| | Identification | More |  | [Name] 
 3-NITROPYRIDINE
 |  | [CAS] 
 2530-26-9
 |  | [Synonyms] 
 3-NITROPYRIDINE
 Pyridine, 3-nitro-
 5-Nitropyridine
 |  | [Molecular Formula] 
 C5H4N2O2
 |  | [MDL Number] 
 MFCD00234974
 |  | [Molecular Weight] 
 124.1
 |  | [MOL File] 
 2530-26-9.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 white to yellow needle-like crystals
 |  | [Melting point ] 
 35-40 °C
 |  | [Boiling point ] 
 216°C
 |  | [density ] 
 1,33 g/cm3
 |  | [refractive index ] 
 1.4800 (estimate)
 |  | [Fp ] 
 216°C
 |  | [storage temp. ] 
 Flammables area
 |  | [solubility ] 
 soluble in Methanol
 |  | [form ] 
 Liquid
 |  | [pka] 
 pK1:0.79(+1) (25°C,μ=0.02)
 |  | [color ] 
 Clear colorless
 |  | [BRN ] 
 111969
 |  | [CAS DataBase Reference] 
 2530-26-9(CAS DataBase Reference)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xn-F
 |  | [Risk Statements ] 
 R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
 R11:Highly Flammable.
 |  | [Safety Statements ] 
 S37/39:Wear suitable gloves and eye/face protection .
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S16:Keep away from sources of ignition-No smoking .
 |  | [RIDADR ] 
 2811
 |  | [WGK Germany ] 
 3
 |  | [HazardClass ] 
 6.1
 |  | [PackingGroup ] 
 III
 |  | [HS Code ] 
 29333999
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 white to yellow needle-like crystals
 |  | [Uses] 
 3-NITROPYRIDINE is used in the novel synthesis of biologically active nitro heterocyclic compounds.
 |  | [Synthesis] 
 In 1993 Suzuki and co-workers reported the nitration of pyridine with nitrogen dioxide and ozone in dichloromethane at room temperature. They obtained a 3.5 % yield of 3-nitropyridine and 1.2 % of 3,5-dinitropyridine.
 
  3-Nitropyridines can also be synthesized by oxidation of 3-aminopyridine with hydrogen peroxide in fuming sulphuric acid in 45% yield. Nitration of 2,6-dichloropyridine with nitronium tetrafluoroborate gave a 11% yield of 3-nitropyridine after dehalogenation. 3-nitropyridine has also been prepared from 2- chloro-3-nitropyridine.
 | 
 | 
                    
                        
                            | Company Name: | GK Chemicals |  
                            | Tel: | +91-7207279444 |  
                            | Website: | www.www.info@gkchemicalss.com |  
                    
                        
                            | Company Name: | Alfa Aesar |  
                            | Tel: | 400-6106006 |  
                            | Website: | http://chemicals.thermofisher.cn |  |