Calcium Hypophosphite Ca(H₂PO₂)₂ Calcium phosphinate CAS 7789-79-9

Tree Chem manufactures Calcium Hypophosphite CAS 7789-79-9 for global customers seeking reliable reducing performance and batch consistency. Whether applied in fine chemical transformations or electronic-grade material preparation, our product maintains strict impurity control and stable quality.

As a supplier with comprehensive logistics and packaging capabilities, Tree Chem ensures safe handling and competitive lead times for both small-volume and bulk orders. Contact us at info@cntreechem.com for detailed specifications or purchasing requirements.

Specification

Basic Information

Technical Specification

Applications

Food Industry and Nutritional Uses

• Calcium hypophosphite is widely used in the food industry as a functional ingredient that combines leavening assistance, preservation support and mineral fortification. In baking systems, it acts as a leavening component when formulated together with sodium bicarbonate and suitable acidic ingredients. During heating, controlled gas release helps expand dough structure, improve crumb porosity and stabilize finished product volume, making it suitable for bread, pastries and bakery premixes that require consistent rise and texture.
• Beyond leavening, calcium hypophosphite also contributes antioxidant and preservative effects in food matrices. When applied at regulated low dosages in meat products, it works synergistically with salt, nitrite systems and other curing agents to inhibit oxidative spoilage and slow microbial growth, thereby extending refrigerated shelf life. Its reducing properties help stabilize color and flavor during storage, especially in protein-rich foods that are sensitive to oxidation.
• Calcium hypophosphite further serves as a source of calcium and phosphorus in fortified foods and beverages. In dairy products, nutritional drinks, solid beverages and gels, it supports mineral enrichment while maintaining formulation stability. Its compatibility with common acids, sugars and stabilizers allows flexible formulation in both liquid and solid dosage forms, helping manufacturers meet nutritional-label requirements without compromising sensory quality.

Pharmaceutical and Nutraceutical Applications

• In pharmaceutical manufacturing, calcium hypophosphite functions primarily as a reducing-support material and formulation aid. It is used in synthesis routes where control of oxidation-sensitive intermediates is critical, particularly in antibiotic, antiviral and oncology-related drug production. By participating in selective reduction steps, it helps improve reaction stability, yield and reproducibility in multi-step chemical processes.
• Calcium hypophosphite is also incorporated into pharmaceutical dosage forms and nutraceutical products as a mineral supplement and stabilizing agent. In tablets, capsules and injectable preparations, it provides bioavailable calcium and phosphorus while contributing antioxidant protection to sensitive active ingredients. Its compatibility with common excipients allows it to be used across oral and parenteral formulations where stability and purity are essential.

Flame-Retardant Materials and Polymer Systems

• Calcium hypophosphite is an effective inorganic phosphorus-based flame retardant used in a variety of polymer systems. In biodegradable plastics such as PLA, it promotes condensed-phase char formation during combustion, reducing heat release and improving flame resistance without halogenated additives. Its performance is closely linked to loading level, dispersion quality and interaction with the polymer matrix.
• In engineering plastics such as nylon, calcium hypophosphite is typically used as part of a synergistic flame-retardant system. Combined with other phosphorus or brominated components and stabilizers, it helps achieve higher flame-retardant ratings while maintaining mechanical balance. Similar synergistic behavior is observed in rubber compounding and textile flame-retardant finishing, where it contributes to reduced flammability and smoke generation when applied through compounding or pad–dry–cure processes.

Plastics Processing, Stabilization and Lubrication

• In plastics processing, calcium hypophosphite functions as a thermal stabilizer and auxiliary antioxidant. In PVC formulations, it is used alongside metal soap stabilizers to suppress degradation reactions, neutralize acidic by-products and extend processing stability during extrusion and molding. Its reducing behavior helps slow polymer chain scission and discoloration under heat.
• In polyolefin systems such as polypropylene, calcium hypophosphite is used as a secondary antioxidant in combination with primary phenolic antioxidants. This multi-component approach enhances long-term thermo-oxidative resistance and improves product durability during processing and service. Additionally, calcium hypophosphite can act as a lubricant contributor when blended with waxes and amide lubricants, improving melt flow, surface finish and energy efficiency during compounding.

