Didecyl(dimethyl)azanium chloride

Didecyl(dimethyl)azanium chloride is a quaternary ammonium compound with the molecular formula C22H48ClN and CAS number 7173-51-5. This cationic surfactant has a molecular weight of 362.1 g/mol and belongs to the family of alkyl dimethyl benzyl ammonium chlorides. It is classified as a corrosive substance (Skin Corr. 1B) and acute toxicity category 4, requiring careful handling due to its hazardous properties.

Didecyl(dimethyl)azanium chloride typically appears as a white to off-white crystalline powder or waxy solid at room temperature. It exhibits excellent water solubility due to its ionic nature and surfactant properties. The compound has low volatility and is stable under normal conditions. Its amphiphilic structure, containing both hydrophilic quaternary ammonium head and hydrophobic alkyl chains, gives it strong surface-active properties and antimicrobial effectiveness.

Didecyl(dimethyl)azanium chloride serves primarily as a biocide and disinfectant in various industrial applications. It is commonly used in water treatment systems, cooling towers, and industrial cleaning formulations due to its antimicrobial properties. The compound also functions as a surfactant in specialized formulations and finds application in oil field chemicals, textile processing, and institutional cleaning products where both antimicrobial activity and surface tension reduction are required.

Didecyl(dimethyl)azanium chloride requires careful handling due to its corrosive nature and acute toxicity. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation in work areas and avoid direct skin and eye contact. Use proper engineering controls such as fume hoods when handling larger quantities. Train personnel on proper handling procedures and emergency response protocols before use.

Didecyl(dimethyl)azanium chloride should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed and use corrosion-resistant materials for storage vessels. Store separately from incompatible materials such as strong oxidizers, acids, and bases. Maintain storage temperatures below 25°C to prevent degradation. Ensure storage areas have appropriate spill containment measures and emergency shower/eyewash facilities nearby.

Didecyl(dimethyl)azanium chloride contact requires immediate action due to its corrosive properties. For skin contact, immediately remove contaminated clothing and flush affected area with plenty of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention.

Didecyl(dimethyl)azanium chloride disposal must comply with local and national hazardous waste regulations. The compound cannot be disposed of in regular municipal waste due to its corrosive and toxic properties. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be neutralized and treated according to local wastewater regulations, but always consult with environmental authorities before disposal. Maintain proper documentation for all disposal activities.

Didecyl(dimethyl)azanium chloride is classified as ADR Class 8 (corrosive substances) Packing Group II for transport purposes. It requires appropriate UN-specification packaging and proper hazard labeling including corrosive pictograms. Transport vehicles must carry appropriate emergency response information and spill cleanup materials. Drivers need ADR certification for dangerous goods transport. Ensure compliance with international transport regulations (ADR/RID for road/rail, IMDG for sea, IATA for air transport).

Didecyl(dimethyl)azanium chloride is subject to various European chemical regulations including REACH registration requirements and CLP classification and labeling obligations. It is not currently listed as a Substance of Very High Concern (SVHC). The compound may be subject to biocidal product regulations (BPR) when used as an active substance in biocidal products. Users must comply with occupational exposure limits and workplace safety regulations in their respective countries.

Didecyl(dimethyl)azanium chloride is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this quaternary ammonium compound to industrial customers across Europe with proper documentation including safety data sheets and certificates of analysis. As a professional chemical distributor, OYSI ensures compliance with European regulations and provides technical support for safe handling and application guidance to qualified industrial users.