5-AMINO-1,3-DIMETHYLPYRAZOLE
1,3-Dimethyl-1H-pyrazol-5-amine
CAS: 3524-32-1
Molecular Formula: C5H9N3
5-AMINO-1,3-DIMETHYLPYRAZOLE - Names and Identifiers
| Name | 1,3-Dimethyl-1H-pyrazol-5-amine |
| Synonyms | AKOS B024294 AKOS PAO-1219 BUTTPARK 29 4-74 AKOS BBS-00004675 ART-CHEM-BB B024294 5-AMINO-1,3-DIMETHYLPYRAZOLE 1,3-Dimethyl-1H-pyrazol-5-amine 1,3-Dimethyl-1H-pyrazole-5-amine 3-AMINO-2,5-DIMETHYL-2H-PYRAZOLE 1,3-Dimethyl-1H-pyrazol-5-ylamine 2,5-DIMETHYL-2H-PYRAZOL-3-YLAMINE 1H-Pyrazol-5-amine, 1,3-dimethyl- 1,3-dimethyl-1H-pyrazol-5-amine hydrochloride |
| CAS | 3524-32-1 |
| EINECS | 2017-001-1 |
| InChI | InChI=1/C5H9N3.ClH/c1-4-3-5(6)8(2)7-4;/h3H,6H2,1-2H3;1H |
5-AMINO-1,3-DIMETHYLPYRAZOLE - Physico-chemical Properties
| Molecular Formula | C5H9N3 |
| Molar Mass | 111.15 |
| Density | 1.17±0.1 g/cm3(Predicted) |
| Melting Point | 65-69 °C (lit.) |
| Boling Point | 121-123 °C(Press: 9 Torr) |
| Flash Point | 88°C |
| Vapor Presure | 0.0521mmHg at 25°C |
| BRN | 113420 |
| pKa | 4?+-.0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00051651 |
5-AMINO-1,3-DIMETHYLPYRAZOLE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29331990 |
5-AMINO-1,3-DIMETHYLPYRAZOLE - Reference Information
| Uses | 5-amino-1, 3-dimethylpyrazole is a heterocyclic derivative that can be used as an intermediate in organic synthesis. |
| Preparation | There are many ways to synthesize 5-amino -1, 3-dimethylpyrazole: Condensation with Mannich base and methylhydrazine [1]. Add methylhydrazine to a condensation pot, add 3-amino croton nitrile at 90-95 ℃, add it in about 30-40min, after condensation, the pH is 2.5-3, the temperature is reduced to 45 ℃ after reaction, wash with water to neutral or acidic, and dry to obtain the finished product. |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-09 21:54:55
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View History
5-AMINO-1,3-DIMETHYLPYRAZOLE
4-((5-溴-6-氯-2-((4-氰基苯基)氨基)-4-嘧啶)氧)-3,5-二甲基苯甲腈
ARACHIDYL BROMIDE
4-Aminobenzenesulfonamide
Lithium tris[(3-ethyl-3-pentyl)oxy]aluminohydride, 0.5M solution in THF, AcroSeal
1,3-BIS(3-CARBOXYPROPYL)TETRAMETHYLDISILOXANE
4-((5-溴-6-氯-2-((4-氰基苯基)氨基)-4-嘧啶)氧)-3,5-二甲基苯甲腈
ARACHIDYL BROMIDE
4-Aminobenzenesulfonamide
Lithium tris[(3-ethyl-3-pentyl)oxy]aluminohydride, 0.5M solution in THF, AcroSeal
1,3-BIS(3-CARBOXYPROPYL)TETRAMETHYLDISILOXANE