1-Phenyl-1,2-propanedione-2-oxime
Synonym(s):1-Phenyl-1,2-propanedione-2-oxime;2-(Hydroxyimino)propiophenone;NSC 5410
- CAS NO.：119-51-7
- Empirical Formula: C9H9NO2
- Molecular Weight: 163.17
- MDL number: MFCD00002115
- EINECS: 204-329-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:02:09
What is 1-Phenyl-1,2-propanedione-2-oxime?
Chemical properties
WHITE TO LIGHT YELLOW CRYSTALS
The Uses of 1-Phenyl-1,2-propanedione-2-oxime
Reactant involved in synthesis of:
- Cyclometalated iridium complexes for photophysical and electrochemical studies
- Hydroimidazothiazoles via iodination and cyclization reactions
Reactant involved in:
- Sonogashira coupling reactions
- Allylation of aromatic aldehydes using imidazole oside catalysts
- Beckmann rearrangement of α-oximinoketones
Reagent used in the colorimetric determination of urea
What are the applications of Application
α-Isonitrosopropiophenone is a reactant involved in Sonogashira coupling reactions
Synthesis Reference(s)
Organic Syntheses, Coll. Vol. 2, p. 363, 1943
Tetrahedron Letters, 30, p. 2833, 1989 DOI: 10.1016/S0040-4039(00)99137-8
Properties of 1-Phenyl-1,2-propanedione-2-oxime
| Melting point: | 113-115 °C(lit.) |
| Boiling point: | 290.25°C (rough estimate) |
| Density | 1.2021 (rough estimate) |
| refractive index | 1.5460 (estimate) |
| storage temp. | 2-8°C |
| solubility | soluble in Methanol |
| form | Crystals |
| pka | 9.28±0.10(Predicted) |
| color | White to light yellow |
| λmax | 398nm(MeOH)(lit.) |
| CAS DataBase Reference | 119-51-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Phenyl-1,2-propane-dione-2-oxime(119-51-7) |
| EPA Substance Registry System | 1,2-Propanedione, 1-phenyl-, 2-oxime (119-51-7) |
Safety information for 1-Phenyl-1,2-propanedione-2-oxime
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H400:Hazardous to the aquatic environment, acute hazard H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
Computed Descriptors for 1-Phenyl-1,2-propanedione-2-oxime
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