Description

Calcium Nitrate Tetrahydrate is a highly soluble inorganic salt that serves as a vital source of both calcium and nitrate nitrogen. This dual-nutrient profile makes it an essential component in formulations requiring rapid nutrient delivery and high bioavailability. It is a critical raw material for manufacturers in the agriculture, wastewater treatment, and concrete industries, where its specific chemical properties provide significant performance advantages.

Application

• Fertilizer & Horticulture: A premium water-soluble fertilizer and foliar spray for correcting calcium deficiencies and providing fast-acting nitrate nitrogen in fertigation systems and greenhouse cultivation.
• Concrete & Construction: Acts as a highly effective set accelerator and anti-freeze admixture in ready-mix concrete, enabling cold-weather pouring and improving early strength development.
• Wastewater Treatment: Used as a nutrient source in biological wastewater treatment processes to enhance denitrification, promoting the removal of nitrogen compounds.
• Latex Coagulant: Employed in the production of synthetic rubber and certain polymers as a coagulating agent for latex emulsions.
• Chemical Synthesis: Serves as a starting material or calcium source in various chemical manufacturing processes and the production of other nitrate compounds.
• Heat Transfer & Refrigeration: Utilized in phase-change material (PCM) formulations for energy storage and in some refrigeration brines due to its favorable thermal properties.

Basic Information

Product Name	Calcium Nitrate Tetrahydrate
CAS No.	13477-34-4
Molecular Formula	Ca(NO3)2 • 4H2O
Molecular Weight	236.15 g/mol
Synonyms	Calcium dinitrate tetrahydrate; Nitric acid, calcium salt, tetrahydrate; Norwegian saltpeter; Lime nitrate; Norge salpeter; Calcium(II) nitrate tetrahydrate; CALCIUM NITRATE 4-HYDRATE
EINECS	233-332-1

Quality Control

Our Calcium Nitrate Tetrahydrate is manufactured under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for purity, heavy metal content, and physical properties. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing assay results and confirming compliance with relevant industrial and agricultural grade standards. Our commitment to consistent quality and supply chain reliability supports your production continuity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after initial use to prevent caking and degradation. Store separately from combustible materials, strong acids, and reducing agents.

Specification

Item	Specification
Appearance	White crystalline solid
Identification (IR)	Conforms
Assay (as Ca(NO3)2 • 4H2O)	≥ 99.0 %
Calcium (Ca) Content	≥ 16.0 %
Nitrate Nitrogen (N) Content	≥ 11.0 %
Water Insolubles	≤ 0.01 %
pH (5% Solution)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.