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Product Information


The Quat with unusual and exiting performance characteristics.

Lowest tendency to foam.

Broad spectrum of biocidal activity against both gram positive and gram negative organisms.

Algaestatic and algaecidal performance at economical use concentrations.

Toxicological and ecological documentation.



Dioctyl dimethyl ammonium chloride is composed of twin chain dimethyl ammonium chloride.

The dioctyl dimethyl structure provides a controlled foam biocide, exhibiting low, fast breaking foam with exceptional dynamic controlled foam performance. 

When used as an active ingredient in FIFRA1 registered formulations such as hard surface disinfectants, sanitizers and/or certain types of water treatment formulations, these products have been found to provide superior biotical action against a broad spectrum of microbial organisms such as: bacteria, fungi, viruses, and algae. 

This “third” generation quaternary ammonium compound delivers potent germicidal action in hard water and organic soil loads.


1. Active matter


Active Substance: dioctyldimethyl ammonium chloride

Structural formula

R CH3 Cl -N+R CH3 R = C8 H17

1.1 CAS No.: 5538-94-3

1.2 EINECS No.: 226-901-0

1.3 UN No.: 2920


2. Specifications

2.1 Appearance at 20°C clear liquid

2.2 Colour, Apha 100 max.

2.3 pH 1% aqueous solution 6.5 - 8.0

2.4 Assay (Titration, MW 312) 50.0 - 52.0 %

2.5 free Amine + Amine HCl 1.0 % max.

2.6 Ash 0.8 % max.

2.7 Water, KF 36.0 - 40.0 %

2.8 Ethanol 8.0 % min.


3. Properties

3.1 Odour aromatic

3.2 Density 0.9320 g/cm3

3.3 Viscosity (Brookfield, sp.1, 5 rpm, 20°C) 22 mPa⋅s

3.4 Average Molecular weight 312

3.5 Flash Point (Abel Pensky cc) 50°C

3.6 Surface tension (1% aqueous solution) 32 mN/m

3.7 Ionogenicity cationic

3.8 Freeze thaw stability good

3.9 Solubility soluble in water

3.10 Compatibility not compatible with anionics

3.11 Setting point < 5°C

3.12 pH 10% aqueous solution 6.5 - 9.0


4. Registrations

4.1. Europe European Inventory of Existing Chemical Substances (EINECS)

4.1.1 Switzerland BAG T No. 37 774 / Toxicity class : 3

4.1.2 France Specified in positive list for use in food industry.

4.2 U S A Toxic Substances Control Act (TSCA) Inventory

FDA 21 CFR 178.1010 approval

4.3 Japan Japanese Handbook of Chemical Substances (Miti)

4.4 Australia Australian Inventory of Chemical Substances (AICS)


5. Antimicrobial efficacy


The bactericidal efficacy has been tested and shown according to the following test procedures:

DGHM (Germany) -- AOAC (USA)


The algaecidal concentration of BARDAC-LF was shown to be 1- 5 ppm.


6. Other investigations

Information available upon request


7. Use areas

Disinfectant and disinfectant cleaner.

Agriculture applications, food and dairy industry.

Water treatment (swimming pools, cooling towers, etc).

Slimicide (paper industry).


8. Recommendations to formulate

Incompatible with anionic detergents.

Synergistic effects in combination with aldehydes and complexing agents (e.g. EDTA).


9. Analytical procedures

Titration (ISO 2871-2)


10. Storage

Product is supplied as follows:

Type: iron drum polyethylene drum IBC-container bulk

weight net: 30 kgs 190 kgs 850 kgs

It can be stored in the sealed original packaging over a period of two years.


11. Regulatory information

refer to MSDS


12. Toxicological information

refer to MSDS


13. Ecological and ecotoxicological information

refer to MSDS

The information contained herein is believed to be correct and corresponds to the latest state of scientific and technical knowledge.

