124-23-2

Basic information

• Product Name: hexadecyltrimethylammonium stearate
• Synonyms: Cetrimonium stearate; 1-Hexadecanaminium, N,N,N-trimethyl-, octadecanoate; 1-Hexadecanaminium, N,N,N-trimethyl-, octadecanoate (1:1); Hexadecyltrimethylammonium stearate; N,N,N-trimethylhexadecan-1-aminium octadecanoate
• CAS NO: 124-23-2
• Molecular Formula: C₁₈H₃₅O₂*C₁₉H₄₂N
• Molecular Weight: 568.0128
• EINECS: 204-691-1
• Mol File: 124-23-2.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: hexadecyltrimethylammonium stearate(CAS DataBase Reference)
• NIST Chemistry Reference: hexadecyltrimethylammonium stearate(124-23-2)
• EPA Substance Registry System: hexadecyltrimethylammonium stearate(124-23-2)

Safety Data

• Hazardous Substances Data: 124-23-2(Hazardous Substances Data)

Usage

General Description

Hexadecyltrimethylammonium stearate is a chemical compound that belongs to the class of quaternary ammonium compounds, commonly used as a surfactant and emulsifying agent. It is derived from stearic acid, a saturated fatty acid, and it is composed of a positively charged nitrogen atom attached to a long hydrophobic tail. This structure allows hexadecyltrimethylammonium stearate to reduce the surface tension of liquids and aid in the dispersion of non-polar substances in water. It is often utilized in the formulation of personal care products, such as shampoos and conditioners, as well as in industrial applications, including in the production of emulsions and as a corrosion inhibitor in metalworking fluids. However, it is important to handle this chemical with caution, as it can irritate the skin and eyes and may cause respiratory irritation if inhaled.

Upstream product

• 555-43-1 glycerol tristearate 
• 505-86-2 cetyltrimethylammonium hydroxide 
• 57-09-0 cetyltrimethylammonim bromide 

Relevant articles and documents

Ammonium ionic liquids with anions of natural origin

This study was focused on presenting a new class of ionic liquids (ILs) with anions of natural origin. The salts were obtained by hydrolysis of defined triglycerides or edible vegetable oils (coconut oil and canola oil) by quaternary ammonium hydroxides. The basic physicochemical properties of the obtained products were studied and their microbial and deterrent activity was determined. Additionally, their susceptibility to biodegradation was evaluated. The described synthesis pathway utilizes vegetable oils and quaternary ammonium hydroxides as reactants in order to obtain ILs with anions of natural origin, which are characterized by specific biological activity. The majority of the prepared ILs exhibited excellent feeding deterrent properties and could be classified as readily biodegradable compounds. The employed method is characterized by low cost of substrates, high yields and high purity of the obtained products. It might potentially find application as a tool to synthesize environmentally friendly ILs with attractive properties for a wide range of applications.