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4-Chloronitrobenzene Structure

4-Chloronitrobenzene

Chemical Properties

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)

Safety Information

Hazard Codes  T,N
Risk Statements  23/24/25-40-48/20/21/22-51/53-68
Safety Statements  28-36/37-45-61-28A
RIDADR  UN 1578 6.1/PG 2
WGK Germany  2
RTECS  CZ1050000
Autoignition Temperature 500 °F
Hazard Note  Very Toxic
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29049085
Hazardous Substances Data 100-00-5(Hazardous Substances Data)
Toxicity LD50 (skin) for rats 16 gm/kg (quoted, RTECS, 1985).
IDLA 100 mg/m3

MSDS

Usage And Synthesis