4-Isoxazolecarboxylic acid
- CAS NO.：6436-62-0
- Empirical Formula: C4H3NO3
- Molecular Weight: 113.07
- MDL number: MFCD06738806
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:28:58
What is 4-Isoxazolecarboxylic acid?
Chemical properties
off-white to light yellow powder
Properties of 4-Isoxazolecarboxylic acid
| Melting point: | 123-124 °C |
| Boiling point: | 321.2±15.0 °C(Predicted) |
| Density | 1.449±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C(protect from light) |
| pka | 3.22±0.10(Predicted) |
| color | Off-white to pink |
Safety information for 4-Isoxazolecarboxylic acid
| 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 |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4-Isoxazolecarboxylic acid
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