Melting Point 136-140 °C (lit.)
 Boiling Point 160 °C (0.4 mmHg)
 Water Solubility Slightly soluble. Decomposes. 0.0890 g/100 mL
 Density 1.563
 Storage Temp 2-8°C
 Flash Point 160°C/0.4mm
 Stability Stable, but moisture-sensitive and may be light-sensitive. Incompatible with strong oxidizing agents, corrodes many metals. Decomposes in water.
 Appearance off-white to tan 2,4-D
 Refractive Index 1.5000 (estimate)