c6h5no2

4 definitions found

c6h5no2 - Collaborative International Dictionary of English v.0.48 :

  nitro- \ni"tro-\pref.
     1. A combining form or an adjective denoting the presence of
        niter.
        [1913 Webster]
  
     2. (Chem.) A combining form (used also adjectively)
        designating certain compounds of nitrogen or of its acids;
        as nitrohydrochloric, nitrocalcite; also, designating the
        group or radical NO2, or its compounds, as nitrobenzene
        (C6H5.NO2).
        [1913 Webster]
  
     Nitro group, the radical NO2; -- called also nitroxyl.
        [1913 Webster]

  Nitrobenzene \Ni`tro*ben"zene\ (? or ?), n. [Nitro- + benzene.]
     (Chem.)
     A yellow aromatic liquid (C6H5.NO2), produced by the action
     of nitric acid on benzene, and called from its odor
     imitation oil of bitter almonds, or essence of mirbane.
     It is used in perfumery, and is manufactured in large
     quantities in the preparation of aniline. Fornerly called
     also nitrobenzol.
     [1913 Webster] Nitrobenzol

  niacin \niacin\ n.
     A B vitamin (vitamin B5) essential for the normal function of
     the nervous system and the gastrointestinal tract. Called
     also nicotinic acid and antipellagra vitamin. Chemical
     formula C6H5NO2, chemically it is 3-pyridinecarboxylic
     acid.
  
     Syn: nicotinic acid.
          [WordNet 1.5]

  nicotinic acid \nic`o*tin"ic ac"id\, n. (Chem.)
     An organic acid (C6H5NO2), a carboxylated derivative of
     pyridine, obtained by the oxidation of nicotine; called also
     niacin and antipellagra vitamin, and vitamin B5.
     Chemically it is 3-pyridinecarboxylic acid.
  
     Note: It is a cofactor in several enzymatic reactions, and is
           used to prevent a pellagra-like disease in dogs.
           --[MI11]
  
     Syn: 3-pyridinecarboxylic acid, niacin, antipellagra vitamin.
          [1913 Webster +PJC]