China Factory Direct
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| CAS number | 18534-18-4 |
| Product name | PIPERAZINE HYDROGEN PHOSPHATE MONOHYDRATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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) |
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 Description |
|---|---|---|
| Pharmaceutical Industry | Synthetic Intermediate for Active Pharmaceutical Ingredients (APIs) | Used as an organic synthetic intermediate in the preparation of antihypertensive and other pharmaceuticals |
| Chemical Industry | Corrosion Inhibitor | Applied in metal surface treatment to suppress corrosion reactions |
| Water Treatment | Water Treatment Chemical | Functions as a scale inhibitor and dispersant to prevent scale formation in water systems |
| Pesticide Industry | Additive in Pesticide Formulations | Used to adjust formulation pH and as a stabilizer |
| Materials Science | Synthesis of Functional Materials | Employed in the synthesis of organic-inorganic hybrid materials with specific functionalities |
| Laboratory Research | Analytical Reagent | Used in complexometric titration analysis of metal ions |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Piperazine hydrogen phosphate content) | Acid-base titration | Quantifies active ingredient by titration with standardized HCl using methyl orange indicator. |
| Water content | Karl Fischer titration | Measures total water via coulometric or volumetric reaction with iodine and Karl Fischer reagent. |
| pH of aqueous solution | Potentiometric pH measurement | Determines hydrogen ion activity using calibrated glass electrode in 1% w/v aqueous solution. |
| Heavy metals (as Pb) | Atomic absorption spectroscopy (AAS) | Quantifies lead and other heavy metals after acid digestion and matrix matching. |
| Sulfate impurity | Barium chloride turbidimetry | Forms insoluble BaSO4 precipitate; quantified by measuring turbidity at 420 nm. |
| Chloride impurity | Silver nitrate titration (Mohr method) | Titration with AgNO3 using potassium chromate indicator to detect endpoint as red Ag2CrO4 precipitate. |
| Iron impurity | 1,10-Phenanthroline UV-Vis spectrophotometry | Forms colored Fe(II)-phenanthroline complex measured at 510 nm after reduction. |
| Loss on drying (LOD) | Gravimetric analysis | Measures mass loss after drying at 105 C for 2 hours under controlled conditions. |
| Residue on ignition | Gravimetric analysis | Determines inorganic ash content after incineration at 600 C for 1 hour. |
| Particle size distribution | Laser diffraction | Analyzes scattered light intensity patterns to calculate particle size distribution in suspension. |
| Microbial contamination | Membrane filtration and colony counting | Filters sample, incubates on appropriate agar, and enumerates viable aerobic microorganisms. |
| Related substances | Reverse-phase HPLC with UV detection | Separates and quantifies impurities using C18 column and UV detection at 210 nm. |
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Melting Point | 245-250 °C (decomposes) |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() ![]() |
| Signal Word | Danger |
| Safety Data Sheet | |
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.