Item | Standard |
Fusing point | -94 °C(lit.) |
Boiling point | 56 °C760 mm Hg(lit.) |
Density | 0.791 g/mL at 25 °C(lit.) |
Vapor density | 2 (vs air) |
Vapor pressure | 184 mm Hg ( 20 °C) |
Refractive index | n20/D 1.359(lit.) |
Flash point | 1 °F |
Storage condition | Storage condition |
Solubility | Citric Acid Monohydrate is very soluble in water, freely soluble in ethanol and sparingly soluble in ether |
Form | Solid |
Acidity coefficient (pKa) | 3.138, 4.76, 6.401 |
Colour | White |
Specific gravity | 0.810 (20/4ºC) |
Odor | Typical, practically odorless |
PH | 1.85 (50g/l, H2O, 25ºC) |
Water solubility | 1630 g/L (20 oC) ;H2O: soluble 54% (w/w) at 10°C (Citric acid in water) |
Sensibility | Hygroscopic |
Merck | 14,2326 |
Stability | Stable. Incompatible with oxidizing agents, bases, reducing agents, nitrates |