Description

Calcium Nitrite is an inorganic salt widely recognized for its role as a highly effective corrosion inhibitor in concrete admixtures. This compound is crucial for extending the service life of reinforced concrete structures in demanding environments. It is essential for construction, civil engineering, and industrial manufacturing sectors requiring durable infrastructure solutions.

Application

• Primary use as a corrosion inhibitor in concrete and cement-based materials for bridges, parking structures, and marine applications.
• Key component in non-chloride accelerating admixtures for cold-weather concrete pouring.
• Used in the formulation of industrial heat transfer fluids and cooling systems.
• Employed as a rust preventive additive in lubricants, greases, and metalworking fluids.
• Intermediate in the synthesis of other nitrite compounds and specialty chemicals.
• Used in certain wastewater treatment processes as an oxygen scavenger or corrosion control agent.

Basic Information

Product Name	Calcium Nitrite
CAS No.	13780-06-8
Molecular Formula	Ca(NO2)2
Molecular Weight	132.09 g/mol
Synonyms	Calcium dinitrite; Nitrous acid, calcium salt; Calcium nitrite (1:2); Calcium nitrite solution; UN1454; Corrosion inhibitor CI-2; CI-2; CSN
EINECS	237-424-2

Quality Control

Our Calcium Nitrite is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, concentration (for solutions), and impurity profiles relevant to its application as a corrosion inhibitor. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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, containers must be kept tightly sealed to prevent absorption of atmospheric moisture. Store away from strong acids, reducing agents, and combustible materials.

Specification

Item	Specification
Appearance	White to yellowish crystalline solid or clear solution
Identification (IR)	Conforms
Assay (as Ca(NO2)2)	≥ 93.0% (Solid) / 30-40% (Typical Solution)
Calcium (Ca) Content	≥ 28.0%
Nitrite (NO2) Content	≥ 64.0%
Chloride (Cl)	≤ 0.1%
Sulfate (SO4)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
pH (30% Solution)	9.0 - 11.5
Insoluble Matter	≤ 0.1%

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