China Ca No3 2 Supplier & Factory

High-Purity Calcium Nitrate Solutions & Eutectic Inorganic Salts for Agriculture, Water Purification, Concrete Systems, and Solar Thermal Energy Storage

Premium Chemical Formulations

Direct supply from Shanxi Vojin New Materials Co., Ltd. Optimized logistics, rigorous purity guarantees, and industrial scalability.

Wholesale Calcium Nitrite

Wholesale Calcium Nitrite, Water Purification Agent

View Product Specifications
Wholesale Water Soluble Fertilizer

Wholesale Large Element Water Soluble Fertilizer

View Product Specifications
China Sodium Nitrite

China Sodium Nitrite, Metal Heat Treatment Agent

View Product Specifications
China High Purity Potassium Nitrate

China High Purity Potassium Nitrate (Vojin New Materials)

View Product Specifications
China Food Grade Potassium Carbonate

China Food Grade Potassium Carbonate

View Product Specifications
China Lithium Carbonate

China Lithium Carbonate Gypsum Suppliers

View Product Specifications
China Organic Water Soluble Fertilizer

China Organic Water Soluble Fertilizer Manufacturer

View Product Specifications
China Potassium Chloride

China Potassium Chloride (Treatment of Hypokalaemia)

View Product Specifications

Understanding Ca(NO₃)₂: Chemistry, Grades & Critical Properties

Calcium Nitrate, denoted chemically as Ca(NO₃)₂ (often search-queries optimize this as Ca No3 2 or Ca No3 3 due to chemical structural permutations), stands as one of the most versatile inorganic salts in modern chemical engineering. Produced primarily through the neutralization reaction of nitric acid with calcium carbonate or as a vital co-product during the acidulation of phosphate rock (the Nitrophosphate process), its crystallization profiles range from anhydrous crystals to tetrahydrate complexes [Ca(NO₃)₂·4H₂O].

The physical properties of Ca(NO₃)₂ make it highly sought after across global procurement networks. It is highly hygroscopic, showing complete water solubility, which is a key parameter for fertigation applications and concrete acceleration. For high-temperature applications—such as solar thermal molten salt matrices—purity tolerances are extremely tight, demanding a minimization of chlorides, sulfates, and insoluble matter to prevent piping oxidation.

  • Anhydrous Calcium Nitrate: Features a high nitrogen payload (approx 17.1%) and calcium content (~24.4%), crucial for industrial chemical synthesis and dry-mix concrete.
  • Calcium Nitrate Tetrahydrate: Primarily utilized in agricultural fertilizers and wastewater processing thanks to its rapid dissolution rates.
  • Double Salt Complex [5Ca(NO₃)₂·NH₄NO₃·10H₂O]: Often formulated as granular agricultural fertilizer to enhance physical stability, prevent caking, and improve handling.
Chemical Processing Plant

Unrivaled Chinese Industrial Supply Chain Dominance

Scaling capacity, resource integration, and geographic logistics positioning us as the leading global chemical partner.

China's dominance in the inorganic salt supply chain, specifically nitrates and carbonates, is built upon integrated processing clusters. Shanxi Vojin New Materials Co., Ltd., established in 2010 with origins tracing back to 2000, leverages Shanxi province's rich coal-chemical downstream supply chains. Nitrogen compounds derived from industrial gasification act as direct feedstocks for our nitric acid production, lowering synthesis costs and insulating our international partners from supply-side volatility.

By controlling the entire process from ammonia synthesis to nitrate crystallization, we maintain an annual output capacity of over 600,000 Tons of molten salts and specialized nitrates. This scale, combined with advanced automated crystallization and packaging lines, guarantees consistent granule size distribution and prevents moisture ingress during transoceanic shipping. Furthermore, our proximity to major international shipping ports like Tianjin and Qingdao ensures minimal overland transit times and reduced carbon-footprint transport pathways.

15+
Years Experience
Refined processes and deep engineering mastery of nitrates since 2010.
600K
Tons Annual Capacity
High-volume manufacturing of molten salts and water-soluble compounds.
50+
Product Breakdown
Comprehensive portfolio exported to over 40 countries and regions.
1000
Acres Facility
State-of-the-art manufacturing area dedicated to ecological production.

