4-Chloro-3-pyridinesulfonamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 33263-43-3 |
| Product name | 4-Chloro-3-pyridinesulfonamide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeReagent 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-pyridinesulfonamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Chloro-3-pyridinesulfonamide 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-pyridinesulfonamide
| Industry | Application | Process |
|---|---|---|
| Pesticides | Insecticide intermediate | Used in the synthesis of sulfonamide-containing insecticidal compounds |
| Pharmaceuticals | Pharmaceutical synthesis intermediate | Applied in constructing pyridine ring-containing drug molecules |
| Dyes | Dye synthesis intermediate | Employed to introduce sulfonamide groups for dye performance modification |
| Chemical Research | Laboratory reagent | Utilized in organic synthesis methodology development |
Manufacturing Quality Control of 4-Chloro-3-pyridinesulfonamide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., starting materials, intermediates, degradants) relative to main peak using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., methanol, acetone, DMF) based on calibrated response factors. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine trace water content based on stoichiometric reaction with iodine and sulfur dioxide. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry for sub-ppb sensitivity. |
| Chloride Content | Ion Chromatography | Separation and conductivity detection of chloride ions after sample dissolution and filtration; quantified against chloride standard calibration. |
| Sulfonamide Content | Acid-Base Titration | Back-titration of excess standardized NaOH after alkaline hydrolysis to liberate sulfamic acid, followed by HCl titration. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern to calculate volume-based particle size distribution (D10, D50, D90). |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder in a graduated cylinder under standardized conditions. |
| Loss on Drying | Gravimetric Analysis | Weight loss after drying at 105 C for 2 hours under forced-air oven, indicating volatile and moisture content. |
| Residue on Ignition | Gravimetric Ashing | Mass of non-volatile inorganic residue remaining after high-temperature (600–750 C) ashing of sample in platinum crucible. |
Technical Specifications of 4-Chloro-3-pyridinesulfonamide
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 162°C - 166°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
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-pyridinesulfonamide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Chloro-3-pyridinesulfonamide
Safety Information of 4-Chloro-3-pyridinesulfonamide
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-Chloro-3-pyridinesulfonamide
Industrial 4-Chloro-3-pyridinesulfonamide 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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