Silicones & Silicates
REACH
1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)-
CAS Number
5089-72-5
EC Number
225-806-1
What is 1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)-?
N-(β-Aminoethyl)-γ-aminopropyltriethoxysilane (CAS 5089-72-5) is a diamine-functional silane coupling agent that chemically bridges inorganic substrates and organic polymer matrices.
Where is 1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)- used?
- Glass fiber and mineral-filled composites: treats filler surfaces to improve stress transfer
- Epoxy and polyurethane: crosslinking promoter and adhesion primer, particularly in structural adhesives
- Protective coatings for automotive and aerospace assemblies
- Electronics: surface primer on substrates before encapsulation or underfill
- Construction sealants and elastomeric systems: crosslinker on glass, concrete, and metal
- It promotes adhesion and surface compatibility at interfaces where bonding between dissimilar materials is otherwise poor.
Good to know: Buyers should confirm silanol condensation inhibitors or stabilizer packages with suppliers when evaluating shelf life for storage-sensitive applications and long-term stability.
Commercial specifications
- Purity typically specified at 95% or higher
- Liquid in standard packaging ranging from drums to IBC containers
Other Names (Synonyms)
N-(β-Aminoethyl)-γ-aminopropyltriethoxysilane|3-(2-Aminomethylamino)propyltriethoxysilane|N'-(3-triethoxysilylpropyl)ethane-1,2-diamine|N-(2-aminoethyl)-3-aminopropyltriethoxysilane
What are the physical properties of 1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)-?
Melting Point 135°C (5 mmHg)
Boiling Point 156 °C @ Press: 15 Torr
Density 0.994 g/cm³
Flash Point 123°C
Appearance Colorless clear liquid
Color Colorless to Almost colorless
Form clear liquid
Water Solubility 240g/L at 20℃
Vapor Pressure 0.03Pa at 25℃
Refractive Index 1.438
Log P 1.2 at 20℃
How is 1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)- classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS09· Environmental Hazard
Hazard Statements
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
Which trade and regulatory codes apply to 1,2-Ethanediamine, N1-(3-(triethoxysilyl)propyl)-?
HS Code 29319090