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Molecular  Weight: 41.99
Behavior: white crystal or white powder; belongs to tetragonal system, relative density is 2.558, m.p. 993°C, b.p. 1695°C; slightly soluble in alcohols, soluble in water, water solution is alkaline, corrosive to glass; soluble in hydrofluoric acid and turns into sodium bifluoride.
Requirements:
(1) Crystalloid (40-120 mesh), Annual output volume: 4500t
Main technical standards (index %)
Name |
Excellent |
Industrial 1st class |
| Content (NaF) ≥ |
99.0 |
98.0 |
| Water insoluble matter ≤ |
0.30 |
0.50 |
| Free acid (HF) ≤ |
0.1 |
0.1 |
| Free alkali (Na2CO3) ≤ |
0.1 |
0.5 |
| Sulfate (SO4) ≤ |
0.1 |
0.3 |
| Silicate (SiO2) ≤ |
0.4 |
0.5 |
| Moisture (H2O) ≤ |
0.2 |
0.5 |
| Heavy metal (Pb) ≤ |
0.005 |
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(2) Powder (150-240mesh), Annual output volume: 2000t
Main technical standards (index %)
Name |
Industrial Grade |
| Content (NaF) ≥ |
98.0 |
| Water insoluble matter ≤ |
0.7 |
| Free acid (HF) ≤ |
0.1 |
| Free alkali (Na2CO3) ≤ |
0.5 |
| Sulfate (SO4) ≤ |
0.3 |
| Silicate (SiO2) ≤ |
0.5 |
| Moisture (H2O) ≤ |
0.5 |
 Uses:
- NaF is an important fluoride, used as pesticides and bactericides in agriculture.
- Used as wood conservative, water treatment agent, ceramic pigment and fluoride treatment of light metal.
- Used as UF2 adsorbent in neclear industry.
- Used as materials for making other fluoride chemicals, in enamel industry, medical industry, paper-making industry, building materials, etc.
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