Description
| CAS | 123-73-9 |
| Molecular Formula | C4H6O |
| Molecular Weight | 70.09 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Liquid | Colour | Pale yellow |
| Odour | Pungent | Melting Point/ Freezing Point [°C] | – 76.0 °C |
| Auto-Ignition Temperature [°C] | 160 °C | Flash Point [°C] | 9 °C |
| Boiling Point [°C] | 104 °C | Vapour Pressure [20°C] | 32 mm Hg 20 °C |
| Vapour Pressure Mm/Hg | 32 mm Hg 20 °C | Vapour Density | 2.41 |
| Density [g/cm3] | 0.846 | Solubility in Water [% weight] | Soluble |
| Explosion Limits – Upper [%] | 19.50% | Explosion Limits -Lower [%] | 2.50% |
| Specifications | |||
| Appearance | A clear pale yellow liquid | Assay (Gc Area %) | Min 99% |
| Density (D20°C/4°C) | 0.851 – 0.853 | ||
| Dangerous Goods Information | |||
| UN Number | 1143 | DG Class | 6.1,3 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS02, GHS06, GHS09 |
| Signal Word | Warning |















