4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID
- CAS NO.：17557-76-5
- Empirical Formula: C14H12N2O4
- Molecular Weight: 272.26
- MDL number: MFCD00156997
- EINECS: 1533716-785-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-16 20:45:37
What is 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID?
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.
Properties of 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID
| Melting point: | 282 °C |
| Boiling point: | 515.1±50.0 °C(Predicted) |
| Density | 1.476±0.06 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| pka | 2.93±0.36(Predicted) |
Safety information for 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID
New Products
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![2'-FORMYL[1,1'-BIPHENYL]-2-CARBOXYLIC ACID](https://img.chemicalbook.in/CAS/GIF/6720-26-9.gif)
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