2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9& Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 40231-03-6 |
| Product name | 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9& |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9& Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
| Industry | Application | Process |
|---|---|---|
| Organic Electronic Materials | Organic semiconductor material for the active layer in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs) | Co-polymerized with halogenated arenes or heteroarenes via Suzuki or Stille coupling to form conjugated polymers |
| Pharmaceutical Intermediates | Alkynylating reagent in the synthesis of thienyl-containing drug molecules | Undergoes Sonogashira coupling under palladium catalysis to introduce a trimethylsilylethynyl group for pharmacophore construction |
| Materials Science | Monomer for functional conductive polymers and liquid crystalline materials | Deprotected (using TBAF) to generate terminal alkyne, enabling subsequent participation in click chemistry (CuAAC) or Glaser coupling |
Manufacturing Quality Control of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area relative to calibration standard using flame ionization detection. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Measures volatile organic impurities by equilibrium partitioning into headspace gas phase followed by GC separation. |
| Water Content | Karl Fischer Titration | Determines water via stoichiometric reaction between iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| Heavy Metals | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Detects trace metal elements by measuring characteristic atomic emission lines after plasma atomization and excitation. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride anions based on differential migration in an electrolyte gradient under electric field. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution with phenolphthalein endpoint detection. |
| Color | Visual Comparison Against APHA Scale | Evaluates sample color intensity by matching against platinum-cobalt standard solutions in defined lighting conditions. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue remaining after high-temperature ashing and subsequent weighing. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separates and quantifies structurally related impurities using reversed-phase column and UV absorbance at 254 nm. |
| Density | Digital Density Meter | Determines mass per unit volume using oscillating U-tube principle calibrated with air and water standards. |
| Refractive Index | Abbe Refractometer | Measures bending of light at sample-air interface to calculate refractive index at specified temperature and wavelength. |
| Flash Point | Closed Cup Pensky-Martens Tester | Determines lowest temperature at which vapors ignite momentarily when exposed to flame under standardized closed vessel conditions. |
Technical Specifications of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.540–1.560 |
| Odor | Characteristic mild odor |
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 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
Safety Information of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9&
Industrial 2-((TRIMETHYLSILYL)ETHYNYL)THIOPHENE 9& 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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