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CAS No.: | 5334-41-8 |
---|---|
Name: | 1-Methyl-4-cyano-5-amino-1,2-pyrazole |
Article Data: | 25 |
Molecular Structure: | |
Formula: | C5H6N4 |
Molecular Weight: | 122.129 |
Synonyms: | Pyrazole-4-carbonitrile,5-amino-1-methyl- (6CI,7CI,8CI);1-Methyl-4-cyano-5-aminopyrazole;5-Amino-1-methyl-1H-pyrazole-4-carbonitrile;5-Amino-1-methyl-4-cyanopyrazole;5-Amino-4-cyano-1-methyl-1H-pyrazole;5-Amino-4-cyano-1-methylpyrazole;NSC102022;NSC 1412; |
EINECS: | 610-989-6 |
Density: | 1.321 g/cm3 |
Melting Point: | 221-223 °C |
Boiling Point: | 342.376 °C at 760 mmHg |
Flash Point: | 160.864 °C |
Appearance: | Off-White Crystalline Solid |
Hazard Symbols: | Xi |
PSA: | 67.63000 |
LogP: | 0.45518 |
2-(methoxymethylene)malononitrile
methylhydrazine
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With sulfuric acid; sodium carbonate In ethanol Solvent; Reflux; | 81.6% |
In ethanol Reflux; |
Conditions | Yield |
---|---|
In ethanol for 1h; Heating; | 78% |
In ethanol for 1h; Heating; | 70% |
In ethanol for 1h; Reflux; | 50% |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 78% |
methylhydrazine sulfuric acid
Ethoxymethylenemalononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 77% |
With triethylamine In methanol Reflux; | 77% |
With triethylamine In methanol Reflux; | 77% |
Conditions | Yield |
---|---|
With triethylamine In methanol Reflux; | 77% |
3-Amino-4-cyanopyrazole
methyl iodide
A
3-amino-1-methyl-1H-pyrazole-4-carbonitrile
B
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100 - 120℃; | A 67.3% B n/a |
methylhydrazine
Ethoxymethylenemalononitrile
A
3-amino-1-methyl-1H-pyrazole-4-carbonitrile
B
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol at 0 - 70℃; for 17.5h; Inert atmosphere; regioselective reaction; | A 15 %Chromat. B 49% |
N-amino-N-methyl-N'-(1-methyl-4-cyanopyrazol-5-yl)-formamidine
A
5-amino-4-cyano-1-methylpyrazole
B
3-(5-amino-1-methylpyrazol-4yl)-1methyl-1,2,4-triazole
Conditions | Yield |
---|---|
With trifluoroacetic acid In methanol; toluene for 72h; Heating; | A 48% B 43% |
With trifluoroacetic acid In methanol; toluene Heating; | A 48% B 43% |
orthoformic acid triethyl ester
methylhydrazine
malononitrile
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
In ethanol for 2h; Heating; | 17% |
In ethanol Heating; |
4-cyano-5-<(methoxymethylene)amino>-1-methylpyrazole
5-amino-4-cyano-1-methylpyrazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 89 percent / acetonitrile / Ambient temperature 2: 48 percent / trifluoroacetic acid / toluene; methanol / 72 h / Heating View Scheme |
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IUPAC Name: 5-Amino-1-methylpyrazole-4-carbonitrile
Systematic of 1H-Pyrazole-4-carbonitrile,5-amino-1-methyl- (CAS NO.5334-41-8): Timtec-bb sbb007110 ; Akos b020561 ; 5-Amino-1-methyl-1h-pyrazole-4-carbonitrile ; 5-Amino-4-cyano-1-methylpyrazole ; Art-chem-bb b020561 ; Buttpark 52\04-84 ; 5-Amino-4-cyano-1-methyl-1,2-pyrazole ; 1-Methyl-4-cyano-5-amino-1,2-pyrazole
CAS NO: 5334-41-8
Molecular Formula of 1H-Pyrazole-4-carbonitrile,5-amino-1-methyl- (CAS NO.5334-41-8): C5H6N4
Molecular Weight: 122.1279
Molecular Structure:
Melting Point: 221-223 °C
H bond acceptors: 4
H bond donors: 2
Freely Rotating Bonds: 1
Polar Surface Area: 44.85 Å2
Index of Refraction: 1.649
Molar Refractivity: 33.68 cm3
Molar Volume: 92.4 cm3
Surface Tension: 56.3 dyne/cm
Density of 1H-Pyrazole-4-carbonitrile,5-amino-1-methyl- (CAS NO.5334-41-8): 1.32 g/cm3
Flash Point: 160.9 °C
Enthalpy of Vaporization: 58.61 kJ/mol
Boiling Point: 342.4 °C at 760 mmHg
Vapour Pressure: 7.56E-05 mmHg at 25 °C
Hazard Codes: Xi
HazardClass: IRRITANT