3-Chloropropyltriethoxysilane is a chemical compound with the molecular formula (C₂H₅O)₃Si(CH₂)₃Cl. It belongs to the family of organosilanes, which are widely used as coupling agents and surface modifiers in various industrial applications.
Functional Group: Contains a reactive chloropropyl group (CH₂CH₂CH₂Cl) and three ethoxy groups (-OC₂H₅).
Reactivity: Hydrolyzes in the presence of moisture to form silanol groups (Si-OH), which can condense to form strong siloxane bonds (-Si-O-Si-) with surface hydroxyl groups.
3-Chloropropyltriethoxysilane
5089-70-3
Appearance | Colorless or light yellow liquid |
Purity(%) | ≥98.00% |
Density（ρ20）, g/cm³ | 0.990~1.005 |
Molecular Weight | 240.78 |
Refractive Index（n²⁵D） | 1.4150~1.4250 |
1. Main raw material for making HENGDA-Si69,HENGDA-E8133 and other silane coupling agents.
2. As a rubber processing aid, 3-Chloropropyltriethoxysilane is used to couple inorganic fillers in various halogenated rubbers, such as chloroprene rubber, chlorinated butyl rubber, chlorosulfonated polyethylene, and other halogenated rubbers, to improve various physical and mechanical properties.
3. Synthesis of organosilicon compounds containing quaternary ammonium salt cations, 3-Chloropropyltriethoxysilane used as an anti-mold and deodorant finishing agent, and with special sterilization, deodorant, antistatic, and surface activity.
20kg, 200kg plastic or iron drum, IBC drum
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