1,4-Bis(Dimethylsilyl)Benzene
- Product Name 1,4-Bis(Dimethylsilyl)Benzene
- Alias 1,4-Bis(dimethylsilyl)benzene; 1,4-bis(dimethylsilyl)benzene; 1,4-Phenylene-bis(dimethylsilane); p-Bis(dimethylsilyl)benzene; 1,4-Dimethylsilylbenzene
- Einecs 629-677-9
- Mininmum Order 1 g
- Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
- Price Inquiry admin@sinochem-nanjing.com
- Manufacturer Sinochem Nanjing Corporation
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- Characterized by its high thermal stability, it functions as a crosslinking agent in the silicone polymer industry and conforms to industry purity standards.
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HS Code |
743810 |
| Chemicalname | 1,4-Bis(Dimethylsilyl)Benzene |
| Casnumber | 22319-55-7 |
| Molecularformula | C10H18Si2 |
| Molecularweight | 194.42 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boilingpoint | 240-242 °C |
| Density | 0.889 g/cm³ |
| Solubility | Insoluble in water |
| Refractiveindex | 1.490-1.492 |
| Flashpoint | 110 °C |
| Structure | C6H4(Si(CH3)2H)2 |
| Smiles | C[Si](C)(H)c1ccc(cc1)[Si](C)(C)H |
| Purity | Typically ≥ 97% |
| Synonyms | 1,4-bis(dimethylsilyl)benzene |
As an accredited 1,4-Bis(Dimethylsilyl)Benzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 250g of 1,4-Bis(Dimethylsilyl)Benzene is packaged in a sealed amber glass bottle with a tamper-evident cap. |
| Shipping | 1,4-Bis(Dimethylsilyl)Benzene is shipped in airtight, sealed containers made of compatible materials, typically amber glass or high-density polyethylene, to prevent contamination and moisture ingress. Packages are clearly labeled according to chemical safety regulations and transported under standard room temperature, away from sources of ignition, with adherence to all relevant hazardous material shipping guidelines. |
| Storage | 1,4-Bis(Dimethylsilyl)Benzene should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent moisture and air exposure. Keep it in a cool, dry place away from direct sunlight, heat sources, and incompatible substances like oxidizing agents. Ensure appropriate labeling and store in a designated area for flammable or reactive chemicals. |
Applications of 1,4-Bis(Dimethylsilyl)Benzene in Industrial Manufacturing1,4-Bis(Dimethylsilyl)Benzene supports advanced material synthesis in high-demand industrial sectors. As a dedicated manufacturer, we address specialized requirements from silicone polymerization to next-generation semiconductors. Below, we detail real downstream applications, including regulatory benchmarks, working ratios, technical integration, and the range of commercial products produced. 1. Silicone Elastomer ProductionSpecialty silicone elastomers rely on the controlled incorporation of organosilicon intermediates. 1,4-Bis(Dimethylsilyl)Benzene acts as a crosslinking monomer, imparting structure and stability in high-resilience silicone rubber. Customers optimize mechanical properties for automotive gaskets, medical-grade seals, and other demanding applications by precise dosing at the polymer synthesis stage. Formula integration occurs under inert atmosphere using platinum-catalyzed hydrosilylation, with tight process monitoring to control molecular weight distribution aligned with product technical data sheets. Industry compliance standards
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2. Advanced Ceramic Precursor SynthesisWithin the specialty ceramics industry, organosilicon compounds serve as critical molecular building blocks for silicon carbide and silicon carbonitride precursor feedstocks. Direct incorporation of 1,4-Bis(Dimethylsilyl)Benzene enables high-yield pyrolysis with uniform Si–C network formation. Downstream manufacturers utilize these precursors in slurry blending and sol-gel casting, subjecting them to precise atmospheres and temperature ramps to produce dense, crack-free ceramic bodies for high-temperature use. Industry compliance standards
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3. Semiconductor Dielectric ModificationSemiconductor wafer fabrication facilities use organosilicon intermediates to fine-tune low-dielectric constant layers in microchip interconnects. Materials engineers employ 1,4-Bis(Dimethylsilyl)Benzene as a co-monomer for CVD or spin-on dielectric precursor formulations, controlling deposition uniformity on 300 mm wafers. The raw material’s structural characteristics support formation of homogeneous, defect-minimized films, which are then patterned and etched to device specifications across DRAM, NAND, and logic chip lines. Industry compliance standards
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4. Polyester Resin Crosslinking for Electronic EncapsulantsWithin the electronic materials sector, 1,4-Bis(Dimethylsilyl)Benzene facilitates enhanced crosslinking of polyester-based encapsulation resins. Resin formulators achieve improved resistance to thermal cycling and moisture infiltration by introducing the compound during oligomer pre-blending. Encapsulant processors report tighter cure control, higher dimensional stability, and suitable flow behavior for potting of LEDs, ICs, and surface-mount assemblies. The silica content remains compliant with regulatory demands on extractives and leachables. Industry compliance standards
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5. Specialty Adhesive and Sealant ModificationProducers of high-performance adhesives incorporate 1,4-Bis(Dimethylsilyl)Benzene to improve crosslink density and weathering stability. During manufacturing of silyl-terminated urethane and acrylic systems, the additive functions as a chain extender and reinforcement agent. Exact dosing and reaction timing are customized based on end-cure specifications for construction sealants, industrial concrete bonding agents, or high-end glazing adhesives. In-line moisture analysis and tensile testing validate batch conformity to engineering benchmarks. Industry compliance standards
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- 1,4-Bis(Dimethylsilyl)Benzene is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: admin@sinochem-nanjing.com.
