N,N,N',N'-Tetrakis(2-hydroxyethyl)ethylenediamin (THEED) - CAS 140-07-8

Chemical Overview

• IUPAC Name : 2,2',2'',2'''-(Ethane-1,2-diyldinitrilo)tetraethanol

• Molecular Weight : 236.31 g/mol

• CAS No. : 140-07-8

• Appearance : Colorless to pale yellow viscous liquid

• Solubility : Miscible with water in all proportions, forming a clear solution

Key Properties

• Purity : ≥98%-99% (industrial grade)

• pH (1% aqueous solution) : 8.0-12.0

• Density : ~1.1 g/mL at 20°C

• Boiling Point : ~280°C

Applications

1. Polymer Industry :

   • Acts as an initiator in polymer synthesis (e.g., polyurethane, epoxy resins)

   • Used as a crosslinking agent for synthetic rubber and antistatic agents

2. Metal Complexation :

   • Functions as a chelating agent in chemical copper plating, soldering fluxes, and cleaning agents for PCB manufacturing

   • Serves as a stabilizer in zinc-nickel alloy electroplating

3. Chromatography :

   • Applied as a stationary phase in gas chromatography (capillary/column)

4. Other Uses :

   • Component in antimicrobial mirror-care solutions and ink formulations (e.g., ballpoint pens)

Storage & Handling

• Packaging : Typically supplied in 25 kg or 200 kg plastic drums

• Storage Conditions : Keep in a cool, dry place; shelf life of 2 years