5,7-Dichlorobenzofuran

Base Information

• Chemical Name: 5,7-Dichlorobenzofuran
• CAS No.: 23145-06-4
• Molecular Formula: C₈H₄Cl₂O
• Molecular Weight: 187.025
• Hs Code.: 2932999099
• DSSTox Substance ID: DTXSID40945820
• Nikkaji Number: J103.743I
• Wikidata: Q82923269
• Mol file: 23145-06-4.mol

Synonyms:5,7-Dichlorobenzofuran;23145-06-4;5,7-Dichloro-1-benzofuran;Benzofuran, 5,7-dichloro-;5,7-Dichloro-1-benzofuran #;SCHEMBL1256340;DTXSID40945820;4-PIPERAZINYLBENZENESULFONAMIDE;AKOS024063420;AS-50075;FT-0722993;O10795;EN300-1165276

Chemical Property of 5,7-Dichlorobenzofuran

Chemical Property:

• Vapor Pressure: 0.0389mmHg at 25°C
• Boiling Point: 248.1°C at 760 mmHg
• Flash Point: 103.9°C
• PSA: 13.14000
• Density: 1.435g/cm³
• LogP: 3.73960
• XLogP3: 3.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 185.9639201
• Heavy Atom Count: 11
• Complexity: 151

Purity/Quality:

≥99% ^*data from raw suppliers

5,7-Dichlorobenzofuran 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=COC2=C(C=C(C=C21)Cl)Cl

Technology Process of 5,7-Dichlorobenzofuran

There total 7 articles about 5,7-Dichlorobenzofuran 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: 77.0%

C8H4Cl2O (936840-15-2) → 5,7-dichlorobenzofuran (23145-06-4)

Guidance literature:

With P(p-C₆H₄F)3; chloro(1,5-cyclooctadiene)rhodium(I) dimer; In N,N-dimethyl-formamide; at 85 ℃; for 2h;

DOI:10.1002/anie.200604183

Reference yield: 30.0%

(2,4-dichlorophenoxy)acetaldehyde diethyl acetal (78830-79-2) → 5,7-dichlorobenzofuran (23145-06-4)

Guidance literature:

With tin-exchanged H-b zeolite (Sn-b); for 10h; Reflux;

DOI:10.1016/j.tet.2015.05.029

Reference yield: 23.0%

C10H12Cl2O3 → 5,7-dichlorobenzofuran (23145-06-4)

Guidance literature:

With polyphosphoric acid; In toluene; at 90 ℃; for 3h;

upstream raw materials:

C₈H₄Cl₂O

2,4-dichloro-6-iodophenol

2,4-dichlorophenol

(2,4-dichlorophenoxy)acetaldehyde diethyl acetal

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