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Name |
5,6-Dichloro-2,3-dicyanopyrazine |
EINECS | N/A |
CAS No. | 56413-95-7 | Density | 1.68 g/cm3 |
PSA | 73.36000 | LogP | 1.52676 |
Solubility | N/A | Melting Point |
183ºC |
Formula | C6Cl2N4 | Boiling Point | 324.1 °C at 760 mmHg |
Molecular Weight | 198.999 | Flash Point | 149.8 °C |
Transport Information | N/A | Appearance | N/A |
Safety | Risk Codes | N/A | |
Molecular Structure | Hazard Symbols | N/A | |
Synonyms |
5,6-dichloropyrazine-2,3-dicarbonitrile; |
Article Data | 6 |
1,4,5,6-tetrahydro-5,6-dioxo-2,3-pyrazinedicarbonitrile
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide In 1,4-dioxane at 100℃; for 5h; | 90% |
With thionyl chloride In N,N-dimethyl-formamide at 62℃; for 3.5h; Inert atmosphere; | 70% |
With thionyl chloride at 60℃; dioxane, 1 h; dioxane/DMF, 1.5 h; | 55% |
With thionyl chloride |
oxalyl dichloride
1,1-diamino-2,2-dicyanoethylene
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
Stage #1: oxalyl dichloride; 1,1-diamino-2,2-dicyanoethylene Stage #2: With thionyl chloride | 45% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 20℃; for 4h; Inert atmosphere; | 99.2% |
In tetrahydrofuran Ambient temperature; | 98% |
In tetrahydrofuran |
Bis-(2-methoxyethyl)amine
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
In tetrahydrofuran for 5h; Reflux; | 99% |
p-toluidine
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
In tetrahydrofuran Ambient temperature; | 98% |
In tetrahydrofuran |
2,3-dichloro-5,6-dicyanopyrazine
N-phenyl-1,2-benzenediamine
Conditions | Yield |
---|---|
In 1,4-dioxane Reflux; | 97% |
With sodium carbonate |
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
Stage #1: 2,6-bis(methylpropargyl)-p-cresol With potassium carbonate In acetonitrile at 25℃; for 0.166667h; Inert atmosphere; Stage #2: 2,3-dichloro-5,6-dicyanopyrazine In acetonitrile at 25℃; Inert atmosphere; | 97% |
With potassium carbonate In acetonitrile at 20℃; |
4-(methylamino)butyric acid
2,3-dichloro-5,6-dicyanopyrazine
4-((3-chloro-5,6-dicyanopyrazin-2-yl)(methyl)amino)butanoic acid
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 72h; | 96% |
In tetrahydrofuran at 20℃; for 72h; | 96% |
1-(1-Cyclohexen-1-yl)pyrrolidine
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
In benzene for 0.1h; Ambient temperature; | 95% |
2-cyanomethylbenzothiazole
2,3-dichloro-5,6-dicyanopyrazine
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 30 - 40℃; for 12h; Substitution; | 95% |
In N,N-dimethyl-formamide at 40℃; for 3h; |
The cas register number of 5,6-Dichloro-2,3-dicyanopyrazine is 56413-95-7. It also can be called as 5,6-dichloropyrazine-2,3-dicarbonitrile and the IUPAC Name about this chemical is 5,6-dichloropyrazine-2,3-dicarbonitrile. It belongs to the following product categories, such as Chloropyrazines, etc., Dicyanopyrazines, etc. (Building Blocks for Phthalonitriles & Naphthalonitriles), Functional Materials, Phthalonitriles & Naphthalonitriles, Pyrazines and so on.
Physical properties about 5,6-Dichloro-2,3-dicyanopyrazine are: (1)ACD/LogP: 1.76; (2)ACD/LogD (pH 5.5): 1.76; (3)ACD/LogD (pH 7.4): 1.76; (4)ACD/BCF (pH 5.5): 12.77; (5)ACD/BCF (pH 7.4): 12.77; (6)ACD/KOC (pH 5.5): 215.5; (7)ACD/KOC (pH 7.4): 215.5; (8)#H bond acceptors: 4; (9)Polar Surface Area: 73.36Å2; (10)Index of Refraction: 1.612; (11)Molar Refractivity: 41.13 cm3; (12)Molar Volume: 118.1 cm3; (13)Polarizability: 16.3x10-24cm3; (14)Surface Tension: 91.9 dyne/cm; (15)Enthalpy of Vaporization: 56.61 kJ/mol; (16)Boiling Point: 324.1 °C at 760 mmHg; (17)Vapour Pressure: 0.000251 mmHg at 25°C.
Uses of 5,6-Dichloro-2,3-dicyanopyrazine: it can be used to produce 5,6-Dipyrrolidinopyrazin-2,3-dicarbonitril with pyrrolidine at Ambient temperature. This reaction will need solvent dioxane. The yield is about 79%.
You can still convert the following datas into molecular structure:
(1)SMILES: Clc1nc(C#N)c(C#N)nc1Cl
(2)InChI: InChI=1/C6Cl2N4/c7-5-6(8)12-4(2-10)3(1-9)11-5
(3)InChIKey: QUFXYBKGILUJHS-UHFFFAOYAN
(4)Std. InChI: InChI=1S/C6Cl2N4/c7-5-6(8)12-4(2-10)3(1-9)11-5
(5)Std. InChIKey: QUFXYBKGILUJHS-UHFFFAOYSA-N