Calcium Nitrite Corrosion Inhibitor

CAS# 13780-06-8
Molecular formula：Ca(NO2)2

Molecular weight：132
Physical and chemical properties：The appearance of calcium nitrite is colorless or light yellow powder. It’s easy deliquescence, soluble in water, slowly soluble in alcohol. Relative density: 2.53 (30 ℃); 2.23 (34 ℃, anhydrous). Melting point is 100 ℃.

Applications and Usages：Calcium nitrite is the main material of concrete additive, it can be used in the making of antifreeze, rust inhibitor of steel bar, early strength agent, it also can be used in the washing of heavy oil, emulsification of lube and chemicals.

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Product Description

Calcium Nitrite Corrosion Inhibitor: Protect Your Assets with Precision

Calcium nitrite corrosion inhibitor is a vital solution for industries seeking to extend the lifespan of steel-reinforced structures, pipelines, and machinery. With the chemical formula Ca(NO₂)₂ (CAS# 13780-06-8), this white crystalline powder excels in preventing chloride-induced corrosion, making it ideal for concrete admixtures, water treatment, and metal protection. At Yunli Chemical, we deliver high-purity, globally compliant inhibitors tailored to your project's needs—ensuring durability while cutting long-term maintenance costs by up to 40%.

Technical Specifications

Purity: ≥95% calcium nitrite content
Impurity Control: Chlorides <0.1%, sulfates <0.5%
Form: Powder or granules (customizable to liquid)
Packaging: 25kg moisture-proof bags, bulk containers
Storage: Keep sealed in cool, dry conditions (<30°C)
Certifications: ISO 9001, ASTM A955, REACH, NSF/ANSI 60

Item	Standard I %	Standard II%
Calcium Nitrite（base on Ca(NO₂)₂）≥	92	94
Calcium nitrate（base on Ca(NO₃)₂）≤	5.5	4.5
Moisture ≤	0.8	0.5
Water Insoluble ≤	1	0.5
Appearance & Color	white powder	white powder

Key Applications

1. Concrete Protection

Prevent steel corrosion in bridges, tunnels, and marine structures exposed to harsh climates or de-icing salts. Our Calcium nitrite corrosion inhibitor forms a protective oxide layer on steel surfaces, neutralizing chlorides and enhancing concrete longevity.

2. Water Treatment

Safeguard industrial cooling systems from rust and scale buildup. Compatible with most water chemistries, it minimizes downtime and maintenance.

3. Metal Processing

Protect pipelines, machinery, and storage tanks during transport or idle periods. Ideal for oil & gas and heavy industries.

4. Custom Solutions

Need a blended formula or specific solubility? We adjust particle size, concentration, and additives (e.g., anti-crystallization agents) to match your environment.

Why Choose Our Calcium Nitrite Corrosion Inhibitor?

✅ Global Compliance: Meets ASTM, EN, and NACE standards for performance and safety.

✅ Eco-Friendly Production: Closed-loop systems recycle 95% of wastewater, reducing environmental impact.

✅ Cost Savings: Optimize dosage (typically 2-4% by cement weight) with technical support from our 18+ years of expertise.

✅ Fast & Flexible: 24-hour response time, MOQ from 25kg, and global logistics partners ensure timely delivery.

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Trusted by Industries Worldwide

With 70% of our production exported to the US, Japan, and Europe, we understand regional needs:

North America/Europe: Premium-grade, NSF-certified liquid inhibitors.
Middle East/Australia: High-temperature stable variants.
Asia-Pacific: Cost-optimized blends with nitrates.

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Quality Assurance

Every batch undergoes rigorous in-house testing for consistency. Receive a lot-specific Certificate of Analysis (COA) with each order, ensuring traceability and compliance.