1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 38170-80-8 |
| Product name | 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Used as a building block for synthesizing complex organic molecules, particularly silicon-containing alkynes | Trialkylsilylacetylene groups are introduced via metal-catalyzed reactions such as Sonogashira coupling |
| Materials Science | Used to prepare organic functional materials with specialized optoelectronic properties (e.g., luminescent and nonlinear optical materials) | Serves as a precursor in polymerization or copolymerization reactions to form rigid π-conjugated systems |
| Pharmaceutical R&D | Potential intermediate for structural modification of drug molecules to enhance lipophilicity or metabolic stability | Selective functional group transformations are performed using silyl protecting/deprotecting strategies |
| Polymer Chemistry | Used to synthesize specialty polymers with silicon-containing side chains, improving thermal stability or processability | Introduced onto polymer backbones or side chains via click chemistry or alkyne metathesis |
Manufacturing Quality Control of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm based on peak area comparison to reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities using gradient HPLC-UV against qualified reference standards or threshold-based reporting. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., THF, toluene) by gas chromatography with flame ionization detection using internal standard calibration. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration using iodine generation and stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Measures trace metal contaminants (e.g., Pb, Cd, Ni) after acid digestion by inductively coupled plasma mass spectrometry with isotopic detection. |
| Chloride Content | Ion Chromatography | Quantifies chloride ions after sample dissolution and filtration using suppressed conductivity detection with anion-exchange column. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing and precise weighing of the remaining ash. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method per USP <741>. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of substance in transmitted light against established visual standards. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light by chiral impurities or enantiomeric excess using sodium D-line at specified concentration and path length. |
| pH of Aqueous Suspension | pH Meter | Evaluates acidity/basicity of a defined suspension in water using calibrated pH electrode and standardized temperature control. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in dispersed phase using Mie scattering theory and optical detection of diffracted laser light. |
Technical Specifications of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Melting Point | 118–122°C |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
Safety Information of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE
Industrial 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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