Water Treatment and Metal Surface Technology

• Calcium hypophosphite is applied in industrial water-treatment formulations as a corrosion-inhibitor component. In circulating cooling-water systems, it works together with zinc salts, phosphonates and polymeric dispersants to support protective film formation on metal surfaces. At controlled low dosages, it contributes to corrosion control while maintaining compatibility with scale-inhibition programs.
• In electroless nickel plating, calcium hypophosphite functions as a supplementary reducing component that improves bath stability and deposit quality when used alongside sodium hypophosphite. It supports uniform nickel–phosphorus alloy formation under controlled pH and temperature, particularly in systems designed for high coating quality and extended bath life. In phosphating baths, calcium hypophosphite promotes refined crystal formation and enhances corrosion resistance of conversion coatings on steel substrates.

Electronics, Agriculture and Feed Applications

• In electronics and semiconductor processing, calcium hypophosphite is used in cleaning, etching and chemical deposition contexts. Its reducing properties support oxide removal and metal-surface conditioning, contributing to improved conductivity and surface reliability in electronic materials and PCB manufacturing.
• In agriculture, calcium hypophosphite is incorporated into plant nutrition and growth-regulation formulations, often combined with trace elements and organic carriers. Applied via foliar sprays or solution systems, it supports stress resistance and metabolic activity. In animal nutrition, it serves as a mineral feed additive supplying calcium and phosphorus, contributing to bone development and energy metabolism when formulated under appropriate quality controls.

Storage & Handling

• Store in tightly sealed containers away from heat, sunlight, and moisture.
• Keep materials dry and avoid exposure to oxidizing agents or acids.
• Ensure all equipment is clean and grounded to minimize static risks.
• Handle with proper personal protective equipment in ventilated areas.

Usage Notice

• Avoid contact with strong oxidizers and incompatible reactive chemicals.
• Do not expose the product to excessive humidity.
• Use only with dry tools and dedicated storage areas.
• Follow local regulations for safe handling and disposal.
• Bread leavening system containing calcium hypophosphite at 2–4% of flour weight combined with sodium bicarbonate and suitable acidic components functions to generate controlled CO₂ release and expand dough structure during baking.
• Pastry leavening formulation using calcium hypophosphite at approximately 1.5–3% with ammonium bicarbonate and glucono-delta-lactone functions to improve volume development and texture stability under thermal processing.
• Meat preservation blend incorporating calcium hypophosphite at about 0.1–0.3% with salt, nitrite and antioxidant components functions to inhibit microbial growth and slow oxidative spoilage during refrigerated storage.
• Dairy antioxidant system using calcium hypophosphite at around 0.02–0.05% with tocopherols and organic acids functions to protect lipids from oxidation and maintain flavor stability.
• Fortified beverage premix containing calcium hypophosphite at about 0.01–0.03% with sugars, citric acid and buffering agents functions to provide calcium enrichment while maintaining taste balance.
• Nutritional gel formulation using calcium hypophosphite at approximately 0.02–0.05% with gelling agents, sweeteners and water functions to support gel structure and mineral fortification.
• Oral supplement dosage incorporating calcium hypophosphite at 0.6–1.8 g per administration with vitamin D and excipients functions to replenish calcium and phosphorus intake.
• Injectable mineral preparation using calcium hypophosphite at 5–10 mg/mL with isotonic agents and pH adjusters functions to provide mineral supplementation with improved oxidative stability.
• PLA flame-retardant compound containing 15–30% calcium hypophosphite dispersed in the polymer matrix functions to enhance flame resistance through condensed-phase char formation.
• Nylon flame-retardant formulation using 5–15% calcium hypophosphite combined with synergistic flame-retardant additives functions to achieve higher flame ratings while retaining mechanical properties.
• PVC stabilizer package incorporating calcium hypophosphite at 1–2 parts with metal soap stabilizers and waxes functions to improve heat stability and suppress degradation during processing.
• Polypropylene antioxidant system using 0.1–0.3% calcium hypophosphite together with primary and secondary antioxidants functions to enhance thermo-oxidative aging resistance.
• Cooling-water corrosion-inhibitor formulation applying calcium hypophosphite at 5–10 mg/L with zinc salts, phosphonates and dispersants functions to support protective film formation on metal surfaces.
• Electroless nickel plating bath using calcium hypophosphite at 5–10 g/L together with nickel salts, sodium hypophosphite, complexants and buffers functions to improve bath stability and coating uniformity.

Packaging

• 25 kg aluminum-lined paper bag
• 25 kg aluminum-lined fiber drum
• Custom packaging available upon request