Melting point :70-73 °C (lit.)
Boiling point :284 °C (lit.)
Density :1,255 g/cm³
vapor pressure :8.1 at 25 °C (Mabey et al., 1982)
refractive index :1.6349 (estimate)
Flash point :168 °C
storage temp. :Store below +30°C.
solubility :methanol: 0.1 g/mL, clear
form :Crystals or Flakes
Colour Index :37025
pka :-0.26(at 25℃)
color :Orange to brown
PH :6.1 (10g/l, H2O, 20℃)(slurry)
Water Solubility :1.1 g/L (20 ºC)
Merck :14,6582
BRN :509275
Henry's Law Constant :5.88 x 10^-8 atm?m³/mol at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Stability :Stable. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents, chloroformates, hexanitroethane.
LogP :1.85 at 25℃
CAS DataBase Reference :88-74-4(CAS DataBase Reference)
NIST Chemistry Reference :o-Nitroaniline(88-74-4)
EPA Substance Registry System :o-Nitroaniline (88-74-4)

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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P314 Get medical advice/attention if you feel unwell.