2,2'-Bis(trifluoromethyl)benzidine

Base Information

• Chemical Name: 2,2'-Bis(trifluoromethyl)benzidine
• CAS No.: 341-58-2
• Molecular Formula: C14H10F6N2
• Molecular Weight: 320.237
• Hs Code.: 29215900
• Mol file: 341-58-2.mol

Synonyms:m-Tolidine,a,a,a,a',a',a'-hexafluoro- (6CI,8CI);2,2'-Bis(trifluoromethyl)-4,4'-diaminobiphenyl;4,4'-Diamino-2,2'-bis(trifluoromethyl)biphenyl;TFMB;[1,1'-Biphenyl]-4,4'-diamine,2,2'-bis(trifluoromethyl)-;

Chemical Property of 2,2'-Bis(trifluoromethyl)benzidine

Chemical Property:

• Appearance/Colour: white crystalline powder
• Melting Point: 183 °C
• Boiling Point: 376.9 °C at 760 mmHg
• PKA: 3.23±0.10(Predicted)
• Flash Point: 171.4 °C
• PSA: 52.04000
• Density: 1.415 g/cm³
• LogP: 5.71800
• Storage Temp.: 2-8°C(protect from light)
• Solubility.: soluble in Methanol

Purity/Quality:

98% ^*data from raw suppliers

2,2'-Bis(trifluoromethyl)benzidine >98.0%(GC)(T) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T, Xi
• Hazard Codes: T,Xi
• Statements: 22-45-50/53-36-25-36/37/38
• Safety Statements: 22-36/37/39-45-26-37

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,2'-Bis(trifluoromethyl)benzidine is used for producing a high strength flexible transparent polyimide material.

Technology Process of 2,2'-Bis(trifluoromethyl)benzidine

There total 18 articles about 2,2'-Bis(trifluoromethyl)benzidine 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: 96.83%

2,2'-bis-(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl (641-98-5) