Shandong Huashang Chemical Co., Ltd.
Product
Didecyl dimethyl ammonium chloride
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:7173-51-5
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance liquid
Molecular Weight 362.08
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance Colorless to pale yellow transparent liquid

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.

Basic Information

Product Name: Didecyl dimethyl ammonium chloride
CAS Number: 7173-51-5
Alias: DDAC; Didecyldimethylammonium chloride
Molecular Formula: C22H48ClN
Molecular Weight: 362.08
IUPAC Name: N,N-dimethyl-N,N-didecylammonium chloride

Structural Information

  • Structure Type: Quaternary ammonium salt, cationic surfactant
  • Structural Features: Long alkyl chain quaternary ammonium structure, with excellent surface activity and bactericidal property.

Physical & Chemical Properties

  • Appearance: Colorless to pale yellow transparent liquid
  • Odor: Slight characteristic odor
  • Density: 0.87-0.89 g/cm3
  • Solubility: Soluble in water, alcohols and common organic solvents
  • Stability: Stable under normal conditions; incompatible with anionic surfactants and strong oxidants.

Synthesis & Applications

Production Method

Synthesized by alkylation reaction of decyl alkylamine with methyl chloride.

Main Applications

  • Disinfectant & Biocide: Widely used for sterilization, algae removal and mildew prevention.
  • Surfactant: Emulsifier, softener and antistatic agent in daily chemicals.
  • Industrial Additive: Corrosion inhibitor for water treatment and industrial circulation system.
  • Textile Industry: Fabric softener and bacteriostatic agent.

Safety & Storage Instructions

  • Hazard Classification: Irritant; causes irritation to skin, eyes and respiratory tract.
  • Personal Protection: Wear chemical goggles and resistant gloves; avoid direct contact and inhalation.
  • Storage Condition: Sealed, cool, dry and ventilated place; keep away from anionic products and oxidants.
  • Transportation: General chemicals; prevent package leakage.

Quality Specifications

  • Active Content: 50% / 80% (common grades)
  • pH (1% solution): 6.0-8.0
  • Free Amine: ≤1.0%

Information Summary Table

Item Specification
CAS Number 7173-51-5
Product Name Didecyl dimethyl ammonium chloride
Synonym DDAC
Molecular Formula C22H48ClN
Molecular Weight 362.08
Appearance Colorless to pale yellow liquid
Density 0.87-0.89 g/cm3
Solubility Soluble in water and alcohols
Active Content 50% / 80%
Storage Condition Sealed, cool dry place
Hazard Property Skin & eye irritant
Main Usage Disinfectant, biocide, cationic surfactant