1,4-Bis(Dimethylsilyl)Benzene: Practical Insights from the Manufacturing Floor
What Sets 1,4-Bis(Dimethylsilyl)Benzene Apart?
Every day, walking into our plant, the sharp aroma and bustling noise remind me – this isn’t an ordinary shop filled with commodity chemicals. Our team has built years of experience refining the manufacturing process for 1,4-Bis(Dimethylsilyl)Benzene, a small but important aromatic compound fitted with silyl groups at para positions on the benzene ring. What gets lost in technical catalogues, we know firsthand: this material’s value lies in the fine details of how it behaves under real synthetic conditions, and the kind of precision we’ve put into its production.
Direct experience has taught us that 1,4-Bis(Dimethylsilyl)Benzene doesn’t operate like simple alkylbenzenes or passive aromatic hydrocarbons. Researchers count on the unique blend of rigidity from the benzene core and the flexibility of the attached dimethylsilyl groups. That combination opens up real possibilities in polymer and specialty material synthesis, where substitution patterns on the ring determine performance step by step.
Material Details: From Laboratory to Kilo Scale
This compound – C10H18Si2 as chemists know it – falls under the model code our facility has assigned after much trial and validation. Our engineers monitor batch characteristics, checking each lot for consistent purity. We typically deliver it as a colorless liquid, tailored to fit both gram-scale trial runs and larger pre-commercial batches.
Through dozens of campaigns, we have found that the success or failure of a downstream process can hang on impurities at single-percentage levels. That’s why we report GC-MS and NMR sample results on request, and why we use dedicated glassware to keep cross-contaminants from similar silylated aromatics out of every batch.
Our facility avoids solvents known to introduce extra methyl or vinyl groups, as these contaminants have a habit of creeping up in catalyst testing and material science work. We learned early: a trace mislabel or a less-than-rigorous distillation can mean the difference between success and a failed trial for our customers.
Applications Shaped by Real-World Requirements
One of the most common stories from our partners comes from advanced material research. 1,4-Bis(Dimethylsilyl)Benzene features heavily in the design of silicon-containing polymers. Its para-substituted framework creates evenly spaced, reactive silyl sites across the molecule, not found in random mixtures or in ortho/meta isomers. This allows for more regular cross-linking, letting engineers dial in flexibility, durability, or heat resistance in silicone-based materials.
Catalyst developers and electronics manufacturers both spend time in our plant, especially when high-temperature stability or chemical resistance is non-negotiable. Our compound’s consistent reactivity and clean profile allow R&D groups to troubleshoot without scrambling to purify feeds before every new batch. We’ve worked alongside clients through troubleshooting, trial formulations, and upscaling, watching prototype coatings and films evolve from flasks on the bench to many-kilo reactors.
The Real Differences: Why Synthesis Route Matters
It’s easy to think that structurally similar chemicals will behave the same. On paper, 1,4-Bis(Dimethylsilyl)Benzene competes with its 1,3- or 1,2- analogues, but we’ve watched countless customers stumble by using the wrong isomer. The geometry of the para isomer means steric hindrance is reduced; as a result, coupling reactions reach completion without forcing high catalyst loadings or giving unwanted byproducts. Its predictable solidification point and clean GC profile show up in real-world yields, not just specs.
Another practical difference: we avoid cross-contaminating batches with products containing bulky moieties or alternate silyl substitutions. It’s not uncommon for industrial users to receive batches containing tiny but influential impurities. We’ve had conversations with experienced PhDs who uncovered trace metal catalysts left over from rival plants, leading to batch failures – our strict separation pays real dividends.
Synthesis Experience: The Importance of Process Control
We’ve refined dozens of synthetic routes before finding the balance between yield, safety, and cost. Some plants run more aggressive conditions in pursuit of output. Our teams favor milder parameters and extended purification, keeping runaway side reactions and polymeric byproducts from building up in storage tanks or transfer lines.
