Physical Properties
| Physical state at 20 °C | Solid | Odour | Faint, acidulous odor |
| Melting point/ Freezing point [°C] | 137 – 140 °C | Solubility in water [% weight] | 788 g/l at 20 °C |
| Colour | White crystalline | Density [g/cm3] | 1.58 |
pH value | <7 | Vapour density | 9.06 |
| Boiling point [°C] | 2.230 °C | Explosion limits -lower [%] | 2.70% |
Packings
25kg
2500g
500g
2500g
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302-H319
Precaution Statement: P261-P280-P305 + P351 + P338
Signal Word: Warning
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302-H319
Precaution Statement: P261-P280-P305 + P351 + P338
Specifications
| Appearance | White crystalline powder |
| Assay (acidimetric) | Min 99% |
| Water (H2O) | Max 2% |
| Sulphated ash | Max 0.1% |
| Fumaric acid | Max 1.5% |
| Heavy metal (as Pb) | Max 0.001% |
- توجه :