| Melting point | 49-51 °C(lit.) |
| Boiling point | 165 °C10 mm Hg(lit.) |
| density | 1.0326 (rough estimate) |
| refractive index | 1.5405 (estimate) |
| Fp | >230 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 5.3g/l |
| form | Crystalline Powder |
| pka | 4.76(at 25℃) |
| color | White to slightly yellow |
| Water Solubility | 5.3 g/L at 40 ºC |
| BRN | 638180 |
| InChIKey | OBKXEAXTFZPCHS-UHFFFAOYSA-N |
| CAS DataBase Reference | 1821-12-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Phenylbutanoic acid(1821-12-1) |
| EPA Substance Registry System | 4-Phenylbutyric acid (1821-12-1) |
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