China Factory Direct
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| CAS number | 133745-75-2 |
| Product name | N-Fluorobenzenesulfonimide |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Fluorinating reagent | Introduces fluorine atoms into organic molecules; employed in electrophilic fluorination reactions to synthesize fluorinated pharmaceutical intermediates |
| Agrochemicals | Synthetic intermediate | Serves as a fluorine source in the synthesis of fluorinated active ingredients, such as insecticides and herbicides |
| Materials science | Functional material synthesis | Used in fluorination steps for preparing fluorinated polymers or functionalized surface modifications |
| Organic synthesis | Selective fluorinating agent | Enables selective fluorination of alcohols, carbonyl compounds, and other functional groups in laboratory-scale synthesis |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 220-254 nm, comparing peak area against a certified reference standard. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., dichloromethane, ethyl acetate) using capillary GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent, measuring endpoint potentiometrically. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion, using inductively coupled plasma optical emission spectroscopy for metals such as Pb, Cd, Hg, and As. |
| Residual Inorganic Salts (e.g., Na+, K+) | ICP-OES | Quantification of alkali and alkaline earth metal impurities following microwave-assisted acid digestion and plasma emission analysis. |
| Acid-Base Impurities | Acid-Base Potentiometric Titration | Titration with standardized NaOH or HCl to detect acidic or basic impurities based on pH inflection points. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size via light scattering pattern measurement and Mie theory calculation. |
| Organic Impurities (Related Substances) | HPLC-UV | Identification and quantification of structurally related compounds using gradient HPLC with UV detection and reference standards. |
| Fluorine Content | Ion Chromatography (IC) with Conductivity Detection | Separation of fluoride ions after alkaline fusion or acid hydrolysis, followed by anion exchange and conductivity detection. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder using a calibrated cylinder and balance. |
| Loss on Drying (LOD) | Gravimetric Analysis | Weight loss measured after drying under controlled temperature and vacuum conditions per USP <731>. |
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128-132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Identification (NMR) | Conforms to reference spectrum |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.