Dioctyl Dimethyl Ammonium Chloride (D821) CAS number: 5538-94-3

Chemical name: Dioctyl Dimethyl Ammonium Chloride (DODAC)

Other name: Bis(octyl)dimethylammonium chloride Di-n-octyl dimethyl ammonium chloride
Molecular formula: C18H40ClN
Molecular weight: 305.45g/mol

CAS number: 5538-94-3

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CAS NO:
5538-94-3

Product Description

>> Product Introduce

Dioctyl dimethyl ammonium chloride (DODAC), also known as dioctyldimethylammonium chloride, n-dioctyldimethylammonium chloride, and dioctyl dimethyl ammonium chloride (spaced form), is a cationic quaternary ammonium salt surfactant with CAS number 5538-94-3. It features strong bactericidal activity, good stability in acidic conditions, and high adsorption on negatively charged surfaces, widely used in disinfection, water treatment, and industrial cleaning fields.

>> Main Uses

Mainly used as broad-spectrum disinfectant in public health, algaecide in cooling water systems, preservative in metalworking fluids, and sanitizer in food processing facilities suitable for scenarios like hospital floor disinfection, cooling tower biofouling control, and equipment surface sanitization.

>> Technical Specifications

Items	Prescription
Active Matter %	48-52
Appearance 25℃	Colorless or pale yellow liquid, slightly soluble in water, soluble in ethanol
Concentration	40%/50%/70%/80%
Free amine +HCL amine <%	2
PH(1% aqueous solution)	6.0～9.0
(APHA) <	100

>> Package and Storage Conditions

Packaged in lBC tanks or blue plastic drums.
Store in a sealed container in a cool, dry place.
Keep away from fire sources and oxidants.
Avoid high temperatures and humid environments to prevent caking due tomoisture absorption.