POTASSIUM PHOSPHITE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13492-26-7 |
| Product name | POTASSIUM PHOSPHITE |
| 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 POTASSIUM PHOSPHITE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk POTASSIUM PHOSPHITE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of POTASSIUM PHOSPHITE
| Industry | Application | Process |
|---|---|---|
| Agriculture | Component of foliar and water-soluble fertilizers, supplying phosphorus and potassium nutrients to enhance crop stress tolerance | Dissolved in water and applied via foliar spraying or drip irrigation |
| Agriculture | Disease-control and yield-enhancement agent, inducing systemic acquired resistance (SAR) in plants | Formulated with fungicides and applied as a diluted foliar spray |
| Chemical | Intermediate for synthesizing other phosphorus-potassium compounds | Prepared by neutralization of phosphorous acid with potassium hydroxide |
| Chemical | Controlled-release phosphorus-potassium source for specialty chemical production | Reacted with organic acids or metal salts under controlled pH conditions |
| Environmental | Phosphorus recovery and precipitant in wastewater treatment | Forms insoluble phosphate precipitates with heavy metal ions under alkaline conditions |
Manufacturing Quality Control of POTASSIUM PHOSPHITE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Potassium Content | Flame Photometry | Measures potassium ion emission intensity at characteristic wavelength in flame. |
| Phosphorous Content | UV-Vis Spectrophotometry (after molybdenum blue reduction) | Reduces phosphate to phosphomolybdenum blue complex; absorbance measured at ~880 nm. |
| Phosphorous Acid (H3PO3) Content | Acid-Base Titration with NaOH | Titrates acidic protons of phosphorous acid using standardized sodium hydroxide solution. |
| pH (1% aqueous solution) | pH Meter Measurement | Measures hydrogen ion activity in a 1% w/v aqueous solution at 25 C. |
| Water Content | Karl Fischer Titration | Quantifies water via iodine-sulfur dioxide reaction in anhydrous methanol medium. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures absorbance of ground-state metal atoms vaporized in flame or graphite furnace. |
| Arsenic Content | Hydride Generation AAS (HG-AAS) | Converts arsenic to volatile arsine gas, then measures atomic absorption. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Gravimetric Analysis (Barium Sulfate Precipitation) | Precipitates sulfate as BaSO4 and determines mass after drying. |
| Insoluble Matter | Gravimetric Filtration | Filters sample through pre-weighed sintered glass crucible and weighs residue after drying. |
| Loss on Drying (LOD) | Thermogravimetric Analysis (TGA) or Oven Drying | Measures mass loss after heating at 105 C for 2 hours under controlled conditions. |
| Assay (K2HPO3 purity) | Acid-Base Titration + Potassium by Flame Photometry | Combines titration for H3PO3 content and flame photometry for K+ to calculate theoretical purity. |
Technical Specifications of POTASSIUM PHOSPHITE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.2% |
| Solubility | Freely soluble in water; insoluble in organic solvents |
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 POTASSIUM PHOSPHITE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of POTASSIUM PHOSPHITE
Industrial POTASSIUM PHOSPHITE 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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