3,4-Dichloro-5-methoxypyridazine

Base Information

• Chemical Name: 3,4-Dichloro-5-methoxypyridazine
• CAS No.: 63910-32-7
• Molecular Formula: C₅H₄Cl₂N₂O
• Molecular Weight: 179.006
• Hs Code.: 2933990090
• European Community (EC) Number: 825-557-4
• NSC Number: 77853
• DSSTox Substance ID: DTXSID90291763
• Wikidata: Q82029817

Synonyms:3,4-dichloro-5-methoxypyridazine;63910-32-7;3,4-DICHLORO-5-METHOXY-PYRIDAZINE;NSC77853;NCIOpen2_000663;SCHEMBL14123484;DTXSID90291763;MFCD03081046;NSC-77853;SB38082;5,6-dichloro-4-pyridazinyl methyl ether;AS-79102;CS-0183768;EN300-1704784;A834574;AN-699/37363002;J-511136

Chemical Property of 3,4-Dichloro-5-methoxypyridazine

Chemical Property:

• Vapor Pressure: 0.000583mmHg at 25°C
• Boiling Point: 320.8°C at 760 mmHg
• Flash Point: 147.8°C
• PSA: 35.01000
• Density: 1.446g/cm³
• LogP: 1.79200
• Storage Temp.: 2-8°C
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 177.9700681
• Heavy Atom Count: 10
• Complexity: 114

Purity/Quality:

99%, ^*data from raw suppliers

3,4-Dichloro-5-methoxy-pyridazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CN=NC(=C1Cl)Cl

Technology Process of 3,4-Dichloro-5-methoxypyridazine

There total 3 articles about 3,4-Dichloro-5-methoxypyridazine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 29.0%

4-chloro-5-methoxypyridazin-3-(2H)-one (63910-43-0) → 3,4-dichloro-5-methoxy-pyridazine (63910-32-7)

Guidance literature:

With trichlorophosphate; for 0.25h; Heating;

DOI:10.1007/BF00811746

Reference yield: 24.0%

3,4,5-trichloropyridazine (14161-11-6) + sodium methylate (124-41-4) → 3,5-dichloro-4-methoxypyridazine (2288-74-6) + 3,4-dichloro-5-methoxy-pyridazine (63910-32-7)

Guidance literature:

In methanol; for 1h; Ambient temperature;

Reference yield:

→ 3,4-dichloro-5-methoxy-pyridazine (63910-32-7)

Guidance literature:

3,4,5-Trichloropyridazin, 1 Aequiv. Na-Methylat;

upstream raw materials:

3,4,5-trichloropyridazine

sodium methylate

4-chloro-5-methoxypyridazin-3-(2H)-one

Downstream raw materials:

4-chloro-5-hydroxy-3(2H)-pyridazinone

5,6-dichloro-4(1H)-pyridazinone

3-chloro-4,5-dimethoxypyridazine

4-chloro-3,5-dimethoxypyridazine

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