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Calcium Nitrite
Calcium Nitrite
English name: Calcium nitrite
English alias: Nitrous acid, calcium salt, Nitrous acid, calcium salt (2:1); Powder Calcium nitrite, Calcium Nitrite Anhydrous
Molecular formula: Ca(NO2)2
CAS No.: 13780-06-8
EINECS: 237-424-2
Molecular weight: 132.089
Appearance: Colorless to light yellow crystalline powder
Solubility (mg/L): Easily soluble in water, slightly soluble in ethanol
Relative density (water=1): 1.23
Melting point: 390°C
Class: 5.1
Powder calcium nitrite index (without crystal water)
|
Index |
Top grade |
First grade |
Qualified products |
|
Ca(NO2)2 (dry basis)%≥ |
94 |
94 |
92 |
|
Ca(NO3)2 (dry basis) %≤ |
4.0 |
4.5 |
5.0 |
|
Insoluble substance in water % ≤ |
1.0 |
1.0 |
2.0 |
|
Moisture % ≤ |
0.5 |
1.0 |
2.0 |
|
Appearance |
White or light yellowish powder. |
||
Packaging：Packed in 25kg woven bags with plastic liner, or 950kg big bag.
Uses: It 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. Widely used in reinforced concrete projects, mainly as cement hardening accelerator and antifreeze and rust inhibitor.
Handling Precautions: Airtight operation, enhanced ventilation. Operators must undergo special training and strictly abide by the operating procedures. It is recommended that operators wear self-priming filter dust masks, chemical safety goggles, polyethylene protective clothing and rubber gloves. Keep away from fire and heat sources, and smoking is strictly prohibited in the workplace. Avoid generating dust. Avoid contact with reducing agents, acids, active metal powders. When handling, load and unload lightly to prevent damage to packaging and containers. Equipped with corresponding types and quantities of fire-fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
Precautions for storage: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The packaging is required to be airtight and not in contact with air. It should be stored separately from reducing agents, acids, and active metal powders, and should not be stored together. Storage areas should be equipped with suitable materials to contain spills.
PIC: Emily Zhang
E-mail: km19@kmchem.com
WhatsApp/Mobile: +86 15563290155
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