| Melting point | -22.5 °C (lit.) |
| Boiling point | 83-84 °C/12 mmHg (lit.) |
| density | 0.981 g/mL at 25 °C (lit.) |
| vapor density | >1 (vs air) |
| FEMA | 2843 | 4-PENTENOIC ACID |
| refractive index | n |
| Fp | 193 °F |
| storage temp. | 2-8°C |
| pka | pK1:4.677 (25°C) |
| form | Liquid |
| Specific Gravity | 0.981 |
| color | Clear colorless to light yellow |
| explosive limit | 1.58%(V) |
| Water Solubility | Soluble in alcohol, Slightly soluble in water |
| JECFA Number | 314 |
| BRN | 1633696 |
| InChIKey | HVAMZGADVCBITI-UHFFFAOYSA-N |
| CAS DataBase Reference | 591-80-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Pentenoic acid(591-80-0) |
| EPA Substance Registry System | 4-Pentenoic acid (591-80-0) |
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