Localized Applications & Specialized Engineering

From modern vertical farms to high-temperature solar salt storage arrays, Ca(NO₃)₂ delivers crucial functional benefits.

Thermal Energy Storage

Essential additive for solar salt formulations. Eutectic mixture configurations containing Calcium Nitrate lower crystallization points, preventing solar collection field freeze-ups.

Water Purification

Acts as a microbial metabolic substrate in sewage treatment, preventing hydrogen sulfide (H₂S) gas release and resolving septic sludge problems naturally.

Concrete Accelerators

Speeds up concrete hydration, shortening cure times in cold weather without causing rebar corrosion (unlike chloride-based accelerators).

Agricultural Technology

Highly soluble Calcium and Nitrate Nitrogen source that corrects plant physiological disorders like blossom-end rot in tomatoes and bitter pit in apples.

Hot Products Series

Inorganic Chemicals, Nitrates, and Specialty Compounds

Nitrates Series

Nitrates Series

Industrial grade nitrates for thermal storage, chemical synthesis, and custom engineering applications.

Fertilizer Series

Fertilizer Series

Premium fully water-soluble agricultural formulations optimized for modern crop drip fertigation systems.

By-Products

By-Products

Cost-efficient chemical raw materials and agricultural minerals processed under strict quality controls.

Industrial Laboratory QC

E-E-A-T Compliance: Local Support, Safety Protocols, and International Standards

Procuring industrial inorganic chemicals requires navigating complex global trade, safety regulations, and environmental standards. As an ISO 9001-certified factory, Shanxi Vojin New Materials Co., Ltd. implements multi-level quality inspection (QC) systems. Every batch of Ca(NO₃)₂ undergoes inductively coupled plasma emission spectroscopy (ICP-OES) testing to check heavy metal profiles, ensuring compliance with REACH registrations in Europe, EPA directives in North America, and AS/NZS standards in Oceania.

Our dedicated technical support team helps buyers navigate import requirements, including:

  • IMDG Transport Classification: Calcium Nitrate can be classified under Class 5.1 Oxidizers (UN 1454) depending on the formulation. We provide complete dangerous goods (DG) logistics declarations and optimized plastic-weave damp-proof packaging.
  • SGS & Intertek Inspections: We regularly partner with third-party testing services to verify nitrogen percentage, purity levels, water insolubles, and granulometry before shipping.
  • Custom Formulations: We offer customized granule coatings and anti-caking treatments tailored for humid tropical import destinations.

Inorganic Salt Industry Trends & Molten Salt Advancements

Pioneering renewable energy storage and eco-friendly chemical manufacturing for global decarbonization.

The chemical industry is pivoting toward carbon neutrality, driving rapid innovation in nitrate salts. High-purity Calcium Nitrate, alongside Sodium Nitrate and Potassium Nitrate, has become a core component of binary and ternary molten salt thermal storage fluids. These salts absorb heat during the day and release it to drive steam turbines at night, providing clean, dispatchable baseload electricity.

By refining the purity of our nitrates to minimize critical corrosive impurities like chloride ions ($Cl^-$) and carbonate ions ($CO_3^{2-}$), we significantly extend the operational life of thermal storage tanks and heat exchangers. In agriculture, we are shifting production toward high-efficiency, zero-residue water-soluble fertilizers, helping farmers reduce run-off and optimize crop absorption rates.

Experience Icon

Export Operations

Integrated export processes ensure smooth documentation, rapid customs clearance, and worry-free international logistics.

Production Icon

Scalable Capacity

An annual output of 600,000 Tons of molten salts ensures we can reliably supply large-scale global projects.

Services Icon

Technical Support

Our experienced technical and service teams provide quick, expert responses to support your engineers and procurement staff.

Choices Icon

Rich Product Portfolio

We offer a wide range of nitrates, including KNO₃ and NaNO₃, to meet diverse industrial and agricultural needs.

Frequently Asked Questions (FAQ)

Technical answers to help buyers evaluate quality, safety, and application performance.

