Quaternary Ammonium Compounds, Di-C14-18-alkyldimethyl, Chlorides

Chemical Formula:

[C₁₄–C₁₈H₂₉–₃₇N(CH₃)₂]⁺Cl⁻

CAS Number:

68002-59-5

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Quaternary Ammonium Compounds, Di-C14-18-alkyldimethyl, Chlorides

Chemical Formula:

[C₁₄–C₁₈H₂₉–₃₇N(CH₃)₂]⁺Cl⁻

CAS Number:

68002-59-5

Quaternary ammonium compounds with C14–C18 dialkyldimethyl chains are powerful cationic surfactants used as disinfectants, sanitizers, and preservatives. They exhibit strong antimicrobial and antiviral activity by disrupting microbial cell membranes. Due to their broad-spectrum efficacy, they are widely used in household cleaners, industrial sanitizers, personal care products, and water treatment chemicals.

Characteristics

Molar Weight

Variable (approx. 400–500 g/mol depending on chain length distribution)

Boiling Point

Decomposes before boiling

Solubility

Soluble in water and alcohol; insoluble in hydrocarbons

Density

Approx. 0.9–1.0 g/cm³ (at 20 °C)

Forms

White to yellowish waxy solid, paste, or liquid concentrate

Odor

Mild, characteristic, amine-like odor

USES AND APPLICATIONS

Key applications

Broad-spectrum disinfectant and sanitizer in healthcare, household, and industrial applications.
Preservative in cosmetics, personal care, and cleaning products.
Biocidal active in water treatment, swimming pools, and cooling towers.
Used in fabric softeners and antistatic agents due to cationic surfactant properties.
Effective against bacteria, fungi, and enveloped viruses.

Industries

Household Cleaning
Healthcare & Disinfection
Water Treatment
Cosmetics & Personal Care
Textiles & Fabric Care

Synonyms

Dialkyldimethylammonium chloride, Didecyldimethylammonium chloride homologues, Quat disinfectant, DDAC (long-chain C14–C18)

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