| 3-Amino-5-methylisoxazole Basic information |
| Product Name: | 3-Amino-5-methylisoxazole |
| Synonyms: | 3-Isoxazolamine,5-methyl-;3-Methyl-5-aminoisoxazole;5-Methyl-3-aminoisoxazole;5-methyl-3-isoxazolamin;5-Methyl-3-isoxazolamine;Sulfamethoxazole Impurity 3（Sulfamethoxazole EP Impurity C）;5-Methylisoxazol-3-amine, 5-Methyl-1,2-oxazol-3-amine;5-ethylisoxazol-3-aMine |
| CAS: | 1072-67-9 |
| MF: | C4H6N2O |
| MW: | 98.1 |
| EINECS: | 214-013-6 |
| Product Categories: | Amines, Heterocycles, Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Sulfur & Selenium Compounds;Building Blocks;Heterocyclic Building Blocks;Isoxazoles;Amines;Heterocycles;Oxazole&Isoxazole;Impurities;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds |
| Mol File: | 1072-67-9.mol |
| 3-Amino-5-methylisoxazole Chemical Properties |
| Melting point | 59-61 °C(lit.) |
| Boiling point | 183.6°C (rough estimate) |
| density | 1.1890 (rough estimate) |
| refractive index | 1.4327 (estimate) |
| storage temp. | 2-8°C |
| solubility | soluble |
| pka | 2.40±0.10(Predicted) |
| form | Solid |
| color | Off-White to Brown |
| PH | 6.0-7.5 (10g/l, H2O, 20℃) |
| Water Solubility | soluble |
| BRN | 108110 |
| InChIKey | FKPXGNGUVSHWQQ-UHFFFAOYSA-N |
| CAS DataBase Reference | 1072-67-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Isoxazolamine, 5-methyl-(1072-67-9) |
| EPA Substance Registry System | 3-Isoxazolamine, 5-methyl- (1072-67-9) |
| Safety Information |
| Hazard Codes | Xi-F,Xi,F,Xn |
| Risk Statements | 5-36/37/38-11-36/37/38/5-20/21/22 |
| Safety Statements | 22-24/25-47-37/39-26-16-26/37/39/47-36 |
| WGK Germany | 3 |
| F | 4.6 |
| Hazard Note | Irritant |
| HS Code | 29349990 |
| MSDS Information |
| Provider | Language |
|---|---|
| 5-Methylisoxazol-3-amine | English |
| ACROS | English |
| SigmaAldrich | English |
| ALFA | English |
| 3-Amino-5-methylisoxazole Usage And Synthesis |
| Chemical Properties | yellow crystalline powder, crystals and chunks |
| Uses | Sulfamethoxazole (SMX) (S699086) Impurity. A degradation product in water by a bioluminescence method during application of the electro-Fenton treatment. |
| Uses | 3-Amino-5-methylisoxazole was used in synthesis of:
|
| General Description | 3-Amino-5-methylisoxazole is the major intermediate formed during sulfamethoxazole biodegradation by Pseudomonas psychrophila strain HA-4. It is the intermediate formed during the photocatalytic degradation of sulfamethoxazole (SMX). |
| 3-Amino-5-methylisoxazole Preparation Products And Raw materials |
| Raw materials | Ethanol-->Hydrochloric acid-->Ethyl acetate-->Tetrahydrofuran-->Acetic acid-->Sodium nitrite-->Hydrazine hydrate-->Sodium hypochlorite-->1,2-Dichlorobenzene-->Potassium phthalimide-->Methyl vinyl ketone-->5-Methylisoxazole |
| Preparation Products | naphthol AS-RS |
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