4-Ethylbenzenesulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 98-69-1 |
| Product name | 4-Ethylbenzenesulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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-Ethylbenzenesulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Ethylbenzenesulfonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Ethylbenzenesulfonic acid
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Catalyst | Used in acid-catalyzed reactions such as esterification and acetalization, serving as a strong Brønsted acid alternative to conventional sulfuric acid or p-toluenesulfonic acid |
| Pharmaceutical Intermediates | Intermediate for synthesizing anti-inflammatory drugs and antimicrobial agents | Applied in Friedel–Crafts alkylation or sulfonyl chloride conversion steps to construct ethylbenzenesulfonyl-containing active molecules |
| Dyes and Pigments | Stabilizer for diazo components in azo dyes and reagent for introducing sulfonic acid groups | Employed in diazotization–coupling processes to control pH and introduce sulfonic acid groups, thereby enhancing water solubility and fiber affinity |
| Polymer Materials | Cationic polymerization initiator | Provides a strongly acidic environment to activate monomers in ring-opening polymerization of epoxy resins and cyclic ethers (e.g., tetrahydrofuran) |
Manufacturing Quality Control of 4-Ethylbenzenesulfonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies active acid content by neutralization with standardized NaOH solution using phenolphthalein indicator. |
| Water Content | Karl Fischer Titration | Measures trace water via iodine-sulfur dioxide redox reaction in methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic impurities by weighing residue after high-temperature ashing. |
| Heavy Metals | ICP-OES | Quantifies metallic impurities (e.g., Pb, Cd, Hg) based on element-specific atomic emission intensities. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitates sulfate as BaSO4 and determines mass after filtration and drying. |
| Related Substances | HPLC-UV | Separates and quantifies structurally related impurities using reversed-phase chromatography and UV detection. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard reference under controlled lighting. |
| Acid Value | Acid-Base Titration | Determines total acidic groups (mg KOH/g) by titration with standardized KOH in ethanol. |
| Organic Volatile Impurities | GC-FID | Identifies and quantifies residual solvents using gas chromatography with flame ionization detection. |
| Bulk Density | Graduated Cylinder Method | Measures mass per unit volume of freely settled powder in a calibrated cylinder. |
Technical Specifications of 4-Ethylbenzenesulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | Viscous brown liquid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 48–52°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Acid Value (mg KOH/g) | 360–380 mg KOH/g |
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-Ethylbenzenesulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Ethylbenzenesulfonic acid
Packaging of 4-Ethylbenzenesulfonic acid
Industrial 4-Ethylbenzenesulfonic acid 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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