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Cas Database |
| Name |
4-CHLOROPYRIDINE |
EINECS | N/A |
| CAS No. | 626-61-9 | Density | 1.2 |
| PSA | 12.89000 | LogP | 1.73500 |
| Solubility | N/A | Melting Point |
-43.5°C |
| Formula | C5H4 Cl N | Boiling Point | 147ºC |
| Molecular Weight | 113.546 | Flash Point | 53ºC |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
4-Chloropyridine;g-Chloropyridine |
Article Data | 81 |
4-CHLOROPYRIDINE Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With potassium carbonate In acetonitrile at 20℃; for 6h; Inert atmosphere; Schlenk technique; | 100% |
| With sodium hydroxide In water Cooling with ice; | 50% |
| With sodium hydroxide In 2-methyltetrahydrofuran; water |
Conditions
| Conditions | Yield |
|---|---|
| With titanium tetrachloride; tin(ll) chloride In diethyl ether for 0.5h; Ambient temperature; | 95% |
| With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 0 - 35℃; for 0.25h; Reduction; | 95% |
| With sodium tetrahydroborate; lithium chloride In tetrahydrofuran at 35℃; for 0.5h; Reduction; | 95% |
Conditions
| Conditions | Yield |
|---|---|
| With trichloroacetonitrile; triphenylphosphine In toluene for 4h; Reflux; | 94% |
| With phosphorus pentachloride; trichlorophosphate at 150℃; | |
| With trichlorophosphate |
- 139585-50-5
4-chloro-2-trimethylsilylpyridine
A
- 626-61-9
4-Chloropyridine
B
- 1762-41-0
4,4'-dichloro-2,2'-bipyridine
Conditions
| Conditions | Yield |
|---|---|
| With tetrabutyl ammonium fluoride; silver(l) oxide In N,N-dimethyl-formamide at 20℃; for 12h; | A 92% B 5% |
Conditions
| Conditions | Yield |
|---|---|
| With trichlorophosphate | 80% |
| Multi-step reaction with 2 steps 1: phosphorus (V)-sulfide / 60 - 70 °C 2: water containing acetic acid; chlorine / Behandeln des Reaktionsprodukts mit wss. Ammoniak View Scheme |
- 93845-12-6
C19H14N2O2
A
- 626-61-9
4-Chloropyridine
B
- 119-61-9
benzophenone
C
- 67-72-1
hexachloroethane
D
- 983-79-9
benzophenone azine
Conditions
| Conditions | Yield |
|---|---|
| With tetrachloromethane Ambient temperature; Irradiation; Yields of byproduct given; | A 77% B n/a C n/a D n/a |
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: 4-aminopyridine With tert.-butylnitrite In acetonitrile at 20℃; Sandmeyer Reaction; Flow reactor; Stage #2: With copper dichloride In ethylene glycol; acetonitrile at 82℃; Sandmeyer Reaction; Flow reactor; | 47% |
Conditions
| Conditions | Yield |
|---|---|
| With dichloromethane for 1h; Ambient temperature; Irradiation; Title compound not separated from byproducts; | A 40% B 4 % Chromat. |
- 110-86-1
pyridine
- 614-45-9
tert-Butyl peroxybenzoate
A
- 626-60-8
3-Chloropyridine
B
- 109-09-1
2-chloropyridine
C
- 626-61-9
4-Chloropyridine
D
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2,6-dichloropyridine
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: pyridine With chlorine; di-tert-butyl peroxide In tetrachloromethane; water at 231 - 244℃; for 0.00361111 - 0.00722222h; Stage #2: tert-Butyl peroxybenzoate Product distribution / selectivity; | A n/a B 35% C n/a D n/a |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With phosphorus pentachloride at 140℃; |
4-CHLOROPYRIDINE Chemical Properties
IUPAC Name: 4-Chloropyridine
The MF of 4-Chloropyridine (626-61-9) is C5H4ClN.
The MW of 4-Chloropyridine (626-61-9) is 113.54.
Synonyms of 4-Chloropyridine (626-61-9): Pyridine, 4-chloro- ; Pyridine, chloro derivs ; EINECS 210-956-2 ; BRN 0105875 ; ZINC00402776
Index of Refraction: 1.53
Density: 1.2 g/ml
Flash Point: 52.7 °C
Boiling Point: 146.9 °C
4-CHLOROPYRIDINE Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 275mg/kg (275mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: ANTIPSYCHOTIC | Toxicology and Applied Pharmacology. Vol. 11, Pg. 361, 1967. |
| quail | LD50 | oral | > 600mg/kg (600mg/kg) | Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982. |
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