Benzenesulfonamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 98-10-2 |
| Product name | Benzenesulfonamide |
| 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 Benzenesulfonamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Benzenesulfonamide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Benzenesulfonamide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antibacterial drug intermediates | Used as a key intermediate in sulfonamide drug synthesis, participating in condensation and substitution reactions to prepare bacteriostatic compounds |
| Agrochemicals | Synthesis of fungicides and plant growth regulators | Applied in the synthesis of sulfonylamide-containing agrochemicals; active functional groups are introduced via chemical modification to enhance biological activity |
| Dyes & Pigments | Intermediates for dyes and pigments | Participates in coupling reactions to generate colored compounds for the production of acid or direct dyes |
| Polymers & Materials | Polymer modifiers and stabilizers | Added to polymerization systems to improve thermal stability or serve as chain terminators to control polymerization kinetics |
| Organic Synthesis | Reagent for organic synthesis | Serves as a building block for sulfonamide functional units in laboratory- and industrial-scale multistep synthetic routes |
Manufacturing Quality Control of Benzenesulfonamide
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible foreign matter. Typically appears as white or off-white crystalline powder. |
| Identification | Infrared Spectroscopy (IR) | Compare the sample spectrum with a reference standard; confirm molecular structure by characteristic absorption peaks (e.g., S=O, N-H, aromatic C=C). |
| Purity/Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase column (e.g., C18) with UV detection (around 254 nm); quantify active ingredient using external or internal standard method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separate benzenesulfonamide and potential impurities (e.g., unreacted starting materials, by-products, degradation products) using gradient elution; calculate total impurity levels. |
| Melting Point | Capillary Melting Point Method | Determine initial and final melting temperatures using a melting point apparatus; used to assess compound purity and consistency. |
| Moisture Content | Karl Fischer Titration | Precisely measure water content in the sample; suitable for quality control where moisture sensitivity is critical. |
| Residual Solvents | Gas Chromatography (GC) | Detect organic solvents possibly remaining from manufacturing processes (e.g., methanol, ethanol, acetone, dichloromethane). |
| Sulfated Ash | Sulfated Residue Method | Sample is treated with sulfuric acid and then ignited at high temperature; residue is weighed to estimate inorganic impurity content. |
| Heavy Metals | Thioacetamide Method (Pharmacopoeia Method) | In acidic conditions, heavy metals react with thioacetamide to form colored sulfides; quantified by color comparison (usually expressed as lead equivalent). |
| Chlorides | Silver Nitrate Turbidity Test | Add silver nitrate to the sample solution to form turbidity due to silver chloride; compare with a standard solution to control inorganic salt impurities. |
Technical Specifications of Benzenesulfonamide
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 129–133°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 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 Benzenesulfonamide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Benzenesulfonamide
Packaging of Benzenesulfonamide
Industrial Benzenesulfonamide 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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