Surfactants - Cationic Available to Source

Stearyltrimethylammonium Chloride

NH4Cl / Sal Ammoniac
CAS 112-03-8 · MF C21H46ClN · MW 348.0 g/mol

A quaternary ammonium compound used as a surfactant and conditioning agent.

SDS / TDS Download
CAS Number
112-03-8
Molecular Formula
C21H46ClN
Molecular Weight
348.0 g/mol
Material Family
Surfactants - Cationic
Functional Roles
GHS / SDS Safety Danger
Environmental Hazard Irritant Acute Toxic Corrosive
  • H410 (78.7%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H311 (54.5%): Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H312 (19.8%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H302 (88.1%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H314 (79.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H318 (29.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H400 (71.6%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
Chemical Identity
CAS Number112-03-8
IUPAC Nametrimethyl(octadecyl)azanium chloride
InChI KeyVBIIFPGSPJYLRR-UHFFFAOYSA-M
PubChem CID 8155
INCI NameSTEARTRIMONIUM CHLORIDE
Synonyms & Trade Names
Trimethylstearylammonium chloride Stac Cation AB Aliquat 7 Stearyltrimethylammonium chloride Nissan cation AB Quaternium-10 Arquad 18 Stearyl trimethyl ammonium chloride Arquad 18-50 Monostearyl trimethyl ammonium chloride N,N,N-Trimethyl-1-octadecanaminium chloride CZ70647U92 trimethyl(octadecyl)azanium chloride RefChem:871332
Full Description

A quaternary ammonium compound used as a surfactant and conditioning agent.