a strong organic base in organic synthesis. It is also a general laboratory research essential.
What is the CAS number and chemical formula for Benzethonium hydroxide solution?
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The CAS number is 498-77-1 and the chemical formula is C27H43NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzethonium hydroxide solution as a ~1.0 M solution in methanol, as determined by HCl titration. It is supplied for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Benzethonium hydroxide solution be handled safely?
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Benzethonium hydroxide solution is a Danger substance, highly flammable and toxic if swallowed, in contact with skin, or if inhaled. It causes severe skin burns and eye damage, and can cause damage to organs. Strict adherence to safety protocols, including the use of appropriate personal protective equipment such as gloves, goggles, and respiratory protection, is essential. Store in a cool, well-ventilated place away from ignition sources.
How is Benzethonium hydroxide solution packed and shipped?
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This product is packed in accordance with international shipping regulations for hazardous materials. Tech Serve Solutions exports chemicals globally, ensuring compliance with all relevant transport directives.
How can I request a sample or quote for Benzethonium hydroxide solution?
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To request a sample or a quote for Benzethonium hydroxide solution, please contact our sales team through the website or by phone, providing your specific requirements.
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