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2,5-Dibromopyridine

Basic Information

  • CAS No.: 624-28-2
  • Purity: 99%
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Details

2,5-Dibromopyridine 624-28-2 with purity >99% Low price in stock

  • Molecular Formula: C5H3Br2N
  • Molecular Weight: 236.894
  • Appearance/Colour: Off-white crystals 
  • Vapor Pressure: 0.0754mmHg at 25°C 
  • Melting Point: 92-95 °C(lit.) 
  • Refractive Index: 1.607 
  • Boiling Point: 235.7 °C at 760 mmHg 
  • PKA: -1.57±0.10(Predicted) 
  • Flash Point: 96.4 °C 
  • PSA： 12.89000 
  • Density: 2.059 g/cm3 
  • LogP: 2.60660 

2,5-Dibromopyridine(Cas 624-28-2) Usage

InChI:InChI=1/C5H3Br2N/c6-4-1-2-5(7)8-3-4/h1-3H

624-28-2 Relevant articles

Synthetic method of medicinal raw material 2 and 5 - dibromopyridine

-

Paragraph 0018; 0021; 0024, (2021/10/05)

The invention relates to the technical f...

Preparation method 2-5 - dibromopyridine

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Paragraph 0017-0025, (2021/09/21)

The invention relates to the technical f...

Preparation method of 2, 5-dibromopyridine

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Paragraph 0026-0031, (2021/04/21)

The invention discloses a preparation me...

The difference in the CO2adsorption capacities of different functionalized pillar-layered metal-organic frameworks (MOFs)

Gao, Xiang-Jing,Zheng, He-Gen

supporting information, p. 9310 - 9316 (2021/07/12)

The excessive use of fossil energy has c...

624-28-2 Process route

5-bromo-2-pyridylamine
1072-97-5

5-bromo-2-pyridylamine

2,5-dibromopyridine
624-28-2

2,5-dibromopyridine

Conditions
Conditions Yield
5-bromo-2-pyridylamine; With hydrogen bromide; bromine; In water; at 0 - 20 ℃; for 0.166667h;
With sodium nitrite; In water; at 0 - 5 ℃; for 0.5h;
87%
With tert.-butylnitrite; trimethylbenzylammonium bromide; 1,1-dibromomethane; at 20 ℃;
83%
With tert.-butylnitrite; trimethylbenzylammonium bromide; In 1,1-dibromomethane; at 20 ℃;
83%
5-bromo-2-pyridylamine; With hydrogen bromide; copper(I) bromide; at 0 ℃; for 0.333333h;
With sodium nitrite; for 3.5h; Temperature;
64%
5-bromo-2-pyridylamine; With hydrogen bromide; copper(I) bromide; at 0 ℃; for 0.333333h; Cooling with ice;
With sodium nitrite; for 3.5h; Temperature;
64%
5-bromo-2-pyridylamine; With hydrogen bromide; sodium nitrite; In water; at 0 ℃; for 0.166667h;
With bromine; In water; at 0 ℃; for 0.25h;
58%
5-bromo-2-pyridylamine; With hydrogen bromide; sodium nitrite; In water; at 0 ℃; for 0.166667h;
With bromine; In water; at 0 ℃; for 0.25h;
58%
With hydrogen bromide; bromine; anschliessend Behandeln mit wss. Natriumnitrit-Loesung unterhalb von 0grad;
With tert.-butylnitrite; trimethylbenzylammonium bromide; at 20 ℃; Inert atmosphere;
With hydrogen bromide; copper(I) bromide; sodium nitrite; at 2 ℃; Temperature;
With copper(I) bromide; sodium nitrite; at 3 - 20 ℃; for 0.433333h; under 0.187519 Torr;
5-bromopyridin-2-ol
13466-38-1

5-bromopyridin-2-ol

2,5-dibromopyridine
624-28-2

2,5-dibromopyridine

Conditions
Conditions Yield
With triphenylborane; phosphorus tribromide; In 1,2-dichloro-ethane; for 10h; Reagent/catalyst; Solvent; Inert atmosphere; Reflux;
88.7%
With phosphorus(V) oxybromide; In acetonitrile; at 80 ℃; for 21h; Reagent/catalyst; Temperature;
470 mg

624-28-2 Upstream products

  • 109-04-6
    109-04-6

    2-bromo-pyridine

  • 626-55-1
    626-55-1

    3-Bromopyridine

  • 1072-97-5
    1072-97-5

    5-bromo-2-pyridylamine

  • 694-85-9
    694-85-9

    1-methyl-2-pyridone

624-28-2 Downstream products

  • 55849-30-4
    55849-30-4

    5-bromo-2-ethoxypyridine

  • 32666-95-8
    32666-95-8

    [3-(5-bromo-[2]pyridyl)-3-phenyl-propyl]-dimethyl-amine

  • 15862-18-7
    15862-18-7

    5,5'-dibromo-2,2'-dipyridyl

  • 84960-23-6
    84960-23-6

    2,5-bis(3,3-dimethyl-2-oxobutyl)pyridine

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