EPPS Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16052-06-5 |
| Product name | EPPS |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 EPPS
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk EPPS Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of EPPS
| Industry | Application | Process |
|---|---|---|
| Biotechnology | Used as a buffer to maintain pH stability | Applied in biochemical experiments to ensure consistent reaction conditions by controlling solution pH |
| Pharmaceuticals | Used as a stabilizer in drug formulation | Added to pharmaceutical formulations to maintain the stability of active pharmaceutical ingredients within a specified pH range |
| Analytical Chemistry | Used for mobile phase adjustment in chromatographic analysis | Adjusts mobile phase pH to optimize separation performance |
| Enzymology Research | Serves as a buffering system in enzyme activity assays | Provides an appropriate pH environment for enzymatic reactions to proceed reliably |
| Cell Culture | Maintains pH stability in cell growth media | Added to cell culture media to sustain the pH conditions required for optimal cell growth |
| Immunological Assays | Provides buffering capacity in immunoassays such as ELISA | Used for sample or antibody dilution while maintaining an optimal pH to facilitate antigen-antibody binding |
Manufacturing Quality Control of EPPS
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies main component by titration with standardized NaOH using phenolphthalein indicator, based on acidic sulfonic group. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric reaction between water and iodine in pyridine/methanol medium. |
| pH (1% aqueous solution) | pH Potentiometry | Determines hydrogen ion activity using calibrated pH electrode in standardized aqueous solution. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by weighing residue after high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | Colorimetric Sulfide Precipitation | Detects trace heavy metals by formation of colored metal sulfide complexes under controlled pH. |
| Chloride | Potentiometric Titration | Quantifies chloride ions by titration with AgNO3 using silver indicator electrode. |
| Sulfate | Barium Sulfate Gravimetry | Precipitates sulfate as BaSO4 and determines mass after filtration and drying. |
| Related Substances | HPLC-UV | Separates and quantifies structurally similar impurities using reversed-phase column and UV detection at 200-220 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary method. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard white background under controlled lighting. |
| Solubility in Water | Qualitative Solubility Test | Evaluates complete dissolution in specified volume of water at defined temperature and time. |
| Iron (Fe) | Atomic Absorption Spectroscopy (AAS) | Quantifies iron content by measuring absorbance of ground-state Fe atoms at characteristic wavelength (248.3 nm). |
Technical Specifications of EPPS
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Freely soluble in water; slightly soluble in ethanol |
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 EPPS
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of EPPS
Packaging of EPPS
Industrial EPPS 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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