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| CAS No.: | 626-61-9 |
|---|---|
| Name: | 4-chloropyridine |
| Molecular Structure: | |
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| Formula: | C5H4 Cl N |
| Molecular Weight: | 113.546 |
| Synonyms: | 4-Chloropyridine;g-Chloropyridine |
| Density: | 1.2 |
| Melting Point: | -43.5°C |
| Boiling Point: | 147ºC |
| Flash Point: | 53ºC |
| PSA: | 12.89000 |
| LogP: | 1.73500 |

| 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 | 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 | Yield |
|---|---|
| With trichloroacetonitrile; triphenylphosphine In toluene for 4h; Reflux; | 94% |
| With phosphorus pentachloride; trichlorophosphate at 150℃; | |
| With trichlorophosphate |

4-chloro-2-trimethylsilylpyridine

A

4-Chloropyridine

B

4,4'-dichloro-2,2'-bipyridine

| Conditions | Yield |
|---|---|
| With tetrabutyl ammonium fluoride; silver(l) oxide In N,N-dimethyl-formamide at 20℃; for 12h; | A 92% B 5% |

| 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 |

C19H14N2O2

A

4-Chloropyridine

B

benzophenone

C

hexachloroethane

D

benzophenone azine

| Conditions | Yield |
|---|---|
| With tetrachloromethane Ambient temperature; Irradiation; Yields of byproduct given; | A 77% B n/a C n/a D n/a |


| 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 | Yield |
|---|---|
| With dichloromethane for 1h; Ambient temperature; Irradiation; Title compound not separated from byproducts; | A 40% B 4 % Chromat. |

pyridine


tert-Butyl peroxybenzoate

A

3-Chloropyridine

B

2-chloropyridine

C

4-Chloropyridine

D

2,6-dichloropyridine

| 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 |


| Conditions | Yield |
|---|---|
| With phosphorus pentachloride at 140℃; |
IUPAC Name: 4-Chloropyridine
The MF of 4-Chloropyridine (626-61-9) is C5H4ClN.
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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
| 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. |