2,5-DIBROMOTHIENO[3,2-B]THIOPHENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25121-87-3 |
| Product name | 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial GradeIndustrial 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 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
| Industry | Application | Process |
|---|---|---|
| Organic semiconductor materials | Materials for organic field-effect transistors (OFETs) | Used as building blocks for conjugated polymers or small-molecule semiconductors to synthesize high-performance p-type or ambipolar semiconductor materials |
| Optoelectronic materials | Acceptor or donor materials for organic solar cells (OSCs) | Integrated into conjugated backbones via Suzuki or Stille cross-coupling reactions to enhance light absorption and charge transport properties |
| Chemical synthesis | Organic synthesis intermediate | Employed to construct thienothiophene-based conjugated systems and participate in metal-catalyzed cross-coupling reactions |
| Electronic materials research | Development of conductive polymer materials | Used as a functionalized monomer in polymerization reactions to produce polymers with high carrier mobility |
Manufacturing Quality Control of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to calibrated standard. |
| Related Substances | HPLC-DAD | Detects and quantifies impurities by retention time and UV spectral match against reference standards. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents using capillary GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration using iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Heavy Metals | ICP-MS | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg) by plasma ionization and mass spectrometric detection. |
| Chloride Impurity | Ion Chromatography | Separates and detects chloride ions using suppressed conductivity detection after anion exchange separation. |
| Sulfate Impurity | Ion Chromatography | Quantifies sulfate ions via anion exchange chromatography with conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary tube method. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light and against standard references. |
| Bulk Density | USP <616> Method I | Measures mass per unit volume of freely settled powder using standardized cylinder and balance. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution by measuring angular variation in laser light scattering from dispersed particles. |
Technical Specifications of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
| Test Item | Specification |
|---|---|
| Appearance | Black solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 148–152 °C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=20 ppm |
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 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
Safety Information of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE
Industrial 2,5-DIBROMOTHIENO[3,2-B]THIOPHENE 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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