Sodium fluoride - 01148
Code: 01148
Sodium fluoride
Puriss., meets analytical specification of BP, Ph. Eur., USP, 98.5-100.5% (calc. to the dried substance)
98.5-100.5%, meets analytical specification of Ph. Eur., BP, USP, 98.5-100.5% (calc. to the dried substance)
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 (calculated to the dried substance) |
98.5 - 100.5 % |
| Loss on drying (150°C) |
max. 0.5 % |
| Loss on drying (130 °C, 3 h) |
max. 0.5 % |
| Acidity or alkalinity |
complying |
| Free acid (as HF) |
max. 0.2 % |
| Fluorosilicate (SiF6) |
complying |
| Free alkali (as NaOH) |
max. 0.1 % |
| Iron (Fe) |
max. 0.005 % |
| Heavy metals (as Pb) |
max. 20 ppm |
| Sodium Hexafluorosilicicate ( Na2SiF6) |
max. 0.2 % |
| Chloride (Cl) |
max. 10 ppm |
| Sulfate (SO4) |
max. 200 ppm |
| Appearance of the solution |
complying |
| Residual solvents |
complying |
| Property |
Value |
| Vapor Pressure |
1.4 mmHg ( 0 °C) |
| Boiling point |
1,704 °C |
| Freezing point |
990 °C |
| Density |
2.7 g/cm3 |
