4,4'-Biphenyldicarboxylic Acid
Synonyms:Biphenyl-4,4'-dicarboxylic acid, 4,4'-dicarboxy biphenyl, biphenyl dicarboxylic acid
| Item | Details |
| CAS No. | 787-70-2 |
| Molecular Formula | C14H10O4 |
| Molecular Weight | 242.23 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 300℃ (sublimation), actual measured 302～304℃ |
| Boiling Point | Approx. 350℃ (decomposes under atmospheric pressure) |
| Density | 1.37 g/cm3(25℃) |
| Solubility | Insoluble in water, slightly soluble in ethanol, methanol and acetone; soluble in DMF, DMSO and alkaline aqueous solutions such as sodium hydroxide solution |
| Stability | Stable under normal temperature and pressure; decomposes under intense heat; avoid contact with strong oxidants and strong alkalis |
| HS Code | 2917399090 (Other aromatic polycarboxylic acids) |
| Packing | 25kg fiber drum / woven bag lined with PE inner bag |
| Storage Conditions | Store in cool and dry warehouse with sealed packaging; isolate air, strong oxidants and strong alkalis; keep away from heat and open flame, store at room temperature away from light |
| Personal Protection | Wear dust mask, nitrile rubber gloves and goggles; avoid inhalation of dust and direct contact with skin and eyes |
| Waste Disposal | Collect and dispose uniformly as organic hazardous waste; strictly prohibit direct discharge into sewers or natural water bodies, do not discard arbitrarily |
| Application Fields | Primary use: core monomer for high-performance polymers; modifier and curing agent for polymer materials; fine chemical intermediate for pharmaceuticals; raw material for optoelectronic functional materials; ligand for MOFs / coordination polymers; intermediate for dyes and fluorescent materials; organic synthesis and catalysis |
