Dodecylpyridinium Chloride

Other Trading Names:

  • 1-dodecyl-pyridiniuchloride
  • Lauryl Pyridinium chloride

CAS Number: 104-74-5

HS Code: 29333999

Types of Packaging:

  • Regular package: 25kg fiber drum
  • Small package: 100g bottle
Inquiry right-arrow $100.00
Availability: Out of stock
Dodecylpyridinium Chloride




White to pearl powder




5.5% ~ 6.5%

Melting point




Chemical Description 

  • Quaternary ammonium compound with the molecular formula C17H30ClN.
  • Comprises a pyridinium ring attached to a dodecyl (12-carbon) alkyl chain.
  • Exists as a chloride salt, making it highly soluble in water.
  • The pyridinium ring provides aromatic stability and positive charge.
  • The dodecyl chain imparts hydrophobic properties, aiding in the interaction with lipid membranes.
  • Appears as a white to off-white crystalline powder or solid.
  • Has a high melting point and is stable under normal conditions.
  • Effective against a broad spectrum of microorganisms, including bacteria, fungi, and viruses.
  • Disrupts microbial cell membranes, leading to cell lysis and death.
  • Used in mouthwashes, toothpaste, and throat lozenges for its antimicrobial properties.
  • Included in shampoos, conditioners, and deodorants for preservation and antimicrobial efficacy.
  • Utilized as a preservative and in sanitizing food processing equipment.
  • Found in disinfectants, hand sanitizers, and antiseptic solutions.
  • Applied in disinfecting animal housing and equipment.
  • Sometimes used in crop protection as a fungicide or bactericide.
  • Employed as a biocide to control microbial growth in water systems.
  • Applied to fabrics to impart antimicrobial properties.
  • Used to control microbial contamination in drilling fluids.
  • Positively charged pyridinium group interacts with negatively charged microbial cell walls.
  • Hydrophobic dodecyl chain integrates into lipid membranes, disrupting integrity.
  • Requires careful handling due to its potential irritant properties.
  • Proper protective equipment should be used to avoid skin and eye contact.
  • Approved for use in various applications by relevant health and safety authorities.
  • Subject to regulations governing the use of antimicrobial agents.
  • Ongoing studies explore new applications and formulations to enhance efficacy and safety.
  • Efforts focus on minimizing environmental impact and developing sustainable production methods.
  • Biodegradability and environmental persistence are areas of concern.
  • Research is directed towards improving its ecological footprint.
  • Dodecylpyridinium chloride has a melting point ranging from 86.0 to 90.0°C and a moisture content of 5.5-6.5%.
  • It conforms to standards for acidity, solution clarity, and low heavy metal content (<0.002% Pb).
  • Used in precision surface treatment and other industrial applications.
  • It should be stored in a cool, dry warehouse away from oxidants, acids, fire, and heat.
  • Ongoing studies explore novel synthetic methodologies, including cascade reactions and flow chemistry systems to streamline processes and improve efficiency.
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Dodecylpyridinium Chloride