2,3-Dichlorothiophene-5-sulphonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 126714-85-0 |
| Product name | 2,3-Dichlorothiophene-5-sulphonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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 2,3-Dichlorothiophene-5-sulphonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Dichlorothiophene-5-sulphonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,3-Dichlorothiophene-5-sulphonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pesticides | Key intermediate in the synthesis of the fungicide thiabendazole | Used to prepare thiabendazole via cyclization with o-phenylenediamine, followed by oxidation |
| Pharmaceuticals | Structural building block for antifungal agents and certain vasoactive compounds | Serves as a heterocyclic building block in multistep organic synthesis, including nucleophilic substitution and metal-catalyzed coupling reactions |
| Materials Science | Potential precursor for organic semiconductor materials, employed in conjugated polymer synthesis | Integrated into thiophene-based frameworks via Suzuki or Stille coupling to tune optoelectronic properties |
Manufacturing Quality Control of 2,3-Dichlorothiophene-5-sulphonyl chloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and peak area normalization. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., acetone, methanol, dichloromethane). |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Chloride Ion Impurity | Ion Chromatography (IC) | Separation of anions on anion-exchange column with conductivity detection; chloride quantified using external calibration. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification after acid digestion using inductively coupled plasma mass spectrometry with isotope dilution or external calibration. |
| Sulfate Residue | Ion Chromatography (IC) | Determination of sulfate anion after sample dissolution and filtration, using suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range at which solid transforms to liquid. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against standard reference. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator or potentiometric endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue determined after high-temperature ashing at 700-800 C and cooling in desiccator. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser scattering principle to calculate volume-based particle size distribution. |
Technical Specifications of 2,3-Dichlorothiophene-5-sulphonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 112.0–116.0 °C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 2,3-Dichlorothiophene-5-sulphonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 2,3-Dichlorothiophene-5-sulphonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,3-Dichlorothiophene-5-sulphonyl chloride
Industrial 2,3-Dichlorothiophene-5-sulphonyl chloride 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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