| Identification | Back Directory | [Name]
4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID | [CAS]
17557-76-5 | [Synonyms]
2,2'-DCB
17557-76-5
2,2'-Dicarboxybenzidine
4,4'-Diamino-2,2'-biphenyldicarboxylic Acid
4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID
2,2'-Dicarboxylic acid-4,4'-Diaminobiphenyl
4,4'-Diamino-[1,1'-biphenyl]-2,2'-dicarboxylic acid
[1,1'-Biphenyl]-2,2'-dicarboxylicacid, 4,4'-diaMino- | [EINECS(EC#)]
1533716-785-6 | [Molecular Formula]
C14H12N2O4 | [MDL Number]
MFCD00156997 | [MOL File]
17557-76-5.mol | [Molecular Weight]
272.26 |
| Chemical Properties | Back Directory | [Melting point ]
282 °C | [Boiling point ]
515.1±50.0 °C(Predicted) | [density ]
1.476±0.06 g/cm3(Predicted) | [storage temp. ]
Keep in dark place,Inert atmosphere,2-8°C | [pka]
2.93±0.36(Predicted) |
| Hazard Information | Back Directory | [Production Methods]
Benzidine-2,20 -dicarboxylic acid (4,4' -diaminobiphenyl-2,2' -dicarboxylic acid) is made from 3-nitrobenzoic acid by reduction with zinc dust and sodium hydroxide solution to form the hydrazo compound. This is followed by rearrangement using hydrochloric acid to form the dihydrochloride. |
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