Physical Properties
| Physical state at 20 °C | Solid | Odour | Odorless |
| Melting point/ Freezing point [°C] | 550 °C | Solubility in water [% weight] | 111 g/100 g of water |
| Colour | White pellets | pH value | 13 – 14 |
| Density [g/cm3] | 2.13 | Vapour density | >1 |
Vapour pressure [20°C] | < 24 hPa at 20 °C |
Packings
50kg
25kg
5000g
500g
Safety Information and Hazard Symbols
Symbol: GHS05
Signal Word: Danger
UN No.: 1823
IMCO Class No.: 8
Packing Group: II
Hazardous Statement: H314
Precaution Statement: P280-P305 + P351 + P338-P310
Signal Word: Danger
UN No.: 1823
IMCO Class No.: 8
Packing Group: II
Hazardous Statement: H314
Precaution Statement: P280-P305 + P351 + P338-P310
Specifications
| Appearance | White deliquescent pellets or pearls |
| Assay (acidimetric) | Min 97% |
| Carbonate (as Na2CO3) | Max 1.0% |
| Chloride (Cl) | Max 0.01% |
| Sulphate (SO4) | Max 0.003% |
| Phosphate (PO4) | Max 0.002% |
| Nitrogen compounds (as N) | Max 0.0005% |
| Heavy metal (as Pb) | Max 0.002% |
| Iron (Fe) | Max 0.001% |
| Arsenic (As) | Max 0.0004% |
| Potassium (K) | Max 0.1% |
- توجه :