| Biphenyl-4,4'-dicarboxylic acid Basic information |
| Product Name: | Biphenyl-4,4'-dicarboxylic acid |
| Synonyms: | 4,4'-BIPHENYLDICARBOXYLIC ACID;4,4'-BIBENZOIC ACID;4,4'-DICARBOXYDIPHENYL;4,4'-DIBENZOIC ACID;4,4'-BISBENZOIC ACID;4,4'-DIPHENIC ACID;4,4'-DIPHENYLDICARBOXYLIC ACID;DIPHENYL-4,4'-DICARBOXYLIC ACID |
| CAS: | 787-70-2 |
| MF: | C14H10O4 |
| MW: | 242.23 |
| EINECS: | 212-328-3 |
| Product Categories: | Biphenyl series;Carboxylic Acid Monomers;Biphenyl & Diphenyl ether;Monomers;Polymer Science;API's;Industrial/Fine Chemicals;Biphenyl derivatives;Biphenyls (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;787-70-2 |
| Mol File: | 787-70-2.mol |
| Biphenyl-4,4'-dicarboxylic acid Chemical Properties |
| Melting point | >300 °C(lit.) |
| Boiling point | 482.5±38.0 °C(Predicted) |
| density | 1.347±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 3.77±0.10(Predicted) |
| form | Powder |
| color | White to light beige |
| BRN | 523308 |
| InChIKey | NEQFBGHQPUXOFH-UHFFFAOYSA-N |
| CAS DataBase Reference | 787-70-2(CAS DataBase Reference) |
| EPA Substance Registry System | [1,1'-Biphenyl]-4,4'-dicarboxylic acid (787-70-2) |
| Safety Information |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-20/21/22 |
| Safety Statements | 26-37/39-36 |
| WGK Germany | 3 |
| RTECS | DV2975000 |
| HS Code | 29173990 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Biphenyl-4,4'-dicarboxylic acid Usage And Synthesis |
| Chemical Properties | White to light beige powder |
| Uses | Dendrimer building block. |
| Purification Methods | The dicarboxylic acid is a white amorphous or microcrystalline substance which does not melt or sublime. It is best purified by precipitation of an aqueous alkaline solution with mineral acid, washing well with H2O and drying in vacuo at 100o. It is characterized by conversion to diphenyl-4,4’-dicarbonyl chloride (with PCl5 [Work J Chem Soc 1317 1940], or by phase transfer catalysis with SOCl2 + BuEt3N+Cl-in 1,2-dichloroethane [Burdett Synthesis 441 1991]) which crystallises from *C6H6 with m 184o. The di-acid chloride gives the dimethyl ester with MeOH, and has m 215-217o (plates from MeOH, m’s of 214o and 224o were also reported). The diethyl ester is similarly prepared with EtOH and has m 122o (from EtOH). [Beilstein 9 II 665, 9 III 4519, 9 IV 3563.] |
| Biphenyl-4,4'-dicarboxylic acid Preparation Products And Raw materials |
| Preparation Products | 4,4'-BIPHENYLDICARBONYL CHLORIDE-->4,4'-Bis(hydroxymethyl)biphenyl |
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