3,3',5,5'-Tetrabromo-2,2'-bithiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 125143-53-5 |
| Product name | 3,3',5,5'-Tetrabromo-2,2'-bithiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 3,3',5,5'-Tetrabromo-2,2'-bithiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,3',5,5'-Tetrabromo-2,2'-bithiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
| Industry | Application | Process |
|---|---|---|
| Electronic Materials | Used as a precursor or dopant for organic semiconductor materials in the preparation of conductive polymers or organic field-effect transistors (OFETs) | Thiophene backbone incorporated via chemical synthesis or electrochemical polymerization to tailor electronic structure and charge carrier mobility |
| Optoelectronic Materials | Employed as an active component in nonlinear optical materials or optical limiting devices | Bromine atoms leveraged to enhance molecular polarizability; thin films fabricated via solution processing or vacuum deposition |
| Flame-Retardant Materials | Applied as a brominated flame retardant additive to improve flame resistance of polymeric materials | Blended with or grafted onto polymer matrices; bromine releases radical scavengers during combustion |
| Organic Synthesis | Served as a key intermediate for constructing complex thiophene-based functional molecules | Functional group transformations performed via Suzuki coupling, Stille coupling, or nucleophilic substitution reactions |
Manufacturing Quality Control of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 280 nm based on peak area comparison against certified reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities (e.g., mono-, di-, tri-brominated analogs) using gradient HPLC and UV detection. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., THF, toluene, methanol) by gas chromatography with flame ionization detection against calibrated standards. |
| Heavy Metals | ICP-MS | Determines trace levels of toxic metals (Pb, Cd, Hg, As, Cr) via inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Quantifies chloride ions using suppressed conductivity detection after aqueous extraction and filtration. |
| Moisture Content | Karl Fischer Titration | Measures water content volumetrically using iodine-based redox titration in anhydrous methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary tube method per USP <741>. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against established reference standard. |
| Bulk Density | ASTM D1895 Method A | Measures mass per unit volume of freely settled powder using a calibrated cylinder and analytical balance. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size distribution in dry dispersion mode using Mie scattering theory and standardized calibration. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue after high-temperature combustion (700-750 C) followed by sulfuric acid treatment and weighing. |
| Organic Volatile Impurities (OVI) | GC-MS | Identifies and quantifies unknown or non-target volatile organic impurities using gas chromatography coupled with mass spectrometry. |
Technical Specifications of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
| Test Item | Specification |
|---|---|
| Appearance | Green solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 248–252°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| 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 3,3',5,5'-Tetrabromo-2,2'-bithiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
Safety Information of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 3,3',5,5'-Tetrabromo-2,2'-bithiophene
Industrial 3,3',5,5'-Tetrabromo-2,2'-bithiophene 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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