Melting point :147 °C
Boiling point :332 °C
Density :1,437 g/cm³
vapor density :4.77 (vs air)
vapor pressure :1.33 hPa (142 °C)
refractive index :1.6465 (estimate)
Flash point :329 °F
storage temp. :Store below +30°C.
solubility :ethanol: soluble25mg/mL, slightly hazy, yellow to brownish-yellow
pka :1(at 25℃)
Colour Index :37035
form :crystalline
color :yellow
Specific Gravity :1.437
Odor :Ammonia odor
PH Range :7
Water Solubility :0.8 g/L (20 ºC)
Merck :14,6584
BRN :508690
Henry's Law Constant :1.15 x 10^-9 atm?m³/mol at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits :NIOSH REL: TWA 3; IDLH 300; OSHA PEL: TWA 6; ACGIH TLV: TWA 3 (adopted).
Dielectric constant :56.3（160.0℃）
Stability :Stable. Incompatible with sodium hydroxide, strong oxidizing agents, strong reducing agents. May attack some plastics, rubber and coatings. May decompose explosively in the presence of initiators. Moisture sensitive. May be light and air-sensitive.
LogP :1.2 at 30℃
CAS DataBase Reference :100-01-6(CAS DataBase Reference)
NIST Chemistry Reference :p-Nitroaniline(100-01-6)
EPA Substance Registry System :p-Nitroaniline (100-01-6)

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.