4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride

Base Information

• Chemical Name: 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride
• CAS No.: 7267-14-3
• Molecular Formula: C12H4Cl2O3
• Molecular Weight: 267.068
• DSSTox Substance ID: DTXSID30399212
• Nikkaji Number: J40.512D
• Wikidata: Q72467016
• Mol file: 7267-14-3.mol

Synonyms:7267-14-3;4,5-DICHLORONAPHTHALENE-1,8-DICARBOXYLIC ANHYDRIDE;1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6,7-dichloro-;6,7-Dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione;8,10-dichloro-3-oxatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaene-2,4-dione;6,7-dichloro-1H,3H-benzo[de]isochromene-1,3-dione;4,5-Dichloro-1,8-naphthalic Anhydride;SCHEMBL11423048;DTXSID30399212;Naphthalic anhydride, 4,5-dichloro-;AKOS002384413;6,7-Dichlorobenzo[de]isochromene-1,3-dione;FT-0689996;Z56756080

Chemical Property of 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride

Chemical Property:

• Refractive Index: 1.739
• Boiling Point: 833.5 °C at 760 mmHg
• Flash Point: 457.9 °C
• PSA: 43.37000
• Density: 1.684g/cm³
• LogP: 3.45720
• XLogP3: 3.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 265.9537494
• Heavy Atom Count: 17
• Complexity: 339

Purity/Quality:

98%min ^*data from raw suppliers

4,5-DICHLORO-1,8-NAPHTHALIC ANHYDRIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=C2C(=CC=C3C2=C1C(=O)OC3=O)Cl)Cl

Technology Process of 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride

There total 6 articles about 4,5-Dichloronaphthalene-1,8-dicarboxylic anhydride 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: 96.0%

1,8-dimethylol-4,5-dichloro-6-hydroxynaphthalene → 6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione (7267-14-3)

Guidance literature:

1,8-dimethylol-4,5-dichloro-6-hydroxynaphthalene; With 1,3-propanesultone; potassium chloride; at 40 ℃; for 2h;

With ytterbium oxide; at 40 - 68 ℃; for 3h; Temperature;

Reference yield:

5,6-dichloroacenaphthene (4208-97-3) → 5,6-dichloroacenaphthylene-1,2-dione (38023-75-5) + 6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione (7267-14-3)

Guidance literature:

Reference yield:

5,6-dichloroacenaphthene (4208-97-3) → 6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione (7267-14-3)

Guidance literature:

With sodium dichromate; acetic acid;

upstream raw materials:

4,5-dichloro-naphthalene-1,8-dicarboxylic acid

5,6-dichloroacenaphthene

acenaphthene