Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 250 °C | Solubility in water [% weight] | Soluble in water |
Colour | White to pale yellow | pH value | 4.6 – 5.0 |
Density [g/cm3] | 0.86 | Vapour density | 6.16 |
Appearance | White or pale yellow crystalline powder |
Identification and melting point | Passes test |
Insoluble matter in water | Passes test |
Residue on ignition (as SO4) | Max 0.1% |
Sensitivity for amino acids | Passes test |