Nitrobenzene CAS# 98-95-3
Nitrobenzene CAS# 98-95-3 - Image 2
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Nitrobenzene CAS# 98-95-3

Nitrobenzene (chemical formula: C6H4NO2) is a yellowish, oily, aromatic nitro-compound. The most important application of nitrobenzene (consuming 95%) is for the manufacturing of aniline, which is an important industrial precursor. Besides aniline, it can also be used to generate related derivatives such as azobenzene, nitrosobenzene and phenylhydroxylamine. Moreover, it can be used for the production of lubricating oils, dyes, drugs, pesticides, and synthetic rubber. Another special application of it is masking unpleasant odors emitting from shoe, floor polisher, and leather as well as paint solvents. In addition, it can sometime used as a solvent, especially for electrophilic reagents in the laboratory. The nitrobenzene is mainly manufactured through the nitration of benzene with the mixture of concentrated sulfuric acid, water and nitric acid. However, the reaction process is quite dangerous due to the exothermicity of the reaction.

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Nitrobenzene CAS# 98-95-3

Product Name: Nitrobenzene
Synonyms: Benzene,nitro-;Essence of Mirbane;essenceofmirbane;NCI-C60082;Nitrobenzeen;nitro-benzen;Oil of Myrbane;Mitrobenzole
CAS: 98-95-3
MF: C6H5NO2
MW: 123.11
EINECS: 202-716-0
Product Categories: Dyestuff Intermediates;ReagentPlus(R) Solvent Grade Products;ReagentPlus(R)Solvents;Analytical Reagents for General Use;M-N, Puriss p.a. ACS;Puriss p.a. ACS;ACS Grade Solvents;ACS GradeSolvents;Amber Glass Bottles;Solvent Bottles;8000 Series Solidwaste Methods;Environmental Standards;ExplosivesEPA;Method 8330Alphabetic;NA – NIChromatography;Solid Waste;N-O;NA – NI;NA – NIInternational Standards;NIOSH 2005: Analysis of Nitrobenzenes in Indoor Air;Alpha Sort;N;NIOSH and OSHA Methods;N-OAlphabetic;Volatiles/ Semivolatiles;Organics
Mol File: 98-95-3.mol
Nitrobenzene Structure
Nitrobenzene Chemical 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 n20/D 1.551(lit.)
Fp 190 °F
storage temp. Store below +30°C.
solubility 1.90g/l
pka 3.98(at 0℃)
form Liquid
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)
Dielectric constant 35.7（20℃）
Exposure limits TLV-TWA 1 ppm (～5 mg/m3) (ACGIH, MSHA, and OSHA); IDLH 200 ppm (NIOSH).
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
CAS DataBase Reference 98-95-3(CAS DataBase Reference)
NIST Chemistry Reference Benzene, nitro-(98-95-3)
IARC 2B (Vol. 65) 1996
EPA Substance Registry System Nitrobenzene (98-95-3)

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