2-Thiophenesulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16629-19-9 |
| Product name | 2-Thiophenesulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 2-Thiophenesulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Thiophenesulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Thiophenesulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of thiophene sulfonamide drug intermediates | Acylation, condensation |
| Pesticides | Synthesis of thiophene-containing insecticides or herbicides | Sulfonylation, coupling |
| Dyes | Preparation of thiophene-based azo dyes or functional dyes | Diazotization-coupling, sulfonyl chloride derivatization |
| Organic Synthesis | Construction of sulfonyl-substituted thiophene structural units | Nucleophilic substitution, Suzuki coupling, etc. |
| Materials Science | Synthesis of functional polymers or monomers for optoelectronic materials | Polymer precursor modification, functional group introduction |
Manufacturing Quality Control of 2-Thiophenesulfonyl chloride
| 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. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residual Solvents | Gas Chromatography (GC) with FID or MS detection | Separation and quantification of volatile organic impurities using headspace or direct injection GC. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralization of acidic impurities (e.g., residual sulfonic acids) using phenolphthalein indicator or potentiometric endpoint detection. |
| Chloride Ion Impurity | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column followed by quantitative detection via electrical conductivity. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element detection based on mass-to-charge ratio after high-temperature plasma atomization and ionization. |
| Sulfate Impurity | Ion Chromatography (IC) with conductivity detection | Quantitative analysis of sulfate anion after separation on an anion-exchange column. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against a white background under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary tube method per USP <741>. |
| Organic Volatile Impurities (Total) | Gas Chromatography (GC) with FID | Sum of all detectable volatile organic compounds eluting before the main analyte peak, calculated as area percent. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C in a platinum crucible. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral impurities or degradation products in solution. |
Technical Specifications of 2-Thiophenesulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 45–49°C |
| Identification (NMR) | Consistent with structure |
| Odor | Pungent, characteristic |
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-Thiophenesulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Thiophenesulfonyl chloride
Packaging of 2-Thiophenesulfonyl chloride
Industrial 2-Thiophenesulfonyl 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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