Melting point :80-83 °C(lit.)
Boiling point :242 °C(lit.)
Density :1.298 g/mL at 25 °C(lit.)
vapor density :5.4 (vs air)
vapor pressure :0.09 mm Hg ( 25 °C)
refractive index :1.5376 (estimate)
Flash point :>230 °F
solubility :Soluble in acetone and alcohol (Weast, 1986)
form :Crystals or Flakes
color :Yellow
Water Solubility :Insoluble
Merck :14,2151
BRN :508691
Henry's Law Constant :4.90 x 10^-6 atm?m³/mol at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits :Potential occupational carcinogen. NIOSH REL: IDLH 100; OSHA PEL: TWA 1.
Stability :Stable. Combustible. Incompatible with strong oxidizing agents, hydroxides. Reacts violently with sodium methoxide in methanol.
InChIKey :CZGCEKJOLUNIFY-UHFFFAOYSA-N
CAS DataBase Reference :100-00-5(CAS DataBase Reference)
IARC :2B (Vol. 65, 123) 2020
NIST Chemistry Reference :Benzene, 1-chloro-4-nitro-(100-00-5)
EPA Substance Registry System :p-Chloronitrobenzene (100-00-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. 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.