625-33-2
| Name | 3-PENTEN-2-ONE |
| CAS | 625-33-2 |
| EINECS(EC#) | 210-888-3 |
| Molecular Formula | C5H8O |
| MDL Number | MFCD00009290 |
| Molecular Weight | 84.12 |
| MOL File | 625-33-2.mol |
Chemical Properties
| Appearance | colourless liquid with a pungent odour |
| Boiling point | 121-124 °C(lit.) |
| density | 0.862 g/mL at 25 °C(lit.) |
| vapor pressure | 760 mm Hg ( 121 °C) |
| FEMA | 3417 | 3-PENTEN-2-ONE |
| refractive index | n |
| Fp | 70 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
| form | Liquid |
| color | Clear colorless |
| Odor | at 0.10 % in dipropylene glycol. fruity acetone phenolic fishy |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing and strong reducing agents, strong acids, strong bases. |
| Odor Type | fruity |
| Water Solubility | Slightly soluble in Water |
| JECFA Number | 1124 |
| BRN | 1633505 |
| InChI | 1S/C5H8O/c1-3-4-5(2)6/h3-4H,1-2H3 |
| InChIKey | LABTWGUMFABVFG-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) |   GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H311-H315-H319-H335 |
| Precautionary statements | P210-P233-P240-P280-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | F,Xn |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 1992 3/PG 2 |
| WGK Germany | 3 |
| RTECS | SB3850000 |
| F | 10-19 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29141990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 3 Dermal Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |