Products Categories
CAS No.: | 23056-36-2 |
---|---|
Name: | 2-Chloro-4-nitropyridine |
Article Data: | 5 |
Molecular Structure: | |
Formula: | C5H3ClN2O2 |
Molecular Weight: | 158.544 |
Synonyms: | 2-Chlor-4-nitropyridin;pyridine, 2-chloro-4-nitro-; |
EINECS: | -0 |
Density: | 1.489 g/cm3 |
Melting Point: | 52-56 °C |
Boiling Point: | 258.4 °C at 760 mmHg |
Flash Point: | 110.1 °C |
Appearance: | Light yellow powder |
Hazard Symbols: | Xn, Xi |
Risk Codes: | 20/21/22-36/37/38 |
Safety: | 26-36 |
PSA: | 58.71000 |
LogP: | 2.16640 |
2-chloro-4-nitropyridine-N-oxide
2-chloro-4-nitropyridine
Conditions | Yield |
---|---|
With phosphorus trichloride In dichloromethaneu for 4h; Reflux; | 88% |
With phosphorus trichloride In chloroform at 20℃; Heating / reflux; | 78% |
With ethyl acetate; phosphorus trichloride |
Conditions | Yield |
---|---|
60% |
2-chloropyridine
2-chloro-4-nitropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: peroxyacetic acid; acetic acid 2: concentrated sulfuric acid; nitric acid 3: phosphorus (III)-chloride; ethyl acetate View Scheme |
2-chloropyridine-N-oxide
2-chloro-4-nitropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concentrated sulfuric acid; nitric acid 2: phosphorus (III)-chloride; ethyl acetate View Scheme |
2-chloro-4-nitropyridine
2-methoxy-ethanol
2-chloro-4-(2-methoxyethoxy)pyridine
Conditions | Yield |
---|---|
With potassium tert-butylate at 0 - 20℃; for 16.5h; | 100% |
With sodium hydride In tetrahydrofuran at 0 - 25℃; for 10h; | 98% |
With potassium tert-butylate at 0 - 20℃; for 2h; | 97% |
Conditions | Yield |
---|---|
Stage #1: 4-Phenylimidazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.25h; Stage #2: 2-chloro-4-nitropyridine In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.166667h; | 100% |
2-chloro-4-nitropyridine
2-(3,4-dimethoxyphenyl)ethyl alcohol
2-chloro-4-(2-(3,4-dimethoxyphenyl)ethoxy)pyridine
Conditions | Yield |
---|---|
With sodium hydride In paraffin oil (nujol); N,N-dimethyl-formamide at 0 - 20℃; for 1h; | 100% |
2-chloro-4-nitropyridine
3,5-bis(trifluoromethyl)pyrazole
Conditions | Yield |
---|---|
In N-methyl-acetamide; hexane; ethyl acetate | 99% |
Conditions | Yield |
---|---|
Stage #1: 2-chloro-4-nitropyridine; tributyl(1-ethoxyvinyl)stannane With bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 85℃; for 3h; Inert atmosphere; Stage #2: With hydrogenchloride In water at 20℃; Solvent; Temperature; Reagent/catalyst; | 99% |
2-chloro-4-nitropyridine
4-Amino-2-chloropyridine
Conditions | Yield |
---|---|
With titanium for 0.25h; | 98% |
With zinc borohydride pyridine complex In tetrahydrofuran for 2h; Heating; | 96% |
With C36H56Cl3CrN2O; magnesium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In tetrahydrofuran at 60℃; for 24h; Inert atmosphere; chemoselective reaction; | 95% |
What can I do for you?
Get Best Price
Molecular Structure of 2-Chloro-4-nitropyridine (CAS NO.23056-36-2):
Molecular formula: C5H3ClN2O2.
Molecular Weight: 158.54
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 58.71 Å2
Index of Refraction: 1.587
Molar Refractivity: 35.78 cm3
Molar Volume: 106.4 cm3
Surface Tension: 57.2 dyne/cm
Density: 1.489 g/cm3
Flash Point: 110.1 °C
Enthalpy of Vaporization: 47.6 kJ/mol
Boiling Point: 258.4 °C at 760 mmHg
Vapour Pressure: 0.0222 mmHg at 25°C
Melting point: 52-56 °C
Product Categories: Pyridine; Pyridines; Pyridine Derivertives; C5Heterocyclic Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks
Hazard Codes: Xn,Xi
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
HazardClass: Irritant
PackingGroup: III
2-Chloro-4-nitropyridine , with CAS number of 23056-36-2, can be called pyridine, 2-chloro-4-nitro- ; 2-Chlor-4-nitropyridin . It is a light yellow powder, 2-Chloro-4-nitropyridine (CAS NO.23056-36-2) is used as intermediates in fields of medicine, materials of chemical industry and so on.