Products
Products
Sodium fluoride
Yangs & M Enterprise Limited
Product Name:Sodium fluoride
Molecular weight:41.99
Molecular Formula:
NaF
CAS No.：7681-49-4
Detailed Introduction
Molecular formula:NaF
Molecular weight: 41.99
Dangerous level: 6.1
Packing: 25kg PE lined plastic woven bag/1000kg bulk bag/kraft paper bag
Physicochemical properties:
white or off-white powder, Specific gravity 2.25, Melting point.: 993°C, Boiling point.: 1695°C. It is soluble in water,hydrofluoric acid; slightly soluble in alcohols. Its aqueous solution is weak al
Uses:
Used as agricultural pesticide, wood preservative, metal flux, analysis reagent, also used in machinery for the inserted steel welding， fermentation equipment, manufacturing of fluorine compounds.
Quality index
| Index name | Toothpaste grade | crystalline | powdery | Second grade |
| Sodium fluoride NaF % | ≥98.5 | ≥98 | ≥98 | ≥95.97 |
| Water-insoluble matter % | ≤0.1 | ≤0.5 | ≤0.5 | ≤0.7 |
| Sulfate (as so42) | ≤0.2 | ≤0.3 | ≤0.3 | ≤0.3 |
| Silicon dioxide | ≤0.4 | ≤0.5 | ≤0.5 | ≤0.5 |
| Sodium carbonate | ≤0.1 | ≤0.2 | ≤0.2 | ≤0.5 |
| Acid Sodium (as HF) | ≤0.1 | ≤0.2 | ≤0.2 | ≤0.2 |
| Moisture | ≤0.2 | ≤0.5 |
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