Acids & Salts Available to Source

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

CAS 122-18-9 · MF C25H46ClN · MW 396.1 g/mol

This compound is a quaternary ammonium salt widely known for its strong cationic surfactant and conditioning properties. It is primarily used in hair

SDS / TDS Download
CAS Number
122-18-9
Molecular Formula
C25H46ClN
Molecular Weight
396.1 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
physical_description
Solid; [Merck Index] White powder; [Alfa Aesar MSDS]
GHS / SDS Safety Danger
Acute Toxic Environmental Hazard Irritant Health Hazard Corrosive
  • H400 (96.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
  • H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H314 (96%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H318 (18.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
  • H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H302 (98.4%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H312 (77%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H410 (17.5%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
CAS Number122-18-9
IUPAC Namebenzyl-hexadecyl-dimethylazanium chloride
InChI KeySXPWTBGAZSPLHA-UHFFFAOYSA-M
PubChem CID 31202
INCI NameCETALKONIUM CHLORIDE
Synonyms & Trade Names
Cetalkonium chloride Benzyldimethylhexadecylammonium chloride Cetyl zephiran Banicol Acinol Cdbac Bicetonium Zettyn Cetyldimethylbenzylammonium chloride Benzaletas Tetraseptan Baktonium Cetylon Cetol Dmcbac
Full Description

This compound is a quaternary ammonium salt widely known for its strong cationic surfactant and conditioning properties. It is primarily used in hair