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[ CAS No. 1455-77-2 ]

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Chemical Structure| 1455-77-2
Chemical Structure| 1455-77-2
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CAS No. :1455-77-2 MDL No. :MFCD00005233
Formula : C2H5N5 Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W :99.09 g/mol Pubchem ID :15078
Synonyms :

Safety of [ 1455-77-2 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 1455-77-2 ]

  • Upstream synthesis route of [ 1455-77-2 ]
  • Downstream synthetic route of [ 1455-77-2 ]

[ 1455-77-2 ] Synthesis Path-Upstream   1~16

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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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YieldReaction ConditionsOperation 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. .
Reference: [1] Patent: CN105968058, 2016, A, . Location in patent: Paragraph 0073; 0074; 0075
[2] Chemische Berichte, 1912, vol. 45, p. 2733
[3] Journal fuer Praktische Chemie (Leipzig), 1913, vol. <2>88, p. 312
[4] Gazzetta Chimica Italiana, 1894, vol. 24, p. I 491
[5] Chemistry - A European Journal, 2010, vol. 16, # 5, p. 1572 - 1584
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YieldReaction ConditionsOperation 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.
Reference: [1] Patent: CN105968058, 2016, A, . Location in patent: Paragraph 0049; 0050; 0051
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Reference: [1] Russian Journal of Applied Chemistry, 1999, vol. 72, # 10, p. 1780 - 1783
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Reference: [1] Dalton Transactions, 2015, vol. 44, # 16, p. 7586 - 7594
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Reference: [1] Journal of Heterocyclic Chemistry, 1992, vol. 29, p. 1677 - 1683
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Reference: [1] Russian Journal of Applied Chemistry, 2006, vol. 79, # 4, p. 624 - 630
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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  • [ 18588-61-9 ]
Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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Reference: [1] Chemistry - A European Journal, 2018, vol. 24, # 32, p. 8126 - 8132
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