| Molecular Formula | C5H10O |
| Molar Mass | 86.13 |
| Density | 0.778g/mLat 25°C(lit.) |
| Melting Point | -140°C (estimate) |
| Boling Point | 67-76°C(lit.) |
| Flash Point | −2°F |
| Water Solubility | soluble |
| Vapor Presure | 153mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 0.778 |
| Color | Clear colorless to light yellow |
| BRN | 1735974 |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.398(lit.) |
| Physical and Chemical Properties | Molecular weight 86.13, density 0.778, flash point -18°C, boiling point 70°C. |
| Use | For organic synthesis, but also for coatings, adhesives, additives, plasticizers, etc |
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 3271 3/PG 2 |
| WGK Germany | 3 |
| RTECS | KO0525000 |
| HS Code | 29091990 |
| Hazard Class | 3 |
| Packing Group | II |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| Application | used in organic synthesis, also used in coatings, adhesives, additives, plasticizers, etc |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 4.660/kg; Inhalation-rat LC50: 8000 PPM/ 4 hours |
| stimulation data | Skin-rabbits 8.276 mg/24 h mild; eye-rabbit 500 mg/24 h mild |
| explosive hazard characteristics | Formation of peroxide during storage and distillation |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulation smoke; Strong chemical reactivity; combustion-induced smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| Occupational Standard | 75 F |