Melting Point -94 °C(lit.)
 Boiling Point 56 °C760 mm Hg(lit.)
 Water Solubility 1630 g/L (20 oC) ;H2O: soluble 54% (w/w) at 10°C (Citric acid in water)
 Density 2 (vs air)
 Storage Temp no restrictions.
 Flash Point 1 °F
 Stability Stable. Incompatible with oxidizing agents, bases, reducing agents, nitrates.
 Appearance White Solid
 Refractive Index n20/D 1.359(lit.)