High-purity specifications engineered to optimize thermal storage, industrial process acceleration, and plant nutrition dynamics.
Calcium Nitrate, recognized chemically as Ca(NO3)2, exists in several hydration states, most commonly as the tetrahydrate or as complex double salts with ammonium nitrate. The designation "Calcium Nitrate Nature" encapsulates high-purity, structurally optimized crystals, granules, and liquid formulations synthesized utilizing advanced neutralization pathways. As global agriculture transitions towards highly solubilized nutrition systems and heavy industry shifts toward decarbonized heat transfer networks, the production of premium-grade nitrates has risen to critical status.
In modern industrial applications, Calcium Nitrate represents a multipurpose chemical agent. Beyond its foundational role as a highly soluble source of nitrogen and calcium for agronomy, it serves as a crucial concrete setting accelerator in civil engineering, a bio-active coagulant in waste-water treatment, and a formulation component in thermal energy storage molten salts. Under the manufacturing direction of Shanxi Vojin New Materials Co., Ltd., advanced crystallization controls produce low-dust, highly soluble formulations that meet the strict requirements of international industrial markets.
Conventional calcium nitrate is highly hygroscopic, making transport and handling difficult. By employing state-of-the-art co-crystallization techniques (incorporating safe percentages of ammonium to form a stable double salt) or high-temperature dehydration pathways, Shanxi Vojin manufactures low-hygroscopicity granules that preserve structural integrity under long-distance shipping and storage conditions.
Specialized inorganic chemical series formulated for global manufacturing requirements.
Featuring calcium nitrate, sodium nitrate, and potassium nitrate with purity thresholds exceeding 99.5% for thermal, electronic, and industrial uses.
Explore Series
Water-soluble fertilizers designed to improve crop yield and soil stability through precise, crop-available nitrogen and calcium nutrition.
Explore Series
High-quality secondary compounds synthesized during purification, supporting efficiency in construction, metallurgy, and water treatment.
Explore SeriesFrom decarbonized energy storage to high-efficiency horticulture, our products support multiple industries.
Driven since 2000, we have been committed to the entrepreneurial spirit and passion for innovation. Our team takes pride in delivering dependable products and services with a quality distinction in thermal energy storage & water-soluble fertilizer industries globally. Leveraging advanced purification techniques, integrated production lines, and comprehensive quality control, we ensure our international supply chains remain resilient and cost-competitive.
View Corporate ProfileOur manufacturing experience and refined processes deliver reliable performance.
To assist chemical engineers, procurement directors, and agronomic consultants, we provide a detailed technical overview of our key Calcium Nitrate formulations. We control free acidity, insoluble residues, and heavy metal limits to support consistent performance across diverse applications.
| Specification Index | Agricultural Grade Double-Salt | Industrial High-Purity Grade | Anhydrous Special Grade |
|---|---|---|---|
| Assay (as Ca) | ≥ 19.0% | ≥ 23.5% | ≥ 24.1% |
| Nitrogen (as N) | ≥ 15.5% | ≥ 11.5% - 12.0% | ≥ 16.9% |
| Water Insoluble Matter | ≤ 0.1% | ≤ 0.02% | ≤ 0.05% |
| pH (10% aqueous sol.) | 5.0 - 7.0 | 5.5 - 7.5 | 6.0 - 7.8 |
| Heavy Metals (as Pb) | ≤ 0.001% | ≤ 0.0005% | ≤ 0.0005% |
| Appearance | White Round Granules | White Crystalline / Prills | Dry Free-Flowing Flakes/Powder |
The global demand for Calcium Nitrate is growing, driven by two main trends: structural modernization in agricultural nutrition and the growth of high-temperature thermal energy storage systems (TES) for renewable energy.
Advanced commercial farming increasingly relies on pressurized drip irrigation and automated hydroponics. Traditional nitrogen sources like ammonium nitrate or urea can cause soil compaction, acidification, and calcium deficiency. Calcium Nitrate Nature provides immediate nitrate nitrogen alongside fully soluble calcium ions, which help build plant cell walls, prevent physiological diseases (such as blossom end rot in solanaceous crops), and improve soil structure by replacing sodium in sodic soils.
Concentrated Solar Power (CSP) facilities use solar radiation collected by heliostats to heat a thermal medium. Standard thermal oils decompose above 390°C, whereas molten salts—historically binary formulations of Sodium Nitrate and Potassium Nitrate—can operate up to 560°C. Modern ternary mixtures incorporating Calcium Nitrate lower the freezing point of molten salts to below 150°C and improve the operational window, reducing trace crystallizing risks and lowering heat tracing costs.
In municipal and industrial wastewater handling, calcium nitrate acts as an oxygen alternative. It prevents septic conditions by encouraging denitrifying bacteria to consume sulfur, avoiding the formation of toxic hydrogen sulfide (H2S) gases. In the construction industry, it serves as a non-chloride accelerator, speeding up cement hydration and early strength development without corroding structural steel reinforcements.
Why global sourcing agents choose Shanxi Vojin for reliable, high-volume chemical supply chains.
Integrated experience in exporting operations helps assure consistent product quality and smooth logistics for international shipments.
600,000 Ton annual output capacity for molten salts and nitrates ensures consistent volume supply for large-scale industrial projects.
Experienced technical and service teams respond quickly to client requests, assisting with logistical and technical support.
A broad range of technical options, including KNO3, NaNO3, and Ca(NO3)2, provides custom formulations tailored to specific customer needs.
Insights into the evolution of solar thermal energy systems and nitrate technology.
This technology operates at high temperatures, supporting efficiency in thermal conversions and solar thermal plant outputs.
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Concentrated solar power plants convert solar energy to electricity, relying on high-purity nitrate mixtures for heat transfer.
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Molten salt energy storage helps improve the reliability of renewable grids, smoothing out peak demand variations.
Read Research →Technical answers addressing procurement and application queries for chemical engineers.
Supporting chemical supply chains and energy projects worldwide.
Extending our product options to meet diverse process requirements.
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