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Nitrobenzene
Nitrobenzene
- CAS:
- 98-95-3
- MF:
- C6H5NO2
- MW:
- 123.11
Properties
- Melting point:
- 5-6 °C (lit.)
- Boiling point:
- 210-211 °C (lit.)
- Density
- 1.196 g/mL at 25 °C (lit.)
- vapor density
- 4.2 (vs air)
- vapor pressure
- 0.15 mm Hg ( 20 °C)
- refractive index
- n
20/D 1.551(lit.)
- Flash point:
- 190 °F
- storage temp.
- Store below +30°C.
- solubility
- 1.90g/l
- form
- Liquid
- pka
- 3.98(at 0℃)
- color
- Clear yellow
- PH
- 8.1 (1g/l, H2O, 20℃)
- Relative polarity
- 4.5
- explosive limit
- 1.8-40%(V)
- Water Solubility
- slightly soluble
- Merck
- 14,6588
- BRN
- 507540
- Henry's Law Constant
- 9.86 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
- Exposure limits
- TLV-TWA 1 ppm (～5 mg/m3) (ACGIH, MSHA, and OSHA); IDLH 200 ppm (NIOSH).
- Dielectric constant
- 35.7（20℃）
- Stability:
- Stable. Incompatible with strong oxidizing agents, strong reducing agents, strong bases. Flammable. Note wide explosion limits.
- LogP
- 1.86 at 24.5℃ and pH7.9
Safety Information
- Symbol(GHS)
GHS06,GHS08
- Signal word
- Danger
- Hazard statements
- H301+H311+H331-H351-H360F-H372-H412
- Precautionary statements
- P202-P273-P280-P301+P310-P302+P352+P312-P304+P340+P311
- Hazard Codes
- T,N,F,Xn
- Risk Statements
- 23/24/25-40-48/23/24-51/53-62-39/23/24/25-11-36/37/38-60-52/53-48/23/24/25-36-20/21/22
- Safety Statements
- 28-36/37-45-61-28A-16-7-27-53-26
- RIDADR
- UN 1662 6.1/PG 2
- OEB
- B
- OEL
- TWA: 1 ppm (5 mg/m3) [skin]
- WGK Germany
- 2
- RTECS
- DA6475000
- Autoignition Temperature
- 899 °F
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- II
- HS Code
- 29042010
- Toxicity
- LD50 orally in rats: 600 mg/kg (PB91-108398)
- IDLA
- 200 ppm
Use
Nitrobenzene is a synthetic, volatile compound produced primarily for use to manufacture aniline. It is also used as a solvent in refining petroleum and lubricating oils, and in production of dyes, synthetic rubber, pesticides, and drugs including acetaminophen and metoclopramide. Small amounts of nitrobenzene are used as a flavoring agent for soaps and as a solvent for shoe dyes (HSDB, 2009; IARC, 1996). Dinitrobenzene isomers (1, 2-, 1, 3-, and 1, 4-) are used in organic synthesis of dyes, pesticides, and industrial solvents. 1,3-Dinitrobenzene and 1,3,5-trinitrobenzene are chemicals found in the production of explosives.
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