Diquat dichloride

Base Information

• Chemical Name: Diquat dichloride
• CAS No.: 4032-26-2
• Molecular Formula: C12H12N2•2Cl
• Molecular Weight: 255.147
• European Community (EC) Number: 223-714-6
• DSSTox Substance ID: DTXSID20960753
• Wikidata: Q23057985
• Mol file: 4032-26-2.mol

Synonyms:DIQUAT DICHLORIDE;Diquat hydrochloride;Diquat dichloride monohydrate;EINECS 223-714-6;4032-26-2;1,1'-Ethylene-2,2'-dipyridinium dichloride;Dipyrido(1,2-a;2',1'-c)pyrazinediium, 6,7-dihydro-, dichloride;Dipyrido[1,2-a:2',1'-c]pyrazinediium, 6,7-dihydro-, chloride (1:2);diquat dichlo-ride;SCHEMBL1614736;C12H12N2.2Cl;DTXSID20960753;C12-H12-N2.2Cl;LS-62971;Q23057985;6,7-Dihydrodipyrido[1,2-a:2',1'-c]pyrazine-5,8-diium dichloride;Dipyrido[1,2-a:2',1'-c]pyrazinediium, 6,7-dihydro-, dichloride

Chemical Property of Diquat dichloride

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: g/cm³
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 254.0377538
• Heavy Atom Count: 16
• Complexity: 183

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C[N+]2=CC=CC=C2C3=CC=CC=[N+]31.[Cl-].[Cl-]

Technology Process of Diquat dichloride

There total 2 articles about Diquat dichloride 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: 99.7%

diquat dibromide (85-00-7) → 6,7-Dihydrodipyrido<1,2-a:2',1'-c>pyrazinium dichloride (4032-26-2)

Guidance literature:

With hydrogenchloride; BPA; dihydrogen peroxide; In water; butan-1-ol; at 60 - 80 ℃; for 2.66667h; Reagent/catalyst;

Reference yield:

[2,2]bipyridinyl (366-18-7) → 6,7-Dihydrodipyrido<1,2-a:2',1'-c>pyrazinium dichloride (4032-26-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 17 h / 130 °C

2: Sephadex DEAE A-50 resin / methanol

With Sephadex DEAE A-50 resin; In methanol;

DOI:10.1021/jp972087p

upstream raw materials:

diquat dibromide

[2,2]bipyridinyl

Refernces

• 1、 -. "Preparation method of 1, 1'-ethylene-2, 2'-dipyridyl dichloride salt". Paragraph 0049; 0050; 0051; 0052; 0053-0075. . Retrieved 2018/03/26.