2,3-Dichlorobenzenesulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 82417-45-6 |
| Product name | 2,3-Dichlorobenzenesulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 2,3-Dichlorobenzenesulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Dichlorobenzenesulfonyl 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-Dichlorobenzenesulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pesticides | Synthesis of herbicide intermediates | Used as a key intermediate in the synthesis of chlorinated aromatic herbicides, enabling construction of the active molecular structure via nucleophilic substitution or coupling reactions |
| Pharmaceuticals | Pharmaceutical intermediate | Employed in the synthesis of biologically active drug molecules, participating in the preparation of sulfonamide- or sulfonate-based compounds |
| Dyes & Pigments | Organic pigment and dye synthesis | Acts as a bifunctional reagent for sulfonation and chlorination in aromatic ring modification, enhancing photostability and color fastness of dyes |
| Fine Chemicals | Raw material for functional chemicals | Utilized in the production of specialty surfactants and polymer modifiers, where its reactive chlorine atoms enable chemical grafting or crosslinking |
Manufacturing Quality Control of 2,3-Dichlorobenzenesulfonyl 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. |
| 2,3-Dichlorobenzenesulfonyl chloride identity | Fourier Transform Infrared Spectroscopy (FTIR) | Confirmation via characteristic absorption bands corresponding to S=O, C-Cl, and aromatic C-H functional groups. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Detection and quantification of volatile organic solvents (e.g., dichloromethane, toluene) by equilibrium partitioning into headspace gas phase. |
| Moisture Content | Karl Fischer Titration (coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration (NaOH in methanol) | Neutralization of acidic impurities (e.g., sulfonic acids) with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element quantitative analysis after acid digestion, based on element-specific atomic emission intensities. |
| Chloride Ion Impurity | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column followed by quantitative detection via changes in eluent conductivity. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measurement of non-volatile inorganic residue remaining after controlled high-temperature ashing at 550-600 C. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature range using calibrated capillary tube method per USP <741>. |
| Appearance | Visual Inspection (against white/black background) | Assessment of physical state, color, and presence of particulates or phase separation under controlled lighting conditions. |
| Organic Impurities (related substances) | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally related compounds (e.g., mono-chloro isomers, sulfonic acid) using reversed-phase C18 column and UV absorbance at 254 nm. |
| Sulfur Content | Combustion IC (Ion Chromatography after combustion) | Quantification of total sulfur as sulfate after high-temperature combustion in oxygen-rich atmosphere and subsequent IC analysis. |
Technical Specifications of 2,3-Dichlorobenzenesulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 62–66°C |
| 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 2,3-Dichlorobenzenesulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,3-Dichlorobenzenesulfonyl chloride
Safety Information of 2,3-Dichlorobenzenesulfonyl chloride
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,3-Dichlorobenzenesulfonyl chloride
Industrial 2,3-Dichlorobenzenesulfonyl 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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