5-Methyl-3-phenylisoxazole-4-carbonyl chloride
- CAS NO.：16883-16-2
- Empirical Formula: C11H8ClNO2
- Molecular Weight: 221.64
- MDL number: MFCD00052205
- EINECS: 240-915-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:40:48
What is 5-Methyl-3-phenylisoxazole-4-carbonyl chloride?
The Uses of 5-Methyl-3-phenylisoxazole-4-carbonyl chloride
Used as Intermediate of oxacillin sodium.
Flammability and Explosibility
Not classified
Synthesis
Benzaldehyde and hydroxylamine hydrochloride are oximeated under alkaline conditions to generate benzoxime, which is then chlorinated with chlorine to give benzoxime chloride. It is combined with ethyl acetoacetate to hydrolyze and chlorinated to obtain 5-Methyl-3-phenylisoxazole-4-carbonyl chloride.
Properties of 5-Methyl-3-phenylisoxazole-4-carbonyl chloride
| Melting point: | 24 °C |
| Boiling point: | 115-117 °C(Press: 3 Torr) |
| Density | 1.27 |
| vapor pressure | 0.007Pa at 25℃ |
| Flash point: | >100 |
| solubility | soluble in Methanol |
| form | powder to lump |
| pka | -4.78±0.50(Predicted) |
| color | White to Light yellow |
| Water Solubility | 701.8mg/L at 25℃ |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 16883-16-2(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Isoxazolecarbonyl chloride, 5-methyl-3-phenyl- (16883-16-2) |
Safety information for 5-Methyl-3-phenylisoxazole-4-carbonyl chloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 5-Methyl-3-phenylisoxazole-4-carbonyl chloride
New Products
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