4-Amino-3-penten-2-one
Synonym(s):Acetylacetonamine
- CAS NO.：1118-66-7
- Empirical Formula: C5H9NO
- Molecular Weight: 99.13
- MDL number: MFCD00043715
- EINECS: 627-905-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:19
What is 4-Amino-3-penten-2-one?
Chemical properties
YELLOW TO BROWN CRYSTALLINE SOLID
Definition
ChEBI: 4-aminopent-3-en-2-one is an enaminone.
Synthesis Reference(s)
The Journal of Organic Chemistry, 49, p. 3327, 1984 DOI: 10.1021/jo00192a015
Tetrahedron Letters, 23, p. 3925, 1982 DOI: 10.1016/S0040-4039(00)87744-8
Properties of 4-Amino-3-penten-2-one
| Melting point: | 38 °C |
| Boiling point: | 130-131 °C |
| Density | 1.0343 (rough estimate) |
| refractive index | 1.4370 (estimate) |
| Flash point: | 209-213°C |
| storage temp. | 2-8°C |
| form | powder to crystal |
| pka | 5.93±0.70(Predicted) |
| color | White to Orange to Green |
| Water Solubility | Insoluble |
| BRN | 1209344 |
| CAS DataBase Reference | 1118-66-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Penten-2-one, 4-amino-(1118-66-7) |
Safety information for 4-Amino-3-penten-2-one
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Amino-3-penten-2-one
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