![4,4'-Diamino-[1,1'-biphenyl]-2,2'-disulfonic Acid](https://resource.bocsci.com/structure/117-61-3.gif)
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| IUPAC Name: | 5-amino-2-(4-amino-2-sulfophenyl)benzenesulfonic acid |
| Description: | 4,4'-Diamino-[1,1'-biphenyl]-2,2'-disulfonic Acid is a useful research chemical used in the synthesis of sulfonated polyimide membranes for direct methanol fuel cell. |
| Molecular Weight: | 344.36 |
| Molecular Formula: | C12H12N2O6S2 |
| Canonical SMILES: | C1=CC(=C(C=C1N)S(=O)(=O)O)C2=C(C=C(C=C2)N)S(=O)(=O)O |
| InChI: | InChI=1S/C12H12N2O6S2/c13-7-1-3-9(11(5-7)21(15,16)17)10-4-2-8(14)6-12(10)22(18,19)20/h1-6H,13-14H2,(H,15,16,17)(H,18,19,20) |
| InChI Key: | MBJAPGAZEWPEFB-UHFFFAOYSA-N |
| Melting Point: | 347 °F (decomposes) |
| Solubility: | Less than 1 mg/ml at 68 °f |
| Appearance: | Leaflets or prisms or light purple powder |
| References: | Woo, Y., et al. J. Membr. Sci, 220, 1-2, 31-45, (2003). |
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