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Calcium nitrite
Molecular formula: Ca (NO2) 2
Molecular weight: 132
CAS Number: 13780-06-8
Physical and chemical properties: This product is a colorless or slightly yellow powder, easily deliquescent, soluble in water, and slowly soluble in alcohol. Relative density: 2.53 (30 ℃); 2.23 (34 ℃, anhydrous). Melting point 100 ℃
Usage: This product is mainly used as an admixture for cement concrete, early strength agent, rust inhibitor for steel bars, etc. This product can also be used in the fields of heavy oil washing, lubricating oil emulsification, and chemical organic synthesis.
Execution standard: GB/T 28656-2012
Product parameters:
Main indicators | Qualified | Industrial Grade | Export Grade |
Calcium nitrite (dry basis) ≥ | 90% | 92% | 94% |
Calcium nitrate (dry basis) ≤ | 6.50% | 5.50% | 4.50% |
Insoluble substances ≤ | 1% | 0.50% | 0.50% |
Manufacturing