Real issues arise during scale-up. At lab scale, acetylene coupling and silyl transfer steps behave predictably. On drums and reactors, small inefficiencies multiply. Even heat distribution and agitation profiles can impact final purity. Years of repetition have shown us that the knowledge of every technician and the stability of our supply chain make a difference for every shipment.
To reach high purity, it doesn't work to just extend distillation cuts. Sometimes, not all glassware cleanses thoroughly between runs, especially when previous campaigns handled different silylated aromatics. For each run, we explicitly schedule vessel cleaning and check purge logs before feedstock transfer. It’s this stubborn routine that lets our 1,4-Bis(Dimethylsilyl)Benzene meet modern analytical requirements.
The Human Side: Working With Customers for Better Results
Our customer interactions often begin with frustration elsewhere – someone receiving a batch with a trace benzene impurity or a surprise chloride. We keep technical lines open, offering transparency about process limitations and sharing data we collect for every run. Years of candor minimize miscommunication.
We keep records of every formulation adjustment, letting our long-time partners access small-lot runs for experimental trials. Some start with a kilogram, then scale to hundreds. By staying close to their requirements, we spot trends early, whether it’s a growing demand for higher-purity silyl groups from the electronics sector or a shift toward lower-emission production for new regulatory standards.
Engineers in emerging tech count on us for repeatability – their results depend on our documentation and supply consistency. Our technicians support troubleshooting beyond the bottle, from pre-polymerization through cross-linking and final curing. Often, late-night calls or last-minute data reviews make the difference between missing a deadline and making a presentation.
Comparing To Other Silylated Compounds
Some suppliers offer generic silylated benzenes, blending dimethylsilyl, methylsilyl, or diphenylsilyl groups. On the plant floor, we see the issues these blends cause in specialized applications. The size and electronic environment of dimethylsilyl groups at fixed positions in 1,4-Bis(Dimethylsilyl)Benzene ensure consistent reactivity patterns and predictable thermal properties.
1,2- or 1,3- isomers introduce different distances and angles between silyl groups, affecting how the product interacts in coupling, cross-linking, and downstream conversions. Most application scientists prefer the para orientation for both maximum distance and lowest steric resistance, and our production emphasizes that geometry by carefully selecting feedstocks and process steps to limit isomerization or over-silylation.
By focusing on a single compound rather than a blend, our customers avoid build-ups of undefined byproducts. Our custom distillation profiles allow us to meet the exacting standards required in the semiconductor and medical polymer fields, where a single contaminant can lead to millions in lost productivity.
Looking Forward: Continuous Improvement Meets Market Needs
Our research teams continue pushing for even greater purity and process efficiency. Analytical technology has advanced – we now routinely test for trace siloxanes, halides, and solvent residues down to ppm levels. These upgrades anticipate tighter customer specs and more challenging application work.
We also respond to feedback gathered from working chemists and engineers. One request that comes up regularly involves improving product stability in storage and transit. To answer this, we’ve adopted inert gas blanketing in all packaging and moved away from certain metalware storage tanks, recognizing that even minor contact with metal ion residues can impact sensitive downstream reactions.
Supply consistency shapes every part of our process. Customers know seasonal and geopolitical disruptions can throw off feedstock availability. We address these risks by dual-sourcing key raw materials and maintaining close relationships with logistics partners. Years of volatility have made us cautious and thorough, and our output reflects that discipline.
Industry Voices: Collaboration Shapes the Future
A material like 1,4-Bis(Dimethylsilyl)Benzene rarely stands alone. Most of our customers see it as a starting point, a versatile monomer or cross-linker in complex syntheses. The people we work with in R&D and production push us to keep standards tight and keep communication open.
Listening to feedback about off-color batches or stability issues has helped us address small problems before they grow. Together with customers in advanced materials, semiconductors, and pharma, we document subtle failure modes and continually adapt our QC protocols. As customers continue to raise their expectations, our team recognizes that each new demand pushes us to new technical levels, improving not just one product but many others along the way.
Celebrating Real Progress
After years on the manufacturing floor and in the lab, we see each lot of 1,4-Bis(Dimethylsilyl)Benzene as a summary of our collective knowledge. Every safety review, every checked impurity, and every successful delivery confirms that our approach – disciplined, transparent, human – makes a difference for those relying on quality, week after week.
We stay close to the work because we know how much can ride on the reliability of a single raw material. Those who depend on 1,4-Bis(Dimethylsilyl)Benzene for precision polymers, coatings, and electronics begin their work with our consistent product. Here on the shop floor, we keep building, testing, and improving – not because a label demands it, but because customers’ real-world results, and their trust, depend on how far we take our craft.
