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CAS No. : | 1455-77-2 | MDL No. : | MFCD00005233 |
Formula : | C2H5N5 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | PKWIYNIDEDLDCJ-UHFFFAOYSA-N |
M.W : | 99.09 | Pubchem ID : | 15078 |
Synonyms : |
|
Num. heavy atoms : | 7 |
Num. arom. heavy atoms : | 5 |
Fraction Csp3 : | 0.0 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 3.0 |
Molar Refractivity : | 25.19 |
TPSA : | 93.61 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -7.41 cm/s |
Log Po/w (iLOGP) : | -0.52 |
Log Po/w (XLOGP3) : | -0.71 |
Log Po/w (WLOGP) : | -1.01 |
Log Po/w (MLOGP) : | -1.84 |
Log Po/w (SILICOS-IT) : | -0.14 |
Consensus Log Po/w : | -0.84 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 2.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.54 |
Solubility : | 28.9 mg/ml ; 0.291 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.78 |
Solubility : | 16.4 mg/ml ; 0.166 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -0.06 |
Solubility : | 85.5 mg/ml ; 0.863 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.75 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With hydrazine hydrate; hydrazinium sulfate In water at 50 - 125℃; for 16 h; | 500mL water was added into a 2000ml three-necked flask, Then 200.0 g of dicyandiamide was stirred vigorously for 20 minutes to form a cloudy liquid,Then 155g hydrazine sulfate added, And the mixture was heated to 50 °C. 80percentconcentrationof hydrazine hydrate 72 ml are added and the reaction heated to 120 °C to 125 °C during which time all the solids slowly dissolve. The reaction was stirred at this temperature for 16 hours. After this time, a small amount of solids precipitated from the solution. After the reaction was completed, heating was stopped and the reaction mixture was cooled to room temperature. Add 100 mL of 10percent strength sodium carbonate solution to adjust pH to 9 .The reaction was transferred to a 2 L separatory funnel, the organic phase was extracted with 500 mL of dichloromethane, the organic phase was washed with water and dried over anhydrous sodium sulfate, evaporation of methylene chloride gave a white solid, After drying in a hot air oven, 169 g of white 3,5-diamino 1,2,4-triazole (yield based on dicyandiamide: 72percent) was obtained. . |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | Stage #1: at 110℃; for 3 h; Autoclave; Industrial scale Stage #2: With sodium sulfide In water for 0.5 h; Reflux; Industrial scale |
A 10 L autoclave was charged with 2.5 Kg of copper hydroxide (98percent), 3.0 Kg of ammonium chloride (99percent) and cyanamine (50percent) 4.2 Kg. The amount of material to be cast is only 1: 2.2: 2, In sealed and stirred state,The autoclave was pressurized and slowly warmed to 110 degrees Celsius. After 3 hours of reaction, the reaction temperature was slowly lowered to room temperature and a dark red solid was obtained after filtration. transfer the red solid to a 50L glass reaction kettle, 25 L of 1.4 kg sodium sulfide in water was added.Heated to reflux for 30 minutes to produce a red precipitate, the mixture was filtered through a filter cartridge to the extraction kettle,In the extraction vessel was added 15L dichloromethane, the organic phase was extracted, evaporated to dryness dichloromethane to give a white solid,After drying in a hot air oven, 2.2 kg of white 3,5-diamino 1,2,4-triazole(yield: 88percent in terms of cyanamide) was obtained. |
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