2,5-DIPHENYLDICARBONIC ACID

Base Information

• Chemical Name: 2,5-DIPHENYLDICARBONIC ACID
• CAS No.: 4445-51-6
• Molecular Formula: C₁₄H₁₀O₄
• Molecular Weight: 242.231
• Hs Code.: 2917399090
• Mol file: 4445-51-6.mol

Synonyms:2,5-Biphenyldicarboxylicacid (6CI,8CI);2-Phenyl-1,4-benzenedicarboxylic acid;2-Phenylterephthalicacid;Phenylterephthalic acid;Biphenyl-2,5-dicarboxylic acid;

Chemical Property of 2,5-DIPHENYLDICARBONIC ACID

Chemical Property:

• Vapor Pressure: 4.8E-09mmHg at 25°C
• Melting Point: 277-278 °C(Solv: water (7732-18-5); methanol (67-56-1))
• Refractive Index: 1.639
• Boiling Point: 454.3 °C at 760 mmHg
• PKA: 3.05±0.10(Predicted)
• Flash Point: 242.7 °C
• PSA: 74.60000
• Density: 1.347 g/cm³
• LogP: 2.75000

Purity/Quality:

98%Min ^*data from raw suppliers

BIPHENYL-2,5-DICARBOXYLIC ACID 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-DIPHENYLDICARBONIC ACID

There total 1 articles about 2,5-DIPHENYLDICARBONIC ACID 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: 48.0%

2,5-dimethylbiphenyl (7372-85-2) → 2,5-biphenyldicarboxylic acid (4445-51-6) + 5-methyl-[1,1'-biphenyl]-2-carboxylic acid (92254-03-0) + 2-methyl-5-biphenylcarboxylic acid (401573-78-2)

Guidance literature:

cobalt(II) acetate; sodium bromide; In acetic acid; at 95 ℃; for 2.66667h; Further Variations:; Catalysts; molar ratio, reaction time; Kinetics; Product distribution;

DOI:10.1023/A:1012461631396

Reference yield:

2,5-biphenyldicarboxylic acid (4445-51-6) → 2-Amino-7-nitro-fluoren (72570-98-0)

Guidance literature:

Multi-step reaction with 7 steps

1: polyphosphoric acid

2: N₂H₄+H₂O; NaOH

3: HNO₃

4: SOCl₂

5: NaN₃

With sodium hydroxide; thionyl chloride; sodium azide; PPA; nitric acid; hydrazine hydrate;

DOI:10.1021/jo01102a029

Reference yield:

2,5-biphenyldicarboxylic acid (4445-51-6) → Fluorene-3-carboxylic acid (92151-76-3)

Guidance literature:

Multi-step reaction with 2 steps

1: polyphosphoric acid

2: N₂H₄+H₂O; NaOH

With sodium hydroxide; PPA; hydrazine hydrate;

DOI:10.1021/jo01102a029

upstream raw materials:

2,5-dimethylbiphenyl

Downstream raw materials:

Fluorene-3-carboxylic acid

2-Amino-7-nitro-fluoren

Refernces