Tel: +86 13962653966 | Email： sales@szeasychem.com
Tel: +86 13962653966 | Email： sales@szeasychem.com
Didecyl Dimethyl Ammonium Chloride (DDAC) is a high-efficiency quaternary ammonium compound widely used as a disinfectant, sanitizer, and preservative. With strong antimicrobial activity against bacteria, fungi, and viruses, DDAC provides broad-spectrum protection in household, industrial, and institutional applications.
Suzhou Easy Chemical offers high-quality Didecyl Dimethyl Ammonium Chloride (DDAC) with excellent stability, competitive pricing, and global supply capability.
Product Name: Didecyl Dimethyl Ammonium Chloride
Abbreviation: DDAC
CAS Number: 7173-51-5
Molecular Formula: C22H48ClN
Appearance: Colorless to pale yellow transparent liquid
Assay: 50% / 80%
Packing: 200 kg drum / IBC tank
Didecyl Dimethyl Ammonium Chloride (DDAC) is soluble in water and exhibits excellent compatibility with nonionic and cationic surfactants.
| Item | Specification |
|---|---|
| Assay (Active Content) | 50% / 80% |
| Appearance | Colorless to pale yellow liquid |
| pH (1% Solution) | 6.0–8.0 |
| Solubility | Soluble in water, ethanol |
| Shelf Life | 24 months |
DDAC is widely used in:
Disinfectants & Sanitizers – Household, institutional, and healthcare cleaners.
Food Industry – Equipment sanitizers and surface disinfection.
Water Treatment – Algaecide and biocide in industrial water systems.
Agriculture – Post-harvest protection and horticultural disinfection.
Oil & Gas – Biocide in enhanced oil recovery and water flooding.
Textile & Leather – Preservative and antimicrobial finishing agent.
In every application, Didecyl Dimethyl Ammonium Chloride (DDAC) provides long-lasting and broad-spectrum microbial control.
Broad-spectrum antimicrobial efficacy – Effective against Gram-positive & Gram-negative bacteria.
Fungicidal & virucidal activity – Kills fungi, yeasts, and enveloped viruses.
Low foaming – Suitable for clean-in-place (CIP) systems.
Surface-active properties – Acts as a disinfectant and cleaner simultaneously.
Stable in hard water – Maintains performance in diverse water qualities.
By choosing Didecyl Dimethyl Ammonium Chloride (DDAC), manufacturers gain a reliable disinfectant with superior biocidal performance.
Packaging: 200 kg HDPE drum, 1000 kg IBC tank, or customized.
Storage: Store in cool, ventilated area. Avoid direct sunlight and strong oxidizers.
Shelf Life: 2 years in unopened original packaging.
Didecyl Dimethyl Ammonium Chloride (DDAC) should be handled with standard protective equipment.
As a professional Didecyl Dimethyl Ammonium Chloride (DDAC) manufacturer, we support clients across the personal care, cosmetic, and home care industries with:
✔ Consistent high-quality material
✔ Competitive pricing for bulk orders
✔ COA, MSDS, TDS, and technical support
✔ Global shipping & responsive service
✔ Custom packaging and OEM labeling available
Q1: What is the difference between Didecyl Dimethyl Ammonium Chloride and other quaternary ammonium compounds?
A1: DDAC has superior antimicrobial activity and better stability in water compared to many other quats.
Q2: Can DDAC be used in food processing facilities?
A2: Yes, Didecyl Dimethyl Ammonium Chloride (DDAC) is commonly used in sanitizers for food-contact surfaces under regulated conditions.
Q3: Is DDAC biodegradable?
A3: Yes, DDAC shows good biodegradability and meets environmental safety standards.
Looking for a dependable Benzalkonium Chloride supplier?
We supply to cosmetic brands, cleaning product factories, and chemical distributors worldwide.
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Suzhou easy chemical co. ltd
388, Dengyun Road,Kunshan, Jiangsu, China
Email: sales@szeasychem.com
Contact： Joyce Yu
MB: +86 13962653966
Tel: 0512- 57554186
Whatsapp&Wechat: +86 13962653966
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Didecyl Dimethyl Ammonium Chloride (DDAC): Uses, Benefits, and Bulk Sourcing Guide Request for a quote Request for TDS, MSDS Didecyl Dimethyl Ammonium Chloride (DDAC) is
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Downloads
Technical Data Sheet (TDS) 
Safety Data Sheet (MSDS) 