4,5-Dichloropyridazine

Base Information

• Chemical Name: 4,5-Dichloropyridazine
• CAS No.: 55271-49-3
• Molecular Formula: C₄H₂Cl₂N₂
• Molecular Weight: 148.979
• European Community (EC) Number: 855-804-1
• DSSTox Substance ID: DTXSID30514746
• Wikidata: Q82375263
• Mol file: 55271-49-3.mol

Synonyms:4,5-dichloropyridazine;55271-49-3;Pyridazine, 4,5-dichloro-;4,5-Dichlorpyridazin;PYRIDAZINE, 4,5-DICHLORO- (9CI);SCHEMBL2905139;Pyridazine,4,5-dichloro-(9ci);DTXSID30514746;MFCD13190568;CS-0231855;EN300-125632;J-524085

Chemical Property of 4,5-Dichloropyridazine

Chemical Property:

• Melting Point: 67-68 °C
• Boiling Point: 284.8±20.0 °C(Predicted)
• PKA: -0.01±0.10(Predicted)
• PSA: 25.78000
• Density: 1.493±0.06 g/cm3(Predicted)
• LogP: 1.78340
• XLogP3: 1.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 147.9595035
• Heavy Atom Count: 8
• Complexity: 68.4

Purity/Quality:

97% ^*data from raw suppliers

4,5-Dichloropyridazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C(=CN=N1)Cl)Cl

Technology Process of 4,5-Dichloropyridazine

There total 1 articles about 4,5-Dichloropyridazine 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:

→ 4,5-dichloropyridazine (55271-49-3)

Guidance literature:

Diol9, POCl3;

Reference yield:

[IrCl(cis,cis-1,5-cyclooctadiene)(1,3-bis(2,4,6-trimethyl-phenyl)imidazol-2-ylidene)] + hydrogen (1333-74-0) + 4,5-dichloropyridazine (55271-49-3) → C33H32Cl6IrN8(1+)*Cl(1-)

Guidance literature:

In d⁽⁴⁾-methanol; at 24.84 ℃; under 2250.23 Torr;

DOI:10.1002/mrc.5152

Reference yield:

4,5-dichloropyridazine (55271-49-3) + 5-amino-2-phenyl-4-thioxo-4,5-dihydro-2H-pyridazin-3-one (55271-60-8) → 3-phenyl-3H,10H-dipyridazino[4,5-b;4',5'-e][1,4]thiazin-4-one (55271-59-5)

Guidance literature:

With potassium hydroxide; In ethanol;

Downstream raw materials:

3-phenyl-3H,10H-dipyridazino[4,5-b;4',5'-e][1,4]thiazin-4-one

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