Sodium fluoride - 30105
Code: 30105
Sodium fluoride
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., ≥99%
ACS Reagent, Reag. ISO, Reag. Ph. Eur.
CAS Number: 7681-49-4
Linear Formula: NaF
Molar Mass: 41.99 g/mol
EC Number: 231-667-8
MDL Number: MFCD00003524
| Property |
Value |
| Assay |
min. 99 % |
| Assay (calculated to the dried substance) |
98.5 - 100.5 % |
| Water insoluble matter |
max. 0.02 % |
| Loss on drying (150°C) |
max. 0.2 % |
| Loss on drying (130 °C, 3 h) |
max. 0.5 % |
| Acidity or alkalinity |
complying |
| Free acid (as HF) |
max. 0.05 % |
| Free alkali (as NaOH) |
max. 0.04 % |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 0.001 % |
| Potassium (K) |
max. 0.01 % |
| Heavy metals (as Pb) |
max. 0.001 % |
| Sodium Hexafluorosilicicate ( Na2SiF6) |
max. 0.1 % |
| Fluorosilicate (SiF6) |
complying |
| Chloride (Cl) |
max. 10 ppm |
| Sulfate (SO4) |
max. 100 ppm |
| Sulfite (SO3) |
max. 0.005 % |
| Appearance of the solution |
complying |
| Property |
Value |
| Vapor Pressure |
1.4 mmHg ( 0 °C) |
| Boiling point |
1,704 °C |
| Freezing point |
990 °C |
| Density |
2.7 g/cm3 |