3,5-Dibromo-2-fluoropyridine - Names and Identifiers
Name | 3,5-Dibromo-2-fluoropyridine
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Synonyms | 3,5-Dibromo-2-fL 3,5-DIBROMO-2-FLUOROPYRIDINE 3,5-Dibromo-2-fluoropyridine 2-FLUORO-3,5 DIBROMO PYRIDINE Pyridine, 3,5-dibromo-2-fluoro-
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CAS | 473596-07-5
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EINECS | 256-495-9 |
InChI | InChI=1/C10H12F3N/c1-2-9(14)7-5-3-4-6-8(7)10(11,12)13/h3-6,9H,2,14H2,1H3 |
3,5-Dibromo-2-fluoropyridine - Physico-chemical Properties
Molecular Formula | C5H2Br2FN
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Molar Mass | 254.88 |
Density | 2.137±0.06 g/cm3(Predicted) |
Boling Point | 220.5±35.0 °C(Predicted) |
pKa | -5.14±0.20(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.466 |
3,5-Dibromo-2-fluoropyridine - Risk and Safety
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
R25 - Toxic if swallowed
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
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Hazard Class | IRRITANT |
3,5-Dibromo-2-fluoropyridine - Introduction
3,5-Dibromo-2-fluoropyridine is an organic compound with the chemical formula C5H2Br2FN. The following is a description of its nature, use, formulation and safety information:
Nature:
- 3,5-Dibromo-2-fluoropyridine is a solid compound with a white crystalline appearance.
-Its melting point is 74-76 ℃, and its boiling point is 238-240 ℃.
-It is insoluble in water at room temperature, but can be dissolved in some organic solvents such as ether and ethanol.
Use:
- 3,5-Dibromo-2-fluoropyridine is an important intermediate compound widely used in organic synthesis reactions.
-It can be used as a raw material for organic photovoltaic materials, and can also be used to prepare medicines, dyes and pesticides.
Preparation Method:
- 3,5-Dibromo-2-fluoropyridine can be prepared by the reaction of pyridine iodide and cuprous bromide.
-First dissolve cuprous bromide and pyridine iodide in dimethyl sulfoxide at room temperature to form a reactant, then slowly add silver fluoride dropwise at low temperature, and finally heat until the reaction is completed.
Safety Information:
- 3,5-Dibromo-2-fluoropyridine is irritating to the skin and eyes, and protective measures should be paid attention to when in contact.
-Pay attention to good ventilation when using this compound.
-It decomposes at high temperature will produce harmful gases, and it is necessary to avoid exposure to open flames or high temperature environments.
-Store it in a sealed manner and avoid contact with oxidants and strong acids to avoid dangerous reactions.
Last Update:2024-04-09 02:00:46