1,2-Benzenedicarbonyl difluoride (9CI)

Base Information

• Chemical Name: 1,2-Benzenedicarbonyl difluoride (9CI)
• CAS No.: 445-69-2
• Molecular Formula: C8H4 F2 O2
• Molecular Weight: 170.115
• Hs Code.: 2917399090
• Mol file: 445-69-2.mol

Synonyms:Phthaloylfluoride (6CI,7CI,8CI)

Chemical Property of 1,2-Benzenedicarbonyl difluoride (9CI)

Chemical Property:

• Melting Point: 42.5°C
• Boiling Point: 227°C (rough estimate)
• PSA: 34.14000
• Density: 1.3066
• LogP: 1.90600

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Benzenedicarbonyl difluoride (9CI)

There total 4 articles about 1,2-Benzenedicarbonyl difluoride (9CI) 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: 70.0%

Phthaloyl dichloride (88-95-9) → phthaloyl fluoride (445-69-2)

Guidance literature:

With potassium hydrogenfluoride; tetrabutyl-ammonium chloride; water; In dichloromethane; at 17 - 20 ℃; for 2h;

DOI:10.1055/a-1649-5460

Reference yield:

phthalic anhydride (85-44-9) → phthaloyl fluoride (445-69-2)

Guidance literature:

With sulfur tetrafluoride; at 180 ℃; for 18h;

DOI:10.1021/ja01488a012

Reference yield:

benzene-1,2-dicarboxylic acid (88-99-3,73607-73-5) → phthaloyl fluoride (445-69-2)

Guidance literature:

With sulfur tetrafluoride;

upstream raw materials:

Phthaloyl dichloride

phthalic anhydride

benzene-1,2-dicarboxylic acid

Downstream raw materials:

N,N'-diphenylphthalamide

2-(trifluoromethyl)benzoyl fluoride

2-cyanobenzoic acid

Refernces