Sodium 2-hydroxybenzenesulfonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1300-51-2 |
| Product name | Sodium 2-hydroxybenzenesulfonate |
| 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 Sodium 2-hydroxybenzenesulfonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium 2-hydroxybenzenesulfonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium 2-hydroxybenzenesulfonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Active pharmaceutical ingredient (API) precursor | Produced via reaction of phenol with sulfuric acid |
| Dye Industry | Dye production | Used in the synthesis of certain dye intermediates |
| Pesticide Industry | Pesticide formulation | Employed as a raw material for pesticide synthesis |
| Surfactants | Surfactant production | Applied in the manufacture of specific surfactant types |
| Chemical Feedstock | Synthesis of other chemicals | Served as a starting material for the synthesis of other chemicals |
Manufacturing Quality Control of Sodium 2-hydroxybenzenesulfonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (NaC6H5O3S content) | Acid-Base Titration | Neutralization of sulfonate group with standardized HCl after acidification and back-titration with NaOH. |
| Moisture Content | Karl Fischer Titration | Quantitative reaction of water with iodine and sulfur dioxide in pyridine/methanol medium, monitored electrometrically. |
| pH of 1% Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity using calibrated glass electrode in a defined aqueous solution. |
| Water Insolubles | Gravimetric Analysis | Filtration of aqueous solution through pre-weighed sintered glass crucible, drying and weighing residue. |
| Chloride (Cl-) | Argentometric Titration (Mohr method) | Precipitation titration using AgNO3 with K2CrO4 indicator; endpoint signaled by red Ag2CrO4 formation. |
| Sulfate (SO4^2-) | Gravimetric Analysis as BaSO4 | Precipitation with BaCl2 in acidic medium, ignition and weighing of dried BaSO4 precipitate. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion by measuring absorbance at characteristic wavelength. |
| Iron (Fe) | UV-Vis Spectrophotometry (1,10-Phenanthroline method) | Formation of orange-red Fe(II)-phenanthroline complex measured at ~510 nm. |
| Sodium (Na+) | Flame Photometry | Excitation of sodium atoms in flame and measurement of emitted light intensity at 589 nm. |
| Organic Impurities (Related Substances) | HPLC with UV Detection | Separation on reversed-phase column and quantification via UV absorption relative to reference standard. |
| Color (APHA) | Visual Comparison or Spectrophotometric Method | Comparison of sample solution color against platinum-cobalt standard solutions or measurement of absorbance at 455 nm. |
| Bulk Density | Graduated Cylinder Method | Mass of material freely poured into calibrated cylinder divided by its volume. |
Technical Specifications of Sodium 2-hydroxybenzenesulfonate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Freely soluble in water; insoluble in chloroform and ether |
| Color (APHA/Pt-Co) | <=50 |
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 Sodium 2-hydroxybenzenesulfonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of Sodium 2-hydroxybenzenesulfonate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Sodium 2-hydroxybenzenesulfonate
Industrial Sodium 2-hydroxybenzenesulfonate 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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