4,5-dibromo-1,2-dihydropyridazine-3,6-dione

Base Information

• Chemical Name: 4,5-dibromo-1,2-dihydropyridazine-3,6-dione
• CAS No.: 6958-60-7
• Molecular Formula: C₄H₂Br₂N₂O₂
• Molecular Weight: 269.88
• Mol file: 6958-60-7.mol

Synonyms:3(2H)-Pyridazinone,4,5-dibromo-6-hydroxy- (7CI); 4,5-Dibromo-3,6-dihydroxypyridazine; NSC 64853

Chemical Property of 4,5-dibromo-1,2-dihydropyridazine-3,6-dione

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 65.72000
• Density: 2.464g/cm³
• LogP: 0.58820

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-dibromo-1,2-dihydropyridazine-3,6-dione

There total 5 articles about 4,5-dibromo-1,2-dihydropyridazine-3,6-dione 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:

2,3-dibromomaleic anhydride (1122-12-9) → 4.5-Dibrom-3.6-dioxo-1.2.3.6-tetrahydro-pyridazin (6958-60-7)

Guidance literature:

With sulfuric acid; hydrazine hydrate; anschl. mit wss. H₂SO₄;

DOI:10.1093/oxfordjournals.jbchem.a003234

Reference yield:

bromomaleic anhydride (5926-51-2) + methanol (67-56-1) + hydrazine hydrate (7803-57-8,79785-97-0) → 4.5-Dibrom-3.6-dioxo-1.2.3.6-tetrahydro-pyridazin (6958-60-7)

Guidance literature:

Reference yield:

bromomaleic anhydride (5926-51-2) + ethanol (64-17-5) + hydrazine hydrate (7803-57-8,79785-97-0) → 4.5-Dibrom-3.6-dioxo-1.2.3.6-tetrahydro-pyridazin (6958-60-7)

Guidance literature:

upstream raw materials:

2,3-dibromomaleic anhydride

bromomaleic anhydride

methanol

hydrazine hydrate