Typical Physical Properties of LS-94322 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane
Silfluo Code: | LS-94322 |
Chemical Name: Synonyms | 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane dimethylsilyloxy-dimethyl-(2-trimethoxysilylethyl)silane; Disiloxane, 1,1,3,3-tetramethyl-1-[2-(trimethoxysilyl)ethyl]-; |
CAS No. : EINECS No. : | 137407-65-9 |
Molecular Formula: | C9H26O4Si3 |
Molecular Weight: | 282.56 |
Appearance: | Colorless or light yellow liquid |
Purity (by GC, %): | > 65 |
Density (25°C, g/cm³): |
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Refractive Index (n25/D): |
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Boiling Point: | 218°C |
Flash Point: | 125°C Closed Cup |
Features of LS-94322 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane
1. Dual Reactivity Platform: The coexistence of an active Si-H bond and hydrolyzable methoxy groups empowers synthesis chemists to easily graft a moisture-curing silane functionality onto virtually any unsaturated (carbon-carbon double bond) polymer backbone.
2. Siloxane Backbone Flexibility: The internal disiloxane (Si-O-Si) linkage introduces inherent flexibility, tactile softness, and low surface energy to the final synthesized polymer or coating.
3. Moisture-Triggered Crosslinking: Once grafted via the Si-H end, the terminal trimethoxysilyl groups ensure robust, moisture-activated crosslinking and exceptional covalent bonding to inorganic substrates (glass, metals, and minerals).
Applications of LS-94322 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane
Silfluo LS-94322 is engineered strictly as a high-performance chemical building block:
1. Synthesis of Silicone Polyethers & Surfactants: Extensively utilized in hydrosilylation reactions with allyl-terminated polyethers to manufacture specialty silicone surfactants, agricultural wetting agents, and polyurethane foam stabilizers.
2. Polymer End-Capping (STP/MS Polymers): Acts as a highly efficient reactive capping agent. It grafts onto vinyl- or allyl-terminated polyolefins and polyurethanes to synthesize moisture-curable, silane-terminated prepolymers used in high-performance hybrid sealants.
3. Advanced Surface Modifiers: Serves as a critical intermediate to produce custom-designed, long-chain silane coupling agents that provide enduring hydrophobicity, flexibility, and scratch resistance to premium glass and automotive coatings.
4. Custom Silicone Resin Modification: Employed to organically modify rigid silicone resins, tuning their crosslink density and improving their thermodynamic compatibility with organic solvent systems.
Packing of LS-94322 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane
In 25kg pail and 200kg drum.
Safety and Storage of LS-94322 1,1,3,3-Tetramethyl-1-[2'-(Trimethoxysilyl)Ethyl]-Disiloxane
Keep in a cool, strictly dry, and well-ventilated environment, aggressively avoiding direct sunlight, heat, and open flames. CRITICAL WARNING: This product contains active silicon-hydride (Si-H) bonds. Keep strictly away from strong acids, alkalis, heavy metals, and moisture, as contact can trigger rapid, dangerous evolution of highly flammable hydrogen gas (H2). The shelf life is a minimum of 12 months from the date of manufacture when stored at or below 25°C in tightly sealed, original unopened containers.
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