Didecyl dimethyl ammonium bromide CAS NO. 2390-68-3 (DDAB). Assay 50%&80%min in Ethanol with appearance colorless to light yellow transparent liquid, or 98%min with white to light yellow solid. Soluble in Methanol and some other polar solvents, slightly soluble in water, belongs to Quaternary Ammonium Salts. 50%/80% assay widely used as disinfectants raw material, 98% assay used as phase transfer catalyst. Made from Didecyl Methyl Amine and Methyl Bromide via quaternization.
Didecyl Dimethyl Ammonium Bromide CAS NO. 2390-68-3
Description
- CAS NO.: 2390-68-3
- Molecular Formula: (C₁₀H₂₁)₂(CH₃)₂NBr
- Molecular Weight: 392.5
- Purity (Content): 50%/80% solution or 98% solid
- Appearance: Light yellow to colorless liquid or white to light yellow solid
- Package: 180KG/drum; 900KG/IBC drum; 20KG/drum
Details
Didecyl Dimethyl Ammonium Bromide CAS NO. 2390-68-3, also called DDAB, belongs to Quaternary Ammonium Salts. High purity, high stability. It has a wide range of applications in the chemical industry, pharmaceutical industry, and scientific research experiments. Widely used as catalyst, emulsifier, disinfectant, fungicide, anti-static agent, etc.
Specifications
We can make Didecyl Dimethyl Ammonium Bromide with different assay – 50%/80% in Ethanol/98% solid, to meet different applications. Detailed specifications as below:
- Didecyl Dimethyl Ammonium Bromide 50%/80% in Ethanol
| Appearance | Light yellow to colorless transparent liquid |
| Active Matter | 50%/80% min. |
| Free Amine Content | 2.0% max. |
| Color(APHA) | 100# max. |
| pH(10% aqueous solution) | 5 ~ 9 |
- Didecyl Dimethyl Ammonium Bromide 98% solid
| Appearance | White to light yellow solid |
| Assay | 98% min. |
| Free Amine Content | 0.5% max. |
| Organic Residual | 0.5% max |
| Water | 1.0% max. |
Application
- Didecyl Dimethyl Ammonium Bromide, belongs to the double chain quaternary ammonium salts, and widely used in many products due to its bactericidal, antiviral, and bactericidal properties. Has a mild odor, is safe, non-toxic, and non irritating. It can also be safely used for women and infants, has no residue in water, and easy to storage. It has become the safest disinfectant and is widely accepted by people around the world.
- Used for anti-corrosion and sterilization in the pharmaceutical and hygiene industries, as well as in the paper industry.
- Used as an asymmetric phase transfer catalyst, particularly suitable for oxidation reactions catalyzed by ruthenium trichloride.
- Widely used in industries such as power, coal mining, coking, and oil fields. In the oilfield industry, this product has been used as a disinfectant for oilfield reinjection water for decades and has a strong killing effect on iron bacteria, saprophytic bacteria, and sulfate reducing bacteria.
- Used as Phase transfer catalysts in organic synthesis chemistry, in antioxidant, metals extract, transfering catalyzer, surfactant.
Package
| DDAB 98% | 20KG/drum, 18 drums/pallet, total 7.2mt in 20’FCL or 14.4mt in 40’FCL |
| DDAB 50%/80% | 180KG/plastic drum, 4 drums/pallet, total 14.4mt in 20’FCL |
| 900KG/IBC drum, total 18mt (20 IBCs) in 20’FCL |
FAQ
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How to buy and get more information?
AYou can contact info@ahsuper.com to purchase and get more information like CoA, TDS, MSDS, or find in download.
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Do you have MOQ for the product?
AWe don’t have MOQ for mostly regular products. We can ship 500g, 1KG or 5KG by courier or by air for testing. And for more quantities, we can ship by sea in LCL or FCL. For some special customized products, we have MOQ around 100KG to 1MT.
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Can you support VQ documentation and necessary paperwork?
AYes, we can support VQ documentation and necessary paperwork. We are regular supplier for many heavy customers in China or overseas. We have rich experience for documentation works to meet customers’ company policies.
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Can you support factory visiting and testing witness?
AYes, we can arrange factory visiting or factory audit. Before the shipment, we can also arrange testing witness in our lab for our products.

