4-Chlorobenzenesulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 98-60-2 |
| Product name | 4-Chlorobenzenesulfonyl 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 4-Chlorobenzenesulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Chlorobenzenesulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Chlorobenzenesulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of sulfonamide drugs and other pharmaceutical intermediates | Used as an acylating agent in sulfonamide bond formation |
| Pesticides | Synthesis of active ingredients for herbicides, fungicides, and other pesticides | Condensation with amines or phenols to construct sulfonyl functional groups |
| Dyes | Preparation of azo dye and reactive dye intermediates | Coupling of the sulfonyl chloride group with aromatic amines to introduce sulfonyl functionality |
| Polymers | Modification of polymers or synthesis of crosslinking agents | Reaction with amino- or hydroxyl-containing polymers to achieve functionalization |
| Organic Synthesis | General sulfonating agent for constructing sulfonyl chloride/sulfonamide structures | Nucleophilic substitution with alcohols, amines, and other nucleophiles under basic conditions |
Manufacturing Quality Control of 4-Chlorobenzenesulfonyl chloride
| Test Item | Common Test Method | Method Summary |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible impurities under natural or standard lighting. Typically appears as a white to off-white crystalline powder. |
| Assay (Purity) | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column and a UV detector (e.g., 254 nm). The assay is performed via external standard method or area normalization to determine the content of the main component. |
| Moisture Content | Karl Fischer Titration | Measures water content based on the quantitative reaction of iodine and sulfur dioxide with water in an anhydrous environment. Suitable for trace moisture determination. |
| Chlorine Content | Elemental Analysis or Oxygen Flask Combustion-Silver Nitrate Method | Organic chlorine is converted to chloride ions via oxygen flask combustion, followed by titration with standardized silver nitrate solution to calculate total chlorine content, confirming structural consistency. |
| Melting Point | Melting Point Determination (Capillary Method) | Determines the temperature range at which the sample transitions from solid to liquid using a melting point apparatus. Used to assess purity and identify substance characteristics. Typical melting point is approximately 60–65°C (literature values may vary slightly). |
| Residual Solvents | Gas Chromatography (GC) | Detects organic solvents possibly remaining from manufacturing (e.g., toluene, dichloromethane) in accordance with ICH guidelines, using an FID detector. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Employs gradient elution to separate the main peak from impurity peaks, detecting and quantifying impurities such as 4-chlorobenzenesulfonic acid, unreacted starting materials, or other by-products. |
| Acid Value / Free Acid | Acid-Base Titration | Dissolves the sample in a suitable solvent (e.g., ethanol) and titrates free acid content with standardized sodium hydroxide solution, indicating the degree of hydrolysis. |
Technical Specifications of 4-Chlorobenzenesulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | White to Almost white powder to crystal |
| Purity | ≥98.5% |
| free | ≤0.3% |
| Single impurity | ≤0.2% |
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-Chlorobenzenesulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Chlorobenzenesulfonyl chloride
Safety Information of 4-Chlorobenzenesulfonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-Chlorobenzenesulfonyl chloride
Industrial 4-Chlorobenzenesulfonyl 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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