2-Nitrobenzenesulfonamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5455-59-4 |
| Product name | 2-Nitrobenzenesulfonamide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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-Nitrobenzenesulfonamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Nitrobenzenesulfonamide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Nitrobenzenesulfonamide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an organic synthesis intermediate in the preparation of antibacterial agents, anti-inflammatory drugs, and other sulfonamide-containing pharmaceuticals | Introduced into the target molecular scaffold via nucleophilic substitution or reduction reactions |
| Agrochemicals | Used as an agrochemical intermediate in the synthesis of biologically active sulfonylurea herbicides or fungicides | Active molecules are constructed through diazotization, coupling, or condensation reactions |
| Dyes | Used as a dye intermediate in the synthesis of specific-structure azo dyes or functional colorants | Chromophore construction is achieved via diazonium salt coupling or sulfonation modification |
| Organic Synthesis | Used as a protecting reagent (e.g., for amino group protection) or directing group to control reaction selectivity in complex molecule synthesis | Enables regio- or stereoselective control in multistep syntheses by leveraging its strong electron-withdrawing character and cleavability |
Manufacturing Quality Control of 2-Nitrobenzenesulfonamide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of water with iodine and sulfur dioxide in a methanol-pyridine medium. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic impurities by high-temperature ashing followed by weighing of residual ash. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion, measured via flame or graphite furnace AAS at element-specific wavelengths. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium, followed by filtration, drying, and gravimetric determination. |
| Related Substances | HPLC-DAD | Separation and identification of structurally related impurities using HPLC with diode-array detection and comparison to reference standards. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range over which solid-to-liquid phase change occurs under controlled heating. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using capillary GC with flame ionization detection. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator; calculated as mg KOH per g sample. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Measurement of mass loss upon heating under controlled conditions to determine volatile content including solvent and moisture. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution in dry or wet dispersion. |
Technical Specifications of 2-Nitrobenzenesulfonamide
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 124–128 °C |
| Total Impurities | <=2.0% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | 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 2-Nitrobenzenesulfonamide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Nitrobenzenesulfonamide
Packaging of 2-Nitrobenzenesulfonamide
Industrial 2-Nitrobenzenesulfonamide 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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