Melting Point -73 °C (lit.)
Boiling Point -10 °C (lit.)
Water Solubility %H2O: 17.7 (0°C), 11.9 (15°C), 8.5 (25°C), 6.4 (35°C); % other solvents: 25, alcohol; 32, methanol [MER06]
Density 2.26 (21 °C, vs air)
Storage Temp Protect against physical damage, store outdoors or in a well ventilated area of noncombustible construction.
Flash Point -
Stability Stable. Non-corrosive when dry to common materials except zinc; corrosive when wet. Incompatible with strong reducing or oxidizing agents, moisture, zinc and its alloys.
Appearance colorless Sulfur dioxide
Refractive Index 1.3047 (20ºC)