However, no warranty is made, either expressed or implied, regarding its accuracy or the results to be obtained from the use of such

information. No statement is intended or should be construed as a recommendation to infringe any existing patent.





Dimethyldioctylammonium chloride

N,N-Dimethyl-N-octyloctan-1-aminium chloride

Bisoctyl dimethyl ammonium chloride

Dioctyldimonium chloride

Dioctyldimethylammonium chloride

Querton 28CL

Dioctyl dimethyl ammonium chloride

1-Octanaminium, N,N-dimethyl-N-octyl-, chloride

Dodigen 2617

Caswell No. 392H


Dimethyl dioctyl ammonium chloride

HOE-S 2617

EINECS 226-901-0

EPA Pesticide Chemical Code 069166

RC 5626


1-Octanaminium, N,N-dimethyl-N-octyl-, chloride (1:1)


N,N-Dimethyl-N-octyl-1-octanaminium chloride




Ammonium, dimethyldioctyl-, chloride




dioctyldimethyl ammonium chloride

Disoctyl Dimethyl Ammonium Chloride

Ammonium, dimethyldioctyl-, chloride (8CI)

Dimethyldioctylammonium chloride 



Bisoctyl dimethyl ammonium chloride




Dimethyldioctylammonium chloride


Bisoctyl dimethyl ammonium chloride

Disoctyl Dimethyl Ammonium Chloride

1-Octanaminium, N,N-dimethyl-N-octyl-, chloride

N,N-Dimethyl-N,N-dioctylammonium chloride

Dioctyl Dimethyl Ammonium Chloride--DODAC

Bardac LF

N,N-Dimethyl-N,N-dioctylammoniumchlorid (in 10% Ethanol/40% Water)

N,N-Dioctyl-N,N-dimethylammonium chloride

Bardac LF-70

N,N-Dimethyl-N,N-dioctylammoniumchlorid (in 10% Isopropanol/20% Water)

Bardac LF-80

N,N-dimethyl-N-octyl-1-octanaminium chloride

Octanaminium, N,N-dimethyl-N-octyl-, chloride




[EINECS(EC#)]: 226-901-0

[Molecular Formula]: C18H40ClN

[MDL Number]: MFCD01711139

[Molecular Weight]: 305.97

[MOL File]: 5538-94-3.mol

[Appearance]: Liquid

[Usage] : Bardac LF is a quaternary ammonium based antimicrobial used as a bacteriostat, disinfectant and/or a microbiocide.

Bardac LF is ideal for recirculating water systems where control of undesirable microbes without excessive foam is essential.


CAS No.5538-94-3

Chemical Name:Bisoctyl dimethyl ammonium chloride

SynonymsD821;Bardac(R) LF;Bardac(R) LF-70;Bardac(R) LF-80;Trospium Impurity 4 Chloride;Dimethyldioctylaminium·chloride;Dioctyldimethylaminium·chloride;DiMethyldioCLylaMMoniuM Chloride;Dimethyldioctylammonium chloride;dimethyl(dioctyl)azanium chloride



Bisoctyl dimethyl ammonium chloride Chemical Properties,Uses,Production

Chemical Properties



Bardac LF is a quaternary ammonium based antimicrobial used as a bacteriostat, disinfectant and/or a microbiocide. 



Safety Profile

A poison by ingestion. When heated to decomposition it emits toxic vapors of NOx and Cl-.

Bisoctyl dimethyl ammonium chloride Preparation Products And Raw materials







BARDAC LF, aktif bir biyosidal üründür. Ürün zincirindeki yüksek amin içeriği ile hem gram pozitif hem de gram negatif mikroorganizmalara karşı oldukça etkindir. Bunun yanı sıra Hepatit B ve HIV gibi kapalı virüslere ve geniş spektrumda çeşitli mantarlar üzerinde de etkinliği kanıtlanmıştır. Biyosit özelliklerinin yanı sıra iyi bir surfaktant ve ıslatıcı ajandır.

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