1. What is the difference between agricultural and industrial-grade Calcium Nitrate?
Agricultural-grade calcium nitrate is optimized for crop absorption, often formulated as a double salt with ammonium to reduce caking and facilitate mechanical application. Industrial-grade calcium nitrate requires much higher purity, with strict limits on water-insoluble matter, heavy metals, and chloride ions to prevent corrosion in industrial systems like concrete curing and wastewater treatment.
2. Is Calcium Nitrate classified as a dangerous good (DG) for international shipping?
Yes, pure Calcium Nitrate anhydrous and tetrahydrate are classified as Class 5.1 Oxidizers (UN number 1454) under the IMDG code. However, specific double-salt formulations (such as those containing ammonium nitrate and crystallization water) may be classified as non-hazardous for transport after passing the UN Series 2(c) test. We provide full classification and safety documentation for all shipments.
3. How does Calcium Nitrate speed up concrete curing?
Calcium Nitrate acts as an inorganic setting accelerator. The calcium ions speed up the hydration of tricalcium silicate ($C_3S$), which shortens both the initial and final set times. This acceleration is especially useful for cold-weather concreting, helping the concrete gain strength quickly before it can freeze.
4. Why is Calcium Nitrate used in wastewater treatment systems?
In municipal and industrial wastewater systems, Calcium Nitrate provides an easily accessible oxygen source for bacteria. This promotes anoxic denitrification, which prevents sulfate-reducing bacteria from producing smelly, toxic, and corrosive hydrogen sulfide ($H_2S$) gas.
5. Can Calcium Nitrate be used in concentrated solar power (CSP) molten salts?
Yes. Adding Calcium Nitrate to standard binary solar salt mixtures ($NaNO_3$ and $KNO_3$) creates a ternary eutectic salt. This ternary mixture has a lower melting point (often below 150°C), which reduces energy consumption for heat tracing and helps prevent the thermal fluid from solidifying.
6. What anti-caking methods do you use for shipping?
Because calcium nitrate is highly hygroscopic, we apply special eco-friendly organic anti-caking agents to the granules. We also pack our products in double-layer PE/PP bags and use moisture-proof pallet wrapping to protect the chemical during sea transit.
7. What is your minimum order quantity (MOQ) and lead time?
Our standard MOQ for wholesale industrial shipments is 20 Metric Tons (one full 20ft container). Typical production and port delivery lead times range from 14 to 21 days, depending on custom formulation and packaging requirements.

Latest Technical Updates & News

Insights into molten salt energy storage, agricultural technology, and global supply chain developments.

Storing the sun
08/03/2024

Storing the sun: Molten Salt Innovations

Recent thermal energy storage projects operate at higher temperatures, raising system efficiency and demanding higher-purity nitrate salts.

Read More
Molten Salt Power
08/03/2024

Molten Salt Power Plants Progress

Concentrated solar power plants convert solar energy into electricity by leveraging inorganic salt combinations for thermal storage and heat transfer.

Read More
Molten Salt Energy
08/03/2024

Molten Salt Energy Systems

How molten salt energy storage systems are proving to be a scalable solution for stabilizing industrial grids and storing renewable energy.

Read More

They Trust Us

Building long-term partnerships with leading global enterprises across the chemical and agricultural industries.

Partner Logo Partner Logo Partner Logo Partner Logo Partner Logo Partner Logo Partner Logo Partner Logo

Secondary Product Portfolio

Specialty chemical products, agricultural compounds, and industrial processing agents.

Wholesale Molten Salt Power Plants

Wholesale Molten Salt Power Plants (Vojin New Materials)

View Product Specifications
Wholesale Agricultural Potassium Nitrate

Wholesale Agricultural Grade Potassium Nitrate

View Product Specifications
China Sodium Nitrate

China Food Grade Sodium Nitrate (Vojin New Materials)

View Product Specifications
Wholesale Calcium Nitrate Supplier

Wholesale Calcium Nitrate Supplier & Factory

View Product Specifications
China Potassium Nitrate Manufacturer

China Industrial Grade Potassium Nitrate

View Product Specifications
China Monoammonium Phosphate

China Monoammonium Phosphate (MAP) Fertiliser

View Product Specifications
China Sodium Nitrate Supplier

China Sodium Nitrate, Protect Against Spoilage Agent

View Product Specifications
China Potassium Carbonate Manufacturer

China Industrial Grade Potassium Carbonate

View Product Specifications