4-Bromobenzo[b]thiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5118-13-8 |
| Product name | 4-Bromobenzo[b]thiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 4-Bromobenzo[b]thiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Bromobenzo[b]thiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Bromobenzo[b]thiophene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Organic synthesis intermediate | Used to construct biologically active molecular scaffolds; participates in coupling reactions to prepare drug candidate compounds |
| Materials Science | Precursor for organic semiconductor materials | Polymerized via Suzuki or Ullmann coupling to produce conjugated polymers for organic thin-film transistors |
| Agrochemicals | Intermediate for agrochemicals | Acts as an aryl bromide in catalyzed cross-coupling reactions to synthesize thiophene-containing insecticides or herbicides |
| Fine Chemicals | Functionalization reagent | Introduces the 4-bromobenzo[b]thiophene group to modify dyes or optoelectronic functional molecules |
Manufacturing Quality Control of 4-Bromobenzo[b]thiophene
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible impurities in the sample under natural light or standard illumination. |
| Purity | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and detect the main peak area using a UV detector (e.g., 254 nm) to calculate purity. |
| Assay | Gas Chromatography (GC) or HPLC | Quantitative analysis of the target compound using internal or external standard methods; GC is suitable for volatile samples, while HPLC is more versatile. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Analyze characteristic peaks in ¹H-NMR and ¹³C-NMR spectra to confirm that the molecular structure matches the target compound. |
| Molecular Weight Confirmation | Mass Spectrometry (MS) | Determine molecular weight by detecting the molecular ion peak ([M]+ or [M+H]+) using electrospray ionization (ESI) or electron ionization (EI) mass spectrometry. |
| Residual Solvents | Gas Chromatography (GC) | Detect organic solvents possibly remaining from synthesis (e.g., methanol, ethanol, dichloromethane) using headspace sampling combined with GC/FID. |
| Moisture Content | Karl Fischer Titration | Accurately determine moisture content in the sample based on electrochemical titration principles; suitable for trace moisture analysis. |
| Melting Point | Melting Point Apparatus | Determine the initial and final melting temperatures using an automatic or capillary melting point apparatus to assess purity and consistency. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Detect residues of heavy metals such as lead, mercury, cadmium, and arsenic to ensure compliance with pharmacopeial or safety standards. |
| Residue on Ignition / Sulfated Ash | Ignition Residue Method | Weigh the residue after high-temperature incineration of the sample to evaluate the level of inorganic impurities. |
Technical Specifications of 4-Bromobenzo[b]thiophene
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 48–52°C |
| Identification (NMR) | Conforms to reference standard |
| Identification (IR) | Conforms to reference standard |
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 4-Bromobenzo[b]thiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Bromobenzo[b]thiophene
Packaging of 4-Bromobenzo[b]thiophene
Industrial 4-Bromobenzo[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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