2,5-Dibromopyridine - ≥97% , CAS No.624-28-2

CAS: 624-28-2 Cat. No.: D1131372 Molecular Weight: 236.89 Beilstein Registry Number: 109099 EC Number: 210-839-6

GRADE & PURITY ≥97%

Storage

Argon charged,Room temperature

Shipped In

Normal

Specifications

Specifications & Purity

≥97%

Storage

Argon charged, Room temperature

Shipped In

Normal

Purity

≥97%

Names and Identifiers

• Canonical Smiles: C1=CC(=NC=C1Br)Br
• IUPAC Name: 2,5-dibromopyridine
• InChIKey: ZHXUWDPHUQHFOV-UHFFFAOYSA-N
• INCHI: 1S/C5H3Br2N/c6-4-1-2-5(7)8-3-4/h1-3H
• Isomeric SMILES: C1=CC(=NC=C1Br)Br
• WGK Germany: 3
• Molecular Weight: 236.89
• Beilstein: 109099
• Reaxy-Rn: 109099
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=109099&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Pyridines and derivatives
      • Subclass Halopyridines

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Pyridines and derivatives
• Subclass: Halopyridines
• Intermediate Tree Nodes: Not available
• Direct Parent: Polyhalopyridines
• Alternative Parents: 2-halopyridines Aryl bromides Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organobromides Hydrocarbon derivatives
• Molecular Framework: Aromatic heteromonocyclic compounds
• Substituents: Polyhalopyridine - 2-halopyridine - Aryl halide - Aryl bromide - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound
• Description: This compound belongs to the class of organic compounds known as polyhalopyridines. These are organic compounds containing a pyridine ring substituted at two or more positions by a halogen atom.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in Methanol
• Sensitivity: air sensitive
• Boil Point(°C): 235°C
• Melt Point(°C): 93°C
• Molecular Weight: 236.890 g/mol
• XLogP3: 2.600
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 236.861 Da
• Monoisotopic Mass: 234.863 Da
• Topological Polar Surface Area: 12.900 Ų
• Heavy Atom Count: 8
• Formal Charge: 0
• Complexity: 76.800
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

References

1. Zhenghui Yang, Pingchuan Ma, Furong Li, Haiquan Guo, Chuanqing Kang, Lianxun Gao.  (2021)  Ultrahigh thermal-stability polyimides with low CTE and required flexibility by formation of hydrogen bonds between poly(amic acid)s.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2021.110369]

2. Shen Yan, Fang Nan, Liu Xinru, Ling Yu, Su Yuming, Tan Tian, Chen Feng, Lin He, Zhao Boxuan, Wang Jin, Si Duanhui, Xie Shunji, Wang Ye, Zhou Da, Zhang Teng, Cao Rong, Wang Cheng.  (2025)  Observation of metal-organic interphase in Cu-based electrochemical CO2-to-ethanol conversion.  Nature Communications,  16  (1): (1-18).  [PMID:40021652] [10.1038/s41467-025-57221-x]