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Didecyl Dimethyl Ammonium Chloride (DDAC)

CAS No. 7173-51-5 EINECS No. 230-525-2
Molecular Formula C22H48ClN Molecular Weight 362
Structural Formula

Product Features

Didecyl dimethyl ammonium chloride(DDAC) is a cationic surfactant of dialkydimethyl quaternary ammonium compounds. It is easily soluble in water and organic solvent. It is light yellow liquid under home temperature, and its chemical character is stable and low irritating.

Didecyl dimethyl ammonium chloride(DDAC) has broad spectrum of activity against both gram positive and gram negative bacteria. It can be used as fungicide and mildewcide, and active against enveloped viruses. It has high tolerance to hard water.

Didecyl dimethyl ammonium chloride(DDAC) maintains efficacy in presence of heavy organic soiling such as blood and protein. Good surfactant and wetting properties and it is worldwide acceptance based on registrations approval and official lists.

Technical Specification

Parameter Standard
Liquid Liquid
Appearance Clear, pale yellow to straw liquid Clear, pale yellow to straw liquid
Active content, % 48-52 78-82
Free amine, % 2.0 max 2.0 max
pH (10% water solution) 5.0-9.0 5.0-9.0
Color APHA 150 max 150 max

Applications & Usage

Didecyl dimethyl ammonium chloride(DDAC) is the third generation of quaternary ammonium compounds, and it is better than the first and second generation products on ability of killing microorganism.

Didecyl dimethyl ammonium chloride(DDAC) is mainly used as following fields:

1. Used as fungicide of injection water of oilfield and industrial circulating cooling water.

2. Used as disinfectant, fungicide and wood preservative agents.

3. Used as moth-proofing agents of textile.

4. It can be used compounding with CLO2 when handling hard surface to killing bacteria.

Package & Storage

25L Drum 200L Drum 1000L IBC
Storage for ten months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Satety Precaution

Corrosive and Toxic, Class 8+6.1, UN2922

Once contacted with eye and skin, flush with plenty of clean water.

Alternative Name / Synonyms

  1. DDAC
  2. N,N-Didecyl-N,N-dimethylammonium chloride
  3. 1-Decanaminium,N-decyl-N,N-dimethyl-,chloride
  4. aliquat203
  5. bardac22
  6. bio-dac50-22
  7. btc1010
  8. ddac(didecyldimethylammoniumchloride)