China Factory Direct
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| CAS number | 68189-43-5 |
| Product name | POPSO |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeCosmetic GradeFood 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an intermediate in drug synthesis | Piperazine structural modification |
| Analytical Chemistry | Used in the preparation of buffer solutions | Acid-base neutralization |
| Biotechnology | Used as an additive in protein crystallization | Crystallization assistance |
| Environmental Protection | Used as a chelating agent in wastewater treatment | Chelation for metal ion removal |
| Personal Care | Used as a pH adjuster in cosmetic formulations | Solution pH control |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 210 nm, calibrated against certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750 C in a platinum crucible and measuring mass of non-volatile inorganic residue. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, using plasma emission spectroscopy at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride anions using suppressed ion chromatography with carbonate eluent. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity detection of sulfate anions using suppressed ion chromatography with carbonate eluent. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities using gradient reverse-phase HPLC with UV detection. |
| pH (1% aqueous solution) | Potentiometric Titration | Measurement of hydrogen ion activity using calibrated glass electrode in aqueous solution at 25 C. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against water-white standard under controlled lighting conditions. |
| Solubility in Water | Gravimetric Dissolution Test | Determination of complete dissolution behavior in distilled water at 20 C with gentle agitation for 30 minutes. |
| Iron (Fe) Content | AAS | Atomic absorption spectroscopy after nitric acid digestion, measuring absorbance at 248.3 nm. |
| Loss on Drying | Thermogravimetric Analysis | Mass loss measured after drying at 105 C for 2 hours under vacuum or nitrogen purge. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.