13999-39-8
4,5-dimethylisoxazol-3-amine
CAS: 13999-39-8
Molecular Formula: C5H8N2O
13999-39-8 - Names and Identifiers
| Name | 4,5-dimethylisoxazol-3-amine |
| Synonyms | azocan-2-one dimethyl-1,2-oxazol-3-amine 4,5-Dimethylisoxazol-3-amine 4,5-dimethylisoxazol-3-amine 3-Amino-4,5-Dimethylisoxazole 4,5-Dimethyl-3-aminoisoxazole 3-Amino-4,5-dimethylisoxazole 3-amino-4,5-dimethylisoxazole 3-IsoxazolaMine, 4,5-diMethyl- 4,5-dimethyl-1,2-oxazol-3-amine (4,5-dimethylisoxazol-3-yl)amine |
| CAS | 13999-39-8 |
| EINECS | 237-802-7 |
| InChI | InChI=1/C5H8N2O/c1-3-4(2)8-7-5(3)6/h1-2H3,(H2,6,7) |
13999-39-8 - Physico-chemical Properties
| Molecular Formula | C5H8N2O |
| Molar Mass | 112.13 |
| Density | 1.118±0.06 g/cm3(Predicted) |
| Melting Point | 115-117 °C |
| Boling Point | 250.0±35.0 °C(Predicted) |
| Flash Point | 104.981°C |
| Vapor Presure | 0.022mmHg at 25°C |
| pKa | 2.26±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.521 |
13999-39-8 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
13999-39-8 - Reference Information
| introduction | 3-amino -4,5-dimethylisoxazole is gray-white to beige crystalline powder, 3-amino -4,5-dihydroisoxazole is used as the nitrized derivative of isoxazoline, it plays an important role in the preparation of various antibacterial drug molecules. |
| preparation method | dissolve hydroxylamine hydrochloride in 100ml of ethyl acetate to prepare a solution; Dissolve sodium bicarbonate in 100ml of water, add 500ml of ethyl acetate, add nitro-substituted α,β-unsaturated ketone in an ice water bath, and add the prepared hydroxylamine hydrochloride ethyl acetate solution dropwise, the temperature of the dropping process is controlled at 0-8 ℃, after the dropping is finished, the water bath is fully reacted for 2 hours, stirred at room temperature for 3 hours, the organic phase is divided, the anhydrous sodium sulfate is dried, and the pressure is concentrated to obtain 3-Nitro-4, 5-dihydroisoxazole. |
Last Update：2024-04-09 21:54:55
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