SODIUM HYDROXIDE SOLUTION 50%
SODIUM HYDROXIDE SOLUTION 50%
| Article No. | 581222 |
| Grade | AR |
| Purity | 50% |
| CAS No. | 1310-73-2 |
| Molecular Formula | NaOH |
| Molecular Weight | 40 |
| H.S. Code | 2815.1190 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Liquid |
| Colour | Clear colorless |
| Odour | Odorless |
| pH value | 14.00 |
| Boiling point [°C] | 105 °C |
| Vapour pressure [20°C] | < 24 hPa at 20 °C |
| Vapour density | 1.38 (Air = 1.0) |
| Density [g/cm³] | 1.515 at 25 °C |
Specifications
| Appearance | Colorless viscous liquid |
| Assay (acidimetric) | 48 – 50% |
| Colour scale | Max 20 APHA |
| Carbonate (as Na2CO3) | Max 0.2% |
| Chloride (Cl) | Max 0.005% |
| Phosphate (PO4) | Max 0.001% |
| Silicate (SiO2) | Max 0.005% |
| Sulphate (SO4) | Max 0.001% |
| Total nitrogen (N) | Max 0.0005% |
| Heavy metal (as Pb) | Max 0.0005% |
| Iron (Fe) | Max 0.0005% |
| Potassium (K) | Max 0.025% |
| Ammonium hydroxide precipitate | Max 0.01% |
| Packings | 1 Liter |
