|
Indicator Description |
First-grade products |
Qualified products |
|
Calcium Nitrite [Ca(NO2)2 Calculated on a dry basis]%≥ |
94.0 |
90.0 |
|
Calcium nitrate [Ca(NO2)2 Calculated on a dry basis] ≤ |
5.5 |
6.5 |
|
Water insoluble substances %≤ |
1.0 |
1.0 |
|
Water content %≤ |
0.8 |
1.0 |
Calcium Nitrite
Calcium Nitrite
- Molecular formula:Ca(NO2)2
- Molecular weight: 132.09
- CAS No: 13780-06-8
- Properties:White or slightly yellow crystals with deliquescence.
- Application: Calcium nitrite is widely used in reinforced concrete engineering as a cement hardening accelerator and antifreeze rust inhibitor. Adding 2% calcium nitrite to concrete can increase the service life of the constructed reinforced concrete building structure by 15-20 years. It can also be used as a corrosion inhibitor in the pharmaceutical industry, organic synthesis, and lubricating oil.







