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CAS No.: | 625-92-3 |
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Name: | 3,5-Dibromopyridine |
Article Data: | 38 |
Molecular Structure: | |
Formula: | C5H3Br2N |
Molecular Weight: | 236.894 |
Synonyms: | Pyridine, 3,5-dibromo-; |
EINECS: | 210-916-4 |
Density: | 2.059 g/cm3 |
Melting Point: | 110-115 °C(lit.) |
Boiling Point: | 222 °C at 760 mmHg |
Flash Point: | 84.3 °C |
Solubility: | Soluble in Chloroform and Methanol. Insoluble in water. |
Appearance: | Light-Yellow Solid |
Hazard Symbols: | Xn, Xi |
Risk Codes: | 36/37/38-20/21/22 |
Safety: | 26-36-36/37/39 |
PSA: | 12.89000 |
LogP: | 2.60660 |
Conditions | Yield |
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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 |
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With thionyl chloride; sulfuric acid; bromine at 130℃; for 10h; Temperature; | 82% |
With tetrachloromethane; N-Bromosuccinimide; aluminium trichloride Behandeln des Reaktionsgemisches mit wss. Salzsaeure; |
4-amino-3,5-dibromopyridine
3,5-dibromopyridine
Conditions | Yield |
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With trifluoroacetic acid; isopentyl nitrite In tetrahydrofuran at 70℃; for 7h; | 78% |
3,5-dibromo-4-pyridinesulfonic acid
3,5-dibromopyridine
Conditions | Yield |
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With nickel In ethanol for 4h; Reflux; | 48.54% |
3,5-dibromopyridine
Conditions | Yield |
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Heating; | 4% |
Conditions | Yield |
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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 |
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With bromine at 120 - 130℃; |
Conditions | Yield |
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With bromine at 170℃; |
Conditions | Yield |
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With bromine at 180℃; im Rohr; |
Conditions | Yield |
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With bromine; acetic acid at 60 - 65℃; Abdestillieren des Eisessigs und Erhitzen des Rueckstandes auf 230-250grad; |
Molecular Structure of 3,5-Dibromopyridine (CAS NO.625-92-3):
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 (CAS NO.625-92-3) is used as a kind of intermediates in medicine.
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 (CAS NO.625-92-3), its Synonyms are Pyridine, 3,5-dibromo- ; 3,5-Dibromo pyridine .