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Cas Database |
| Name |
2-Chloropyrazine |
EINECS | 238-517-0 |
| CAS No. | 14508-49-7 | Density | 1.303 g/cm3 |
| PSA | 25.78000 | LogP | 1.13000 |
| Solubility | insoluble in water | Melting Point |
153～154℃ |
| Formula | C4H3ClN2 | Boiling Point | 155.3 °C at 760 mmHg |
| Molecular Weight | 114.534 | Flash Point | 57 °C |
| Transport Information | UN 1993 3/PG 3 | Appearance | clear colorless to yellowish liquid |
| Safety | 26-36-37/39 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Pyrazine,chloro- (6CI,7CI,8CI,9CI);Pyrazine,2-chloro-;Chloropyrazine;Pyrazin-2-ylchloride; |
Article Data | 25 |
2-Chloropyrazine Synthetic route
- 24387-68-6
2-hydroxypyrazine sodium salt
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With thionyl chloride; N-ethyl-N,N-diisopropylamine In chloroform at 65℃; for 2h; Reagent/catalyst; | 95.4% |
- 6270-63-9
pyrazin-2-ol
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With dmap; thionyl chloride; bis(trichloromethyl) carbonate for 10.5h; Reflux; Green chemistry; | 89% |
| With trichlorophosphate for 0.666667h; Heating; | 84% |
| With trichlorophosphate |
- 98-97-5
2-pyrazylcarboxylic acid
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With thionyl chloride In pyridine; para-tert-butylphenol; benzene | 75% |
- 2423-65-6
Pyrazin-N-Oxid(PyzNO)
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With trichlorophosphate at 70℃; for 2h; | 37% |
| With trichlorophosphate | 35% |
- 2423-65-6
Pyrazin-N-Oxid(PyzNO)
A
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With trichlorophosphate for 0.5h; Product distribution; Ambient temperature; | A 13% B 30% C n/a |
- 290-37-9
1,4-pyrazine
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With chlorine at 500℃; | |
| With water; chlorine at 450℃; |
- 6270-63-9
pyrazin-2(1H)-one
- 14508-49-7
2-chloropyrazin
| Conditions | Yield |
|---|---|
| With phosphorus pentachloride; trichlorophosphate | |
| With trichlorophosphate |
| Conditions | Yield |
|---|---|
| at 550℃; Yield given. Yields of byproduct given; |
- 616-47-7
1-methyl-1H-imidazole
- 67-66-3
chloroform
A
- 14508-49-7
2-chloropyrazin
B
- 4513-94-4
1H-pyrrole-2-carbonitrile
C
- 17180-94-8
5-chloropyrimidine
D
- 51269-82-0
5-chloronicotinonitrile
| Conditions | Yield |
|---|---|
| at 550℃; Yield given. Further byproducts given. Yields of byproduct given; |
- 616-47-7
1-methyl-1H-imidazole
- 67-66-3
chloroform
A
- 14508-49-7
2-chloropyrazin
B
- 17180-94-8
5-chloropyrimidine
C
- 89809-64-3
2-cyano-5-chloropyridine
D
- 51269-82-0
5-chloronicotinonitrile
| Conditions | Yield |
|---|---|
| at 550℃; Yield given. Further byproducts given. Yields of byproduct given; |
2-Chloropyrazine Chemical Properties
Molecular Structure of 2-Chloropyrazine (CAS NO.14508-49-7):
IUPAC Name: 2-Chloropyrazine
Molecular Formula: C4H3ClN2
Molecular Weight: 114.53 g/mol
Density: 1.303 g/cm3
Flash Point: 57.8 °C
Boiling Point: 155.3 °C at 760 mmHg
Water Solubility: insoluble
Index of Refraction: 1.534
Molar Refractivity: 27.33 cm3
Molar Volume: 87.8 cm3
Surface Tension: 48.2 dyne/cm
XLogP3: 0.7
H-Bond Acceptor: 2
Exact Mass: 113.998476
MonoIsotopic Mass: 113.998476
Topological Polar Surface Area: 25.8
Heavy Atom Count: 7
Canonical SMILES: C1=CN=C(C=N1)Cl
InChI: InChI=1S/C4H3ClN2/c5-4-3-6-1-2-7-4/h1-3H
InChIKey: GELVZYOEQVJIRR-UHFFFAOYSA-N
EINECS: 238-517-0
Product Categories: Halides; Heterocycles; Pyrazines; Pyrazine; Chloropyrazines, etc.; Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks; PyrazinesHeterocyclic Building Blocks
2-Chloropyrazine Uses
2-Chloropyrazine (CAS NO.14508-49-7) is used as intermediates of medicine and pesticide.
2-Chloropyrazine Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
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.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
Hazard Note: Irritant
TSCA: T
HazardClass: 3
PackingGroup: III
HS Code: 29339990
2-Chloropyrazine Specification
2-Chloropyrazine (CAS NO.14508-49-7) is also named as Chloropyrazine ; Pyrazine, 2-chloro- ; Pyrazine, chloro- . 2-Chloropyrazine (CAS NO.14508-49-7) is clear colorless to yellowish liquid.
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