China Factory Direct
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| CAS number | 27176-10-9 |
| Product name | TRI-POTASSIUM PHOSPHATE MONOHYDRATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 |
|---|---|---|
| Food Industry | Food quality improver (emulsifier, stabilizer, chelating agent) | Added directly as a functional additive to food raw materials |
| Food Industry | Alkaline regulator, moisture retention agent, leavening agent | Added during dough processing or meat product manufacturing to adjust pH |
| Pharmaceutical Industry | Buffer component (pH adjustment) | Used in the formulation process of liquid pharmaceuticals or injectables |
| Chemical/Agricultural Industry | High-efficiency potassium phosphate fertilizer raw material | Blended with other ingredients or dissolved for foliar application or drip irrigation |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (K₃PO₄·H₂O content) | Acid-Base Titration with HCl | Quantifies phosphate by back-titration after acid hydrolysis and neutralization of excess acid. |
| Loss on Drying (LOD) | Gravimetric Method (105 °C, 2 h) | Measures mass loss upon controlled heating to determine water and volatile content. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Determines hydrogen ion activity using calibrated pH electrode in standardized aqueous solution. |
| Heavy Metals (as Pb) | Colorimetric Limit Test (Thiourea/Na₂S) | Compares sample color intensity against lead standard after sulfide precipitation under controlled pH. |
| Iron (Fe) | Atomic Absorption Spectroscopy (AAS) | Quantifies Fe concentration via absorption of characteristic atomic resonance line at 248.3 nm. |
| Chloride (Cl⁻) | Argentometric Titration (Mohr method) | Titrates Cl⁻ with AgNO₃ using K₂CrO₄ indicator; endpoint signaled by red Ag₂CrO₄ precipitate. |
| Sulfate (SO₄²⁻) | Gravimetric Analysis (BaSO₄ precipitation) | Precipitates sulfate as insoluble BaSO₄; quantified by drying and weighing the residue. |
| Arsenic (As) | Hydride Generation–Atomic Absorption Spectroscopy (HG-AAS) | Converts As to arsine gas (AsH₃), then measures atomic absorption at 193.7 nm. |
| Sodium (Na) and Potassium (K) | Inductively Coupled Plasma–Optical Emission Spectrometry (ICP-OES) | Excites atoms in plasma; quantifies Na and K via element-specific emission intensities. |
| Insoluble Matter | Gravimetric Filtration (0.45 μm membrane) | Filters aqueous solution, dries, and weighs residue to determine suspended or undissolved impurities. |
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| 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 |
| Solubility | Freely soluble in water; practically insoluble in ethanol |
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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.