Benzenemethanaminium, N,N-Dimethyl-N-octadecyl-, chloride (1:1)

This compound is a quaternary ammonium salt widely known for its strong cationic surfactant and conditioning properties. It is primarily used in hair conditioners, fabric softeners, and disinfectant formulations due to its ability to impart softness, reduce static, and provide antimicrobial benefits. Its long hydrophobic chain enhances conditioning performance, while the quaternary ammonium group ensures strong substantivity to hair, fabric, and skin surfaces.

CAS:

122-18-9

Formula:

C₂₆H₄₈ClN

Molar Weight

410.12 g/mol

Melting Point

~50–55 °C

Density

~0.94 – 0.96 g/cm³

Forms

White to off-white waxy solid or flakes

Odor

Faint characteristic or mild ammonium odor

Key applications

  • Functions as an antistatic agent in hair conditioners.
  • Provides softening in fabric care products.
  • Acts as antimicrobial in disinfectant formulations.
  • Improves hair manageability and smoothness.
  • Used in skin creams as conditioning agent.

Industries

  • Personal Care & Cosmetics
  • Textile & Fabric Care
  • Household Cleaning
  • Industrial Chemicals
  • Pharmaceutical Topicals

Stearyl dimethyl benzyl ammonium chloride, Benzalkonium C18, Octadecyl dimethyl benzyl ammonium chloride, Quaternary ammonium chloride
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