3,4-Dibromothiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3141-26-2 |
| Product name | 3,4-Dibromothiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeElectronic GradeMaterial GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 3,4-Dibromothiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-Dibromothiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-Dibromothiophene
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic intermediate for preparing bioactive thiophene compounds, including precursors to anti-inflammatory, antitumor, or antiviral agents | Thiophene structural units are introduced via Suzuki coupling, Stille coupling, or other cross-coupling reactions |
| Electronic Materials | Used to synthesize conductive polymers (e.g., polythiophene derivatives) and organic semiconductor materials | Conjugated polymer backbones are constructed via metal-catalyzed coupling polymerization (e.g., Kumada, Negishi, or Grignard polymerization) |
| Agrochemicals | Used as an intermediate in the development of novel insecticides or herbicides | Target molecular frameworks are built through halogen–metal exchange followed by reaction with electrophiles |
| Organic Synthesis | Used as a versatile synthon for constructing complex thiophene derivatives | Selective functionalization (e.g., mono- or disubstitution) is achieved by exploiting the differential reactivity of the two bromine atoms |
Manufacturing Quality Control of 3,4-Dibromothiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic impurities are equilibrated in headspace vial and quantified by GC-FID or GC-MS using internal standard calibration. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected amperometrically. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Elemental quantification via atomic emission intensity at characteristic wavelengths after acid digestion and nebulization. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column followed by quantitative detection based on electrical conductivity of eluted chloride ions. |
| Residual Bromine (Br2) | Redox Titration with Sodium Thiosulfate | Free bromine oxidizes iodide to iodine, which is then titrated with standardized sodium thiosulfate using starch indicator. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature at which solid phase changes to liquid under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or cloudiness against specified acceptance criteria. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Non-Volatile Residue | Gravimetric Analysis | Residue mass determined after evaporation of sample under controlled temperature and vacuum, followed by drying and weighing. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally related impurities using reversed-phase C18 column and UV absorbance at 254 nm. |
| Sulfated Ash | Gravimetric Analysis after Sulfuric Acid Treatment | Sample charred, treated with sulfuric acid, ignited at 700-800 C, and residue weighed as inorganic sulfate ash. |
Technical Specifications of 3,4-Dibromothiophene
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | -15 to -10 °C |
| Refractive Index (n20/D) | 1.620–1.630 |
| Identification (NMR) | Consistent with structure |
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 3,4-Dibromothiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,4-Dibromothiophene
Packaging of 3,4-Dibromothiophene
Industrial 3,4-Dibromothiophene 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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