Cas no 59782-88-6 (2,5-Dichloro-3-methylpyridine)

2,5-Dichloro-3-methylpyridine is a halogenated pyridine derivative with a molecular formula of C?H?Cl?N. This compound features a chlorine substitution at the 2- and 5-positions and a methyl group at the 3-position of the pyridine ring, enhancing its reactivity in various chemical transformations. It serves as a versatile intermediate in pharmaceutical and agrochemical synthesis, particularly in the development of active ingredients. The dichloro-methyl substitution pattern offers selective reactivity for nucleophilic aromatic substitution and cross-coupling reactions. Its stability under standard conditions and well-defined regiochemistry make it a valuable building block for heterocyclic chemistry applications. The compound is typically supplied as a high-purity solid, ensuring consistent performance in synthetic workflows.
2,5-Dichloro-3-methylpyridine structure
2,5-Dichloro-3-methylpyridine structure
Product Name:2,5-Dichloro-3-methylpyridine
CAS No:59782-88-6
MF:C6H5Cl2N
MW:162.016599416733
MDL:MFCD03840754
CID:366406
PubChem ID:643276
Update Time:2025-06-25

2,5-Dichloro-3-methylpyridine Chemical and Physical Properties

Names and Identifiers

    • 2,5-Dichloro-3-methylpyridine
    • 2,5-Dichloro-3-picoline
    • 2,5-DICHORO-3-PICOLINE
    • Pyridine,2,5-dichloro-3-methyl-
    • pyridine, 2,5-dichloro-3-methyl-
    • PubChem15129
    • 2,5-dichloro-3-methyl-pyridine
    • HZOPYQZRWCJGDT-UHFFFAOYSA-N
    • BCP22212
    • STL554867
    • OR3474
    • BBL101073
    • FCH922584
    • VP10248
    • AB16614
    • SY024707
    • N465
    • AB1005219
    • AB1005216
    • AX8021688
    • FT-0648648
    • H10182
    • AKOS005256059
    • A8389
    • AC-24920
    • 59782-88-6
    • CS-0059156
    • J-506926
    • GS-6304
    • 2 pound not5-Dichloro-3-methylpyridine
    • AMY33472
    • InChI=1/C6H5Cl2N/c1-4-2-5(7)3-9-6(4)8/h2-3H,1H
    • DTXSID30349136
    • A8391
    • SCHEMBL165105
    • MFCD03840754
    • FT-0655197
    • DB-025238
    • MDL： MFCD03840754
    • Inchi： 1S/C6H5Cl2N/c1-4-2-5(7)3-9-6(4)8/h2-3H,1H3
    • InChI Key： HZOPYQZRWCJGDT-UHFFFAOYSA-N
    • SMILES： ClC1C(C)=CC(=CN=1)Cl

Computed Properties

  • Exact Mass: 160.98000
  • Monoisotopic Mass: 160.9799046g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 0
  • Complexity: 97.1
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 12.9
  • XLogP3: 2.8

Experimental Properties

  • Melting Point: 43-46°C
  • Boiling Point: 186.9℃ at 760 mmHg
  • PSA: 12.89000
  • LogP: 2.69680

2,5-Dichloro-3-methylpyridine Security Information

2,5-Dichloro-3-methylpyridine Customs Data

  • HS CODE：2933399090
  • Customs Data：

    China Customs Code:

    2933399090

    Overview:

    2933399090. Other compounds with non fused pyridine rings in structure. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2,5-Dichloro-3-methylpyridine Pricemore >>

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2,5-Dichloro-3-methylpyridine Production Method

2,5-Dichloro-3-methylpyridine Related Literature

Additional information on 2,5-Dichloro-3-methylpyridine

2,5-Dichloro-3-methylpyridine (CAS No. 59782-88-6): A Versatile Intermediate for Modern Chemical Applications

2,5-Dichloro-3-methylpyridine (CAS No. 59782-88-6) is a halogenated pyridine derivative widely recognized for its role as a high-value chemical intermediate in pharmaceuticals, agrochemicals, and specialty materials. Its molecular structure, featuring two chlorine atoms and a methyl group on the pyridine ring, offers unique reactivity for cross-coupling reactions and selective functionalization, making it a focal point in synthetic chemistry research.

In recent years, the demand for 2,5-Dichloro-3-methylpyridine has surged due to its applications in crop protection chemicals and pharmaceutical scaffolds. Search trends highlight growing interest in "pyridine derivatives in drug discovery" and "sustainable synthesis of halogenated compounds," reflecting industry shifts toward eco-friendly methodologies. Researchers are exploring catalytic chlorination techniques to optimize its production, aligning with the green chemistry movement.

The compound’s regioselective reactivity enables the construction of complex molecules, such as non-linear optical materials and ligands for catalysis. A 2023 study emphasized its utility in designing metal-organic frameworks (MOFs), addressing queries like "how to modify pyridine for MOF synthesis." This aligns with the broader search trend around "advanced materials for energy storage," showcasing its interdisciplinary relevance.

Quality control of CAS No. 59782-88-6 is critical, with HPLC and GC-MS being standard analytical tools. FAQs such as "how to purify 2,5-Dichloro-3-methylpyridine" often arise in forums, underscoring the need for technical guidance. Suppliers now emphasize high-purity grades (>98%) to meet stringent industry standards, particularly for electronic chemical applications.

From an SEO perspective, long-tail keywords like "buy 2,5-Dichloro-3-methylpyridine online" or "59782-88-6 supplier USA" indicate commercial interest. Meanwhile, academic searches focus on "mechanism of pyridine chlorination," demonstrating the compound’s dual appeal. Its stability under ambient storage conditions further enhances its practicality for industrial use.

Looking ahead, innovations in continuous-flow synthesis and biocatalytic approaches may redefine production scales for 2,5-Dichloro-3-methylpyridine. As sustainability dominates chemical discourse, this compound’s adaptability positions it as a key player in next-generation fine chemical manufacturing.

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