4-Ethylbenzene-1-sulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16712-69-9 |
| Product name | 4-Ethylbenzene-1-sulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum |
| 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-Ethylbenzene-1-sulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Ethylbenzene-1-sulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Ethylbenzene-1-sulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of sulfonamide-containing pharmaceuticals, such as anti-inflammatory and antitumor agents | Undergoes nucleophilic substitution with amines to yield corresponding sulfonamide derivatives |
| Agrochemical Intermediates | Serves as a key intermediate in the synthesis of sulfonylurea herbicides | Condenses with ureas under basic conditions to form the sulfonylurea bridge structure |
| Dye Industry | Acts as a precursor for linking groups in reactive dyes, enhancing dye-fiber bonding | Introduces sulfonyl chloride groups via chlorosulfonation, followed by coupling with dye intermediates |
| High-Performance Polymers | Used to produce high-temperature- and corrosion-resistant sulfonamide-based engineering plastics | Undergoes polycondensation with diamines to form poly-sulfonamide backbones |
Manufacturing Quality Control of 4-Ethylbenzene-1-sulfonyl chloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-ethylbenzenesulfonyl chloride by retention time and peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric titration based on the electrochemical reaction of iodine with water. |
| Acid Value | Acid-Base Titration with NaOH | Determines acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption measurement at characteristic wavelengths. |
| Sulfate Impurity | Ion Chromatography (IC) | Separates and quantifies sulfate anions using anion-exchange column and conductivity detection. |
| Free Sulfuric Acid | Acid-Base Titration with NaOH | Titration of residual sulfuric acid using standardized sodium hydroxide and potentiometric endpoint detection. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Compares sample color to APHA platinum-cobalt standard solutions using visual or UV-Vis absorbance at 455 nm. |
| Chloride Content | Potentiometric Titration with AgNO3 | Measures chloride ions via silver nitrate titration with silver electrode detection of the endpoint. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detects low-boiling organic impurities by gas-phase equilibration followed by GC-FID analysis. |
| Melting Point | Capillary Melting Point Determination | Determines solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Organic Volatile Impurities (Residual Solvents) | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies residual solvents by retention time and mass spectral library matching. |
Technical Specifications of 4-Ethylbenzene-1-sulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.22–1.24 g/cm³ |
| Odor | Characteristic pungent odor |
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-Ethylbenzene-1-sulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Ethylbenzene-1-sulfonyl chloride
Safety Information of 4-Ethylbenzene-1-sulfonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-Ethylbenzene-1-sulfonyl chloride
Industrial 4-Ethylbenzene-1-sulfonyl 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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