CAS Registry Number

CAS 112-02-7 — Hexadecyltrimethylammonium chloride (Cetyltrimethylammonium chloride)

Hexadecyltrimethylammonium chloride, commonly known as cetyltrimethylammonium chloride (CTAC), is a quaternary ammonium compound widely used as a cationic surfactant in fabric softeners, hair conditioners, and disinfectants for its emulsifying, antistatic, and antimicrobial properties. It is also employed in laboratory settings for DNA extraction and protein precipitation due to its ability to bind with nucleic acids. This chemical has a CAS number of 112-02-7, with the molecular formula CH3(CH2)15N(Cl)(CH3)3 and a molecular weight of 320.0. It is typically stored at ambient temperatures and carries a signal word of Danger, indicating hazardous properties. Molekula supplies hexadecyltrimethylammonium chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.