Properties
- Melting point:
- 170-173 °C(lit.)
- Boiling point:
- 183.4 °C34 mm Hg(lit.)
- Density
- 1.625 g/mL at 25 °C(lit.)
- vapor pressure
- 2.25 x 10-4 mmHg at 35 °C (Hine et al., 1963)
- refractive index
- 1.725 (589.3 nm)
- Flash point:
- 150 °C
- storage temp.
- Store below +30°C.
- solubility
- alcohol: soluble1g in 300ml
- form
- Crystals or Powder
- color
- Ochre to orange
- Water Solubility
- Soluble in water. (0.8 g/L) at 20°C.
- Merck
- 14,3273
- BRN
- 1105828
- Henry's Law Constant
- 4.79(x 10-7 atm?m3/mol) at 35 °C (approximate - calculated from water solubility and vapor pressure)
- Exposure limits
- NIOSH REL: TWA 1, IDLH 50; OSHA PEL: TWA 1 ACGIH TLV:
TWA 0.15 ppm for all isomers (adopted).
- Stability:
- Stable, but may be shock-sensitive. May explode if heated. Incompatible with oxidizing agents, strong bases, nitric acid, many metals, tin oxides.
Safety Information
Use
Crystallise 1,4-dinitrobenzene from EtOH or EtOAc. Dry it under vacuum over P2O5. It can be sublimed in a vacuum. [Beilstein 5 IV 741.]