5-Methyl-4-isoxazolecarboxylic acid
- CAS NO.：42831-50-5
- Empirical Formula: C5H5NO3
- Molecular Weight: 127.1
- MDL number: MFCD00955655
- EINECS: 700-400-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-02-19 12:30:55
What is 5-Methyl-4-isoxazolecarboxylic acid?
Chemical properties
Cream to brown Solid
The Uses of 5-Methyl-4-isoxazolecarboxylic acid
An intermediate for synthesis of Leflunomide (L322750). Herbicidal activities towards Digitaria ciliaris
The Uses of 5-Methyl-4-isoxazolecarboxylic acid
5-Methylisoxazole-4-carboxylic Acid (Leflunomide EP Impurity D) is an intermediate for synthesis of Leflunomide (L322750). Herbicidal activities towards Digitaria ciliaris.
Flammability and Explosibility
Non flammable
Properties of 5-Methyl-4-isoxazolecarboxylic acid
| Melting point: | 144-148 °C(lit.) |
| Boiling point: | 308.3±22.0 °C(Predicted) |
| Density | 1.348±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 2.85±0.25(Predicted) |
| color | White to Pale Brown |
| BRN | 116000 |
| CAS DataBase Reference | 42831-50-5(CAS DataBase Reference) |
Safety information for 5-Methyl-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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. 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-4-isoxazolecarboxylic acid
Abamectin manufacturer
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KARPSCHEM LABORATORIES PVT. LTD.
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Vepan Pharmatech Pvt Ltd
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