Dichlorodiethylsilane Dideu

**Product Name: Dichlorodiethylsilane**
**CAS No.: 1719-53-5**
**Molecular Formula: C₄H₁₀Cl₂Si**
**Molecular Weight: 157.11 g/mol**
**Purity: ≥97%–99% (GC), customizable**
**Appearance: Colorless to pale yellow transparent liquid with pungent odor**

**Product Overview**

Dichlorodiethylsilane is a high-purity organosilicon intermediate featuring two ethyl groups and two reactive chlorine atoms bonded to a central silicon atom. [[10]] This versatile chlorosilane compound serves as a critical building block in specialty silicone synthesis, offering unique molecular architecture that imparts enhanced hydrophobicity, thermal stability, and flexibility to silicone polymers compared to methyl-substituted analogs. Its controlled reactivity profile enables precise incorporation into complex silicone architectures including fluids, resins, and crosslinkers. The compound's moisture-sensitive nature requires careful handling under inert atmosphere, but this same characteristic drives efficient hydrolysis-condensation reactions essential for producing high-performance silicone materials with tailored properties for demanding industrial applications.

**Main Applications**

**Specialty Silicone Synthesis**
Essential monomer for producing ethyl-modified silicones with superior low-temperature flexibility, enhanced hydrophobicity, and improved compatibility with organic polymers. Particularly valuable for synthesizing specialty silicone fluids, resins, and elastomers requiring extended service temperature ranges and resistance to environmental degradation.

**Surface Treatment & Modification**
Key reagent for hydrophobic surface treatment of inorganic materials including silica, glass fibers, and mineral fillers. [[18]] Forms stable siloxane bonds that dramatically reduce surface energy, improving moisture resistance, dispersion characteristics, and compatibility in composite formulations for rubber, plastics, and coatings.

**Crosslinking Agent Development**
Critical component in formulating moisture-cure silicone systems and RTV (room temperature vulcanizing) sealants. The dual chlorosilane functionality enables controlled crosslink density adjustment, allowing formulators to optimize cure speed, mechanical properties, and final product performance for construction sealants and industrial adhesives.

**Polymer Modification & Hybrid Materials**
Building block for synthesizing silicone-organic hybrid polymers and block copolymers with tailored phase behavior. Enables development of novel materials combining silicone advantages (thermal stability, weatherability) with organic polymer benefits (mechanical strength, processability) for advanced coating and elastomer applications.

**Pharmaceutical & Agrochemical Intermediates**
Specialized intermediate in synthesizing silicon-containing bioactive molecules and prodrugs where ethyl substitution provides optimized lipophilicity and metabolic stability profiles compared to methyl analogs.

**Analytical Chemistry & Reference Standards**
High-purity grade material serves as calibration standard and reference compound for GC-MS analysis of organosilicon compounds in environmental monitoring, quality control laboratories, and forensic investigations.

**Product Features**

- **High Purity Standard**: ≥97%–99% (GC) with strict control of moisture content (<50 ppm) and trace metal impurities
- **Controlled Reactivity**: Optimized chlorosilane reactivity for predictable hydrolysis-condensation kinetics in silicone synthesis
- **Superior Stability**: Stable under inert atmosphere with minimal decomposition during storage and handling
- **Excellent Solubility**: Miscible with common organic solvents including toluene, hexane, and chlorinated hydrocarbons for versatile processing
- **Batch-to-Batch Consistency**: Rigorous quality control with comprehensive analytical documentation (GC, NMR, Karl Fischer moisture analysis)
- **Low Color Value**: APHA color <20 ensures minimal impact on final product aesthetics in color-sensitive applications

**Packaging & Storage**

**Packaging Options**: 1 kg, 5 kg, 25 kg HDPE drums with PTFE-lined caps under nitrogen atmosphere; 200 kg steel drums with septum valves; custom bulk containers available
**Storage Conditions**: Store under inert atmosphere (nitrogen or argon) at 2-8°C in cool, dry, well-ventilated area; protect from moisture, heat sources, and incompatible materials [[15]]
**Shelf Life**: 12 months when stored under recommended conditions
**Transport**: Hazardous material shipment compliant with IATA/IMDG Class 8 (Corrosive) and Class 3 (Flammable Liquid) regulations; temperature-controlled shipping with moisture barrier packaging

**Why Choose Us**

- **Specialized Organosilicon Manufacturer**: Dedicated production facilities with advanced distillation and purification technologies ensuring superior purity and consistent quality
- **Comprehensive Safety Protocols**: Full SDS documentation, handling guidelines, and emergency response support for safe industrial use
- **Advanced Analytical Capabilities**: In-house laboratory with GC-MS, NMR, FTIR, and Karl Fischer titration for complete product characterization and moisture control
- **Technical Expertise**: Dedicated organosilicon chemists providing application support, formulation guidance, and custom synthesis services
- **Global Regulatory Compliance**: Products manufactured according to ISO 9001 standards with complete regulatory documentation for international markets
- **Flexible Order Quantities**: Low MOQ for R&D quantities with volume discounts and customized specifications for industrial-scale requirements
- **Reliable Supply Chain**: Established logistics network with hazardous material shipping expertise serving customers worldwide

*Note: This product is moisture-sensitive and reacts vigorously with water to generate hydrochloric acid. Proper handling under inert atmosphere with appropriate PPE (gloves, goggles, respirator) is required. Not for consumer use. All specifications subject to change without notice. Contact us for customized purity requirements, special packaging requests, or bulk pricing inquiries. Certificate of Analysis and Safety Data Sheet available upon request.*