Silicones & Silicates
REACH
Vinyltris(2-methoxyethoxy)silane
CAS Number
1067-53-4
EC Number
213-934-0
What is Vinyltris(2-methoxyethoxy)silane?
Vinyltris(2-methoxyethoxy)silane (CAS 1067-53-4) is an organosilane coupling agent that bridges inorganic fillers and organic polymer matrices. Also marketed as Silane A-172.
Where is Vinyltris(2-methoxyethoxy)silane used?
- Rubber and tire manufacturing: treats silica and glass fiber reinforcements to improve filler-matrix adhesion
- Plastics compounding: surface-treats mineral fillers such as talc, kaolin and wollastonite before incorporation into polyolefin or thermoplastic systems
- Automotive sealants and adhesives: crosslinking agent for durable bonds to glass and metal
- Printing and packaging: adhesion promoter in UV-curable coatings and inks applied to glass
- It bonds mineral surfaces to resin systems, improving adhesion and mechanical strength.
Good to know: Some suppliers offer pre-hydrolyzed or diluted formulations for direct surface treatment.
Commercial specifications
- 97% or higher purity for industrial use
- Packaging ranging from drums to IBC containers
Other Names (Synonyms)
Tris(2-methoxyethoxy)vinylsilane|Silicone A-172|Tris(methoxyethoxy)vinylsilane|Tris(methoxyethxy)vinylsilane|Vinyltris(methoxyethoxy)silane|NUCA 172|SILANE, TRIS(2-METHOXYETHOXY)VINYL-|Prosil 248
What are the physical properties of Vinyltris(2-methoxyethoxy)silane?
Melting Point -30 °C
Boiling Point 284-286 °C
Density 1.033 g/cm³ @ Temp: 25 °C
Flash Point >230 °F
Appearance Colorless transparent liquid
Color Colourless
Form Liquid
Water Solubility REACTS
Vapor Pressure 0.017-1300Pa at 25℃
Refractive Index n 20/D 1.43(lit.)
Log P -2-0.3 at 20℃
How is Vinyltris(2-methoxyethoxy)silane classified and handled safely? Learn More
Danger
GHS08· Health Hazard GHS07· Irritant
Hazard Statements
H227 Combustible liquid
H312 Harmful in contact with skin
H319 Causes serious eye irritation
H336 May cause drowsiness or dizziness
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
Which trade and regulatory codes apply to Vinyltris(2-methoxyethoxy)silane?
HS Code 29319090
UN Number 1993
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
WGK (Germany) 1