1,3-Benzenedisulfonyl Chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 585-47-7 |
| Product name | 1,3-Benzenedisulfonyl Chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 1,3-Benzenedisulfonyl Chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Benzenedisulfonyl Chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Benzenedisulfonyl Chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in drug synthesis for constructing sulfonamide compounds | Reacts with amines to form sulfonamide bonds, contributing to active molecular scaffold assembly |
| Pesticides | Synthesis of herbicides or fungicides containing sulfonyl groups | Introduces sulfonyl chloride groups via nucleophilic substitution to enhance biological activity |
| Dyes | Intermediate in dye synthesis, used in azo or anthraquinone dye production | Condenses with aromatic amines to form sulfonamide bridging structures, adjusting hue and fastness |
| Polymers | Crosslinking agent or functional monomer for polymer modification | Reacts with amino- or hydroxyl-containing polymers to introduce sulfonyl groups, improving thermal stability or hydrophilicity |
| Organic Synthesis | Multifunctional acylating reagent for protecting group introduction or functional group transformation | Selectively sulfonates alcohols, amines, and other functional groups under mild conditions |
Manufacturing Quality Control of 1,3-Benzenedisulfonyl Chloride
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with acetonitrile-water or methanol-water as the mobile phase, and a UV detector (e.g., 254 nm) to quantify the main component and assess sample purity. |
| Assay | Titration (e.g., acid-base titration after alkaline hydrolysis) | The sample is hydrolyzed under alkaline conditions to form sulfonate salts, followed by back-titration of excess base with a standard acid solution to calculate available chlorine or main component content. |
| Moisture Content | Karl Fischer Titration | Utilizes Karl Fischer reagent, which reacts quantitatively with water in the sample. The endpoint is determined potentiometrically or amperometrically for precise measurement of trace moisture levels. |
| Residual Solvents | Gas Chromatography (GC) | Employs headspace or direct injection with polar or non-polar capillary columns and an FID detector to analyze residual organic solvents (e.g., dichloromethane, toluene). |
| Appearance and Color | Visual Color Comparison Method | The sample's color is compared visually with standard color solutions under specified lighting conditions to determine compliance (typically should be white to off-white crystals). |
| Melting Point | Capillary Melting Point Determination | The melting range (from initial to complete melting) is measured using a melting point apparatus and compared with the standard value (approximately 90–95°C, depending on literature) to evaluate crystalline purity. |
| Free Chlorine / Available Chlorine | Iodometric Method | Active chlorine in the sample oxidizes potassium iodide to release iodine, which is then titrated with standardized sodium thiosulfate solution to calculate the available chlorine content. |
| Related Substances (Impurities) | HPLC or GC-MS | Impurity profiling is performed using high-performance liquid chromatography or gas chromatography-mass spectrometry to separate and identify potential by-products (e.g., monosulfonyl chloride, hydrolysis products). |
Technical Specifications of 1,3-Benzenedisulfonyl Chloride
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 62-66°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 1,3-Benzenedisulfonyl Chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-Benzenedisulfonyl Chloride
Safety Information of 1,3-Benzenedisulfonyl Chloride
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-Benzenedisulfonyl Chloride
Industrial 1,3-Benzenedisulfonyl 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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