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2-Nitrobenzaldehyde

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2-Nitrobenzaldehyde Basic information
2-Nitrobenzaldehyde Chemical Properties
  • Melting point:42-44 °C(lit.)
  • Boiling point:153 °C23 mm Hg(lit.)
  • Density 1,284 g/cm3
  • vapor density 5.2 (vs air)
  • refractive index 1.5800 (estimate)
  • Flash point:>230 °F
  • storage temp. Store below +30°C.
  • form Crystalline Powder, Needles and/or Chunks
  • color Yellow
  • Water Solubility Insoluble in water.
  • Sensitive Air Sensitive
  • Merck 14,6586
  • BRN 742624
  • CAS DataBase Reference552-89-6(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzaldehyde, 2-nitro-(552-89-6)
  • EPA Substance Registry SystemBenzaldehyde, 2-nitro- (552-89-6)
Safety Information
  • Hazard Codes Xn,Xi
  • Risk Statements 22-36/37/38-68
  • Safety Statements 26-24/25-36/37/39-36
  • WGK Germany 2
  • RTECS CU7300000
  • 8
  • Autoignition Temperature200 °C (Lit.)
  • Hazard Note Irritant
  • TSCA Yes
  • HS Code 29130000
MSDS
2-Nitrobenzaldehyde Usage And Synthesis
  • Chemical PropertiesYELLOW CRYSTALLINE POWDER OR NEEDLES
  • Uses2-Nitrobenzaldehyde is a benzaldhyde with a nitro group substituted in the ortho position. 2-Nitrobenzaldehyde is used in the preparation of dyes and colorants such as Indigo carmine. 2-Nitrobenzaldeh yde gas been shown to be a useful photoremovable protecting group as well as in the preparation of more effective ones such as o-Nitrophenylethylene glycol.
  • DefinitionChEBI: Benzaldehyde substituted at the ortho-position with a nitro group.
  • Synthesis Reference(s)Synthetic Communications, 19, p. 3385, 1989 DOI: 10.1080/00397918908052745
  • Purification MethodsCrystallise the aldehyde from toluene (2-2.5mL/g) by addition of 7mL pet ether (b 40-60o) for 1mL of solution. It can also be distilled under reduced pressures. [Beilstein 7 IV 584.]
2-Nitrobenzaldehyde Preparation Products And Raw materials
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