4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 28469-73-0 |
| Product name | 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing and Printing | Dye intermediates | - |
| Pharmaceuticals | Production of pharmaceutical intermediates | - |
| Papermaking | Production of paper treatment agents | - |
| Surfactants | Production of specialty surfactants | - |
| Metalworking | Corrosion inhibitors for metal protection | - |
Manufacturing Quality Control of 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Na salt content) | Acid-base titration | Titration with standardized HCl after hydrolysis to determine sodium salt equivalent based on stoichiometric neutralization. |
| pH (1% aqueous solution) | pH meter measurement | Direct measurement of hydrogen ion activity in a 1% w/v aqueous solution using calibrated pH electrode. |
| Water content | Karl Fischer titration | Quantitative determination of water by reaction with iodine and sulfur dioxide in pyridine-methanol medium. |
| Heavy metals (as Pb) | Atomic absorption spectroscopy (AAS) | Measurement of absorbance at characteristic wavelengths after acid digestion and matrix matching. |
| Sulfate impurity | Ion chromatography (IC) | Separation and quantification of sulfate anion using suppressed conductivity detection. |
| Chloride impurity | Potentiometric titration with AgNO3 | Titration with silver nitrate using silver indicator electrode to detect endpoint via potential change. |
| Residue on ignition | Gravimetric analysis | Weighing of non-volatile residue remaining after high-temperature ashing at 550-600 C. |
| Organic impurities (related substances) | HPLC-UV | Separation on reversed-phase column with UV detection at 254 nm, relative to reference standard. |
| Iron (Fe) content | Inductively coupled plasma optical emission spectrometry (ICP-OES) | Atomization and excitation in argon plasma; detection via element-specific emission lines. |
| Appearance (color and clarity) | Visual inspection | Comparison against water and platinum-cobalt standards under controlled lighting and viewing conditions. |
| Solubility in water | Qualitative dissolution test | Observation of complete dissolution in specified volume of water at 20 C with no visible residue or haze. |
| Loss on drying | Thermogravimetric analysis (TGA) | Measurement of mass loss upon heating to 105 C for 2 hours under controlled airflow. |
Technical Specifications of 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.2% |
| Heavy Metals | <=10 ppm |
| Melting Point | 245-250 °C |
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-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE
Industrial 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT HYDRATE 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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