Melting point :116 °C
Boiling point :319 °C773 mm Hg(lit.)
Density :1.57
refractive index :1.5650
Flash point :150 °C
solubility :chloroform: soluble5%, clear, yellow-green
color :Colorless to yellow needles
Water Solubility :150 mg/L (20 ºC)
Merck :14,3273
BRN :642224
Exposure limits :NIOSH REL: TWA 1, IDLH 50; OSHA PEL: TWA 1; ACGIH TLV: TWA 0.15 ppm for all isomers (adopted).
CAS DataBase Reference :528-29-0(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, 1,2-dinitro-(528-29-0)
EPA Substance Registry System :o-Dinitrobenzene (528-29-0)

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.