IUPAC Name: 2-Nitro-1-benzofuran
Synonyms of 2-Nitrobenzofuran (CAS NO.33094-66-5) : 2-Nitrobenzofuran ; 2-Nitro-1-benzofuran ; 2-Nitro-benzofuran ; Benzofuran, 2-nitro-
CAS NO:33094-66-5
Molecular Formula:C₈H₅NO₃
Molecular Weight :163.1302
Molecular Structure :
Index of Refraction: 1.646
Surface Tension: 54.1 dyne/cm
Density: 1.38 g/cm³
Flash Point: 119 °C
Enthalpy of Vaporization: 49.09 kJ/mol
Boiling Point: 273.1 °C at 760 mmHg
Vapour Pressure: 0.00974 mmHg at 25°C

 2-Nitrobenzofuran (CAS NO.33094-66-5) is used as  intermediate in organic synthesis.

Mutagenicity data:

Test Type:Mutation in microorganismsTEST SYSTEM : Bacteria - Salmonella typhimurium
Dose / Time:3 nmol/plate
Reference:MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 88,355,1981

Test Type:Phage inhibition capacityTEST SYSTEM : Bacteria - Salmonella typhimurium
Dose / Time:1 nmol/plate
Reference:MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 104,1,1982

Test Type:Mutation test systems - not otherwise specifiedTEST SYSTEM : Bacteria - Escherichia coli
Dose / Time:2 pmol/tube
Reference:PNASA6 Proceedings of the National Academy of Sciences of the United States of America. (National Academy of Sciences, Printing & Pub. Office, 2101 Constitution Ave., Washington, DC 20418) V.1- 1915- Volume(issue)/page/year: 79,5971,1982

Test Type:Mutation in mammalian somatic cellsTEST SYSTEM : Rodent - hamster Ovary
Dose / Time:1 umol/L
Reference:MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 1,217,1986

Mutation data reported. When 2-Nitrobenzofuran (CAS NO.33094-66-5) is heated to decomposition ,it emits toxic fumes of NO_x. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS.