5-CHLORO-3-METHYLBENZO[B]THIOPHENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 19404-18-3 |
| Product name | 5-CHLORO-3-METHYLBENZO[B]THIOPHENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-CHLORO-3-METHYLBENZO[B]THIOPHENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for bioactive molecules or drug candidates | Used as an organic building block in reactions such as Suzuki coupling and Buchwald-Hartwig amination |
| Materials Science | Preparation of organic functional materials, including electron-transport or emissive layer materials for organic light-emitting diodes (OLEDs) | Applied as a conjugated polymer monomer in photonic and electronic material synthesis via polymerization or functionalization |
| Pesticides | Synthesis of agrochemical intermediates for insecticide or herbicide development | Employed as a heterocyclic structural unit; active functional groups are introduced via halogenation, alkylation, and related reactions |
| Research | Chemical reagent for organic methodology or medicinal chemistry research | Used in laboratory-scale synthesis and reaction exploration, including functionalization studies of thiophene ring systems |
Manufacturing Quality Control of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification by retention time matching and relative response factors. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents based on calibrated external standards. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generation in pyridine-free reagent; water reacts stoichiometrically with iodine and sulfur dioxide. |
| Heavy Metals | ICP-OES | Multi-element determination after acid digestion; metals emit characteristic wavelengths upon plasma excitation. |
| Chloride Ion Impurity | Ion Chromatography | Separation of anions on a high-capacity anion-exchange column with suppressed conductivity detection. |
| Sulfur Content | Combustion IC | High-temperature combustion converts sulfur to sulfate, followed by ion chromatographic quantification. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or via automated optical detection as solid transforms to liquid. |
| Appearance | Visual Inspection | Assessment under controlled white light against standard color/opacity references in a clear glass container. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing (700-800 C) of sample in platinum crucible. |
| Bulk Density | Tap Density Measurement | Mass per unit volume after standardized mechanical tapping of a powder sample in a calibrated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution based on Mie theory. |
Technical Specifications of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
| Test Item | Specification |
|---|---|
| Appearance | White to yellow or orange crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 78–82°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
Safety Information of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE
Industrial 5-CHLORO-3-METHYLBENZO[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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