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.
CAS DataBase Reference :100-25-4(CAS DataBase Reference)
EPA Substance Registry System :p-Dinitrobenzene (100-25-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P262 Do not get in eyes, on skin, or on clothing. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection.