Calcium hypophosphite Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7789-79-9 |
| Product name | Calcium hypophosphite |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty 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) |
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Documents We Provide for Calcium hypophosphite
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Calcium hypophosphite Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Calcium hypophosphite
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Reducing agent | Used in selective reduction reactions during organic synthesis, such as reduction of nitro compounds to amines |
| Electroplating Industry | Reducing agent for electroless nickel plating | Acts as a reducing agent in electroless nickel plating processes to reduce nickel ions to metallic nickel deposited on substrate surfaces |
| Food Industry | Antioxidant (authorized only in specific countries/regions) | Used as a food additive (e.g., derivatives related to E340 series) to prevent oxidative degradation (Note: Calcium hypophosphite itself is not widely approved for food use in most countries) |
| Pharmaceutical Industry | Intermediate synthesis | Participates in reduction steps for synthesizing certain pharmaceutical intermediates, particularly those containing phosphorus or nitrogen functionalities |
| Materials Science | Flame retardant component | Combined with other phosphorus-based compounds in flame-retardant formulations for polymeric materials to enhance thermal stability and flame resistance |
Manufacturing Quality Control of Calcium hypophosphite
| Detection Item | Common Detection Methods | Method Overview |
|---|---|---|
| Main content (hypophosphite ion) | Iodometric titration (redox titration) | Under weakly acidic conditions, hypophosphite ions (H₂PO₂⁻) react with excess iodine to produce phosphate and iodide ions. The unreacted iodine is titrated with a standardized sodium thiosulfate solution to calculate the content of calcium hypophosphite. |
| Calcium content | EDTA complexometric titration | In an ammonia-ammonium chloride buffer solution at pH ~10, calcium ions form a stable complex with EDTA. Chrome Black T is used as the indicator, and the calcium content is determined by titrating with a standardized EDTA solution. |
| pH value | pH meter method | A solution of calcium hypophosphite at a specified concentration (e.g., 1%) is prepared, and the pH is measured directly using a calibrated pH meter. |
| Moisure content (loss on drying) | Drying method (gravimetric) | A sample is dried in an oven at 105±2°C until constant weight is achieved; the moisture content is calculated based on the weight loss. Suitable for general industrial-grade products. |
| Chlorides | Silver nitrate turbidimetry | After dissolving the sample, silver nitrate is added in a nitric acid medium to form a silver chloride turbidity, which is quantified by comparison with a standard turbidity series. |
| Sulfates | Barium sulfate turbidimetry | In a hydrochloric acid medium, barium chloride is added to precipitate sulfate ions as barium sulfate; the sulfate content is determined by turbidimetric comparison. |
| Heavy metals | Atomic absorption spectroscopy (AAS) or colorimetric method | After sample digestion, heavy metals such as lead and cadmium are quantified using atomic absorption spectroscopy; alternatively, a sulfide colorimetric method may be used for semi-quantitative detection. |
| Iron content | Spectrophotometry (o-phenanthroline method) | Iron ions form an orange-red complex with o-phenanthroline in the pH range of 3–9; the absorbance is measured at 510 nm to quantify iron impurities. |
| Insoluble matter | Gravimetric method | The sample is dissolved in water, filtered, and the residue is washed, dried, and weighed to determine the content of insoluble matter. |
Technical Specifications of Calcium hypophosphite
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Total Impurities | <=1.5% |
| Solubility | Soluble in water; insoluble 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 Calcium hypophosphite
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Calcium hypophosphite
Industrial Calcium hypophosphite 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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