4-Chloro-3-nitrobenzenesulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 97-08-5 |
| Product name | 4-Chloro-3-nitrobenzenesulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-Chloro-3-nitrobenzenesulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Chloro-3-nitrobenzenesulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Chloro-3-nitrobenzenesulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Dye intermediate | Used in the synthesis of azo dyes and disperse dyes, as well as their intermediates (e.g., 4-chloro-3-nitrobenzenesulphonamide), via sulfonyl chloride formation, followed by ammonolysis or coupling reactions to produce final dyes. |
| Agrochemical Industry | Agrochemical intermediate | Used in the synthesis of sulfonylurea herbicides or other agrochemical active ingredients containing a sulfonyl chloride moiety, serving as a key structural scaffold in condensation reactions. |
| Pharmaceutical Industry | Pharmaceutical intermediate | Used in the synthesis of sulfonamide drugs or other pharmaceutical molecules containing a benzenesulfonyl group, enabling sulfonation reactions with amine compounds via its reactive functional group. |
| Organic Synthesis | Aldehyde protecting agent | Used as a protecting reagent for phenolic hydroxyl or amino groups in organic synthesis, forming sulfonate esters or sulfonamides to mask these functionalities. |
Manufacturing Quality Control of 4-Chloro-3-nitrobenzenesulfonyl chloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent, measuring endpoint potentiometrically. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents by gas chromatography with flame ionization detection using a polar capillary column. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, based on atomic emission intensities at characteristic wavelengths in an inductively coupled plasma. |
| Chloride Impurities (e.g., HCl, Cl-) | Acid-Base Titration | Titration of acidic chloride species with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Sulfate Impurities | Gravimetric Analysis | Precipitation of sulfate as barium sulfate under controlled conditions, followed by filtration, drying, and weighing. |
| Nitro Group Content | Reduction-Titration (Zn/HCl + KMnO4) | Reduction of nitro group to amino group, diazotization, and back-titration of excess nitrite with potassium permanganate. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against a white background. |
| Organic Volatile Impurities (other than solvents) | GC-MS | Identification and semi-quantification of unknown volatile impurities via gas chromatography coupled with mass spectrometry. |
| Acid Value | Acid-Base Titration | Titration of acidic functional groups with standardized KOH in ethanol, using phenolphthalein indicator. |
| Particle Size Distribution | Laser Diffraction | Measurement of scattered laser light intensity from dispersed particles to calculate size distribution based on Mie theory. |
Technical Specifications of 4-Chloro-3-nitrobenzenesulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.0% (by GC-MS) |
| Melting Point | 75–79°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 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 4-Chloro-3-nitrobenzenesulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Chloro-3-nitrobenzenesulfonyl chloride
Safety Information of 4-Chloro-3-nitrobenzenesulfonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-Chloro-3-nitrobenzenesulfonyl chloride
Industrial 4-Chloro-3-nitrobenzenesulfonyl 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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