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Cas Database |
| Name |
3,5-Dibromopyridine |
EINECS | 210-916-4 |
| CAS No. | 625-92-3 | Density | 2.059 g/cm3 |
| PSA | 12.89000 | LogP | 2.60660 |
| Solubility | Soluble in Chloroform and Methanol. Insoluble in water. | Melting Point |
110-115 °C(lit.) |
| Formula | C5H3Br2N | Boiling Point | 222 °C at 760 mmHg |
| Molecular Weight | 236.894 | Flash Point | 84.3 °C |
| Transport Information | N/A | Appearance | Light-Yellow Solid |
| Safety | 26-36-36/37/39 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  Xi
|
| Synonyms |
Pyridine, 3,5-dibromo-; |
Article Data | 38 |
3,5-Dibromopyridine Synthetic route
| Conditions | Yield |
|---|---|
| With titanium tetrachloride; sodium iodide In acetonitrile at 30℃; for 0.0833333h; | 91% |
| With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate In dichloromethane at 31℃; for 16h; Sealed tube; Irradiation; | 89% |
| With sodium hydroxide; thiourea S,S-dioxide In ethanol at 80 - 85℃; for 2h; | 81% |
| Conditions | Yield |
|---|---|
| With thionyl chloride; sulfuric acid; bromine at 130℃; for 10h; Temperature; | 82% |
| With tetrachloromethane; N-Bromosuccinimide; aluminium trichloride Behandeln des Reaktionsgemisches mit wss. Salzsaeure; |
- 84539-34-4
4-amino-3,5-dibromopyridine
- 625-92-3
3,5-dibromopyridine
| Conditions | Yield |
|---|---|
| With trifluoroacetic acid; isopentyl nitrite In tetrahydrofuran at 70℃; for 7h; | 78% |
- 872273-27-3
3,5-dibromo-4-pyridinesulfonic acid
- 625-92-3
3,5-dibromopyridine
| Conditions | Yield |
|---|---|
| With nickel In ethanol for 4h; Reflux; | 48.54% |
- 625-92-3
3,5-dibromopyridine
| Conditions | Yield |
|---|---|
| Heating; | 4% |
| Conditions | Yield |
|---|---|
| With bromine; aluminium trichloride at 100℃; for 5h; Product distribution; various ratios pyridine:bromine, various Lewis catalysts, various temperatures; | |
| With bromine at 300℃; Leiten ueber Bimsstein oder ueber mit Kupfer(I)-bromid impraegnierten Bimsstein; | |
| With bromine at 300℃; Leiten ueber mit Kupfer(I)-bromid oder Eisen(II)-bromid impraegnierten Bimsstein; | |
| With bromine at 300℃; Leiten ueber Bimsstein; |
| Conditions | Yield |
|---|---|
| With bromine at 120 - 130℃; |
| Conditions | Yield |
|---|---|
| With bromine at 170℃; |
| Conditions | Yield |
|---|---|
| With bromine at 180℃; im Rohr; |
| Conditions | Yield |
|---|---|
| With bromine; acetic acid at 60 - 65℃; Abdestillieren des Eisessigs und Erhitzen des Rueckstandes auf 230-250grad; |
3,5-Dibromopyridine Chemical Properties
Molecular Structure of 3,5-Dibromopyridine (CAS NO.625-92-3):
.gif)
IUPAC Name: 3,5-Dibromopyridine
Canonical SMILES: C1=C(C=NC=C1Br)Br
InChI: InChI=1S/C5H3Br2N/c6-4-1-5(7)3-8-2-4/h1-3H
InChIKey: SOSPMXMEOFGPIM-UHFFFAOYSA-N
Molecular Weight: 236.89202 [g/mol]
Molecular Formula: C5H3Br2N
XLogP3-AA: 2.2
H-Bond Donor: 0
H-Bond Acceptor: 1
EINECS: 210-916-4
Index of Refraction: 1.607
Molar Refractivity: 39.72 cm3
Molar Volume: 115 cm3
Surface Tension: 47.7 dyne/cm
Density: 2.059 g/cm3
Flash Point: 84.3 °C
Enthalpy of Vaporization: 43.98 kJ/mol
Boiling Point: 222 °C at 760 mmHg
Vapour Pressure: 0.155 mmHg at 25 °C
Appearance: Light-Yellow Solid
Melting Point: 110-115 °C(lit.)
Product Categories: blocks; Bromides; Pyridines; Pyridine; Pyridines, Pyrimidines, Purines and Pteredines; Pyridines derivates; API intermediates; Halogenated; Organohalides; Aromatics Compounds; Bromopyridines; Halopyridines; Aromatics; Bases & Related Reagents; Nucleotides; Halogenated Heterocycles; Heterocyclic Building Blocks; C5Heterocyclic Building Blocks; Brominated heterocyclic series
3,5-Dibromopyridine Uses
3,5-Dibromopyridine (CAS NO.625-92-3) is used as a kind of intermediates in medicine.
3,5-Dibromopyridine Safety Profile
Safety Information of 3,5-Dibromopyridine (CAS NO.625-92-3):
Hazard Codes: 
Xn,
Xi
Risk Statements: 36/37/38-20/21/22
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: 26-36-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT
3,5-Dibromopyridine Specification
3,5-Dibromopyridine (CAS NO.625-92-3), its Synonyms are Pyridine, 3,5-dibromo- ; 3,5-Dibromo pyridine .
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