Silicones & Silicates
REACH
(trimethoxysilylpropyl)ethylenediamine
CAS Number
1760-24-3
EC Number
217-164-6
Abbreviation
DAMO
What is (trimethoxysilylpropyl)ethylenediamine?
N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane (CAS 1760-24-3), commercially known as DAMO, is a bifunctional aminosilane coupling agent carrying a trimethoxysilyl group and a diamine functionality.
Where is (trimethoxysilylpropyl)ethylenediamine used?
- Adhesives, sealants and epoxy systems: curing agent
- Coupling promoter between polymer resins and glass, metal or mineral fillers
- Electronics: surface primer for printed circuit boards and encapsulants
- Coatings and composites: modifies fiber and filler surfaces to improve wet-out and mechanical performance of plastics
- Automotive sealants and structural adhesives maintain bond integrity at substrate interfaces exposed to moisture and temperature extremes.
Commercial specifications
- Standard commercial grades at ≥97% purity for industrial and technical use
- Higher-purity specifications offered for electronics and specialty coatings
- Packaging from small drums to IBC containers
Other Names (Synonyms)
N'-(3-trimethoxysilylpropyl)ethane-1,2-diamine|n-(2-aminoethyl)-3-aminopropyltrimethoxysilane|DAMO
What are the physical properties of (trimethoxysilylpropyl)ethylenediamine?
Melting Point 0°C
Boiling Point 140 °C @ Press: 15 Torr
Density 1.010 g/cm³ @ Temp: 25 °C
Flash Point 220 °F
Appearance Colorless transparent liquid
Color Clear colorless to light yellow
Form Liquid
Water Solubility REACTS
Vapor Pressure 1.5 hPa (20 °C)
Refractive Index n 20/D 1.444(lit.)
pH 10 (10g/l, H2O, 20℃)
Log P -4--0.82 at 20℃
How is (trimethoxysilylpropyl)ethylenediamine classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H302 Harmful if swallowed
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to (trimethoxysilylpropyl)ethylenediamine?
HS Code 29310095
UN Number 3267
ADR Class 8
Packing Group II
Storage Class 10 - Combustible liquids
WGK (Germany) 3