Functional Roles
Industries Served
Physical Properties
melting_point
-51 u00b0F (USCG, 1999)
boiling_point
266 u00b0F at 760 mmHg (USCG, 1999)
density
0.853 at 68 u00b0F (USCG, 1999) - Less dense than water; will float
solubility
3 % (NIOSH, 2024)
vapor_pressure
9 mmHg (NIOSH, 2024)
flash_point
73 u00b0F (USCG, 1999)
GHS / SDS Safety
Warning
Irritant
Acute Toxic
Flammable
Health Hazard
- H319 (12.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H331 (14.5%): Toxic if inhaled [Danger Acute toxicity, inhalation]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H312 (98.9%): Harmful in contact with skin [Warning Acute toxicity, dermal]
- H332 (84.7%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H315 (12.2%): Causes skin irritation [Warning Skin corrosion/irritation]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
- H302 (99.4%): Harmful if swallowed [Warning Acute toxicity, oral]
- H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
- H335 (12.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H226: Flammable liquid and vapor [Warning Flammable liquids]
- H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H226 (99.4%): Flammable liquid and vapor [Warning Flammable liquids]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
Chemical Identity
| CAS Number | 141-79-7 |
| IUPAC Name | 4-methylpent-3-en-2-one |
| InChI Key | SHOJXDKTYKFBRD-UHFFFAOYSA-N |
| PubChem CID | 8858 |
| INCI Name | 4-METHYLPENT-3-EN-2-ONE |
Synonyms & Trade Names
Full Description
Intermediate in organic synthesis and used in coatings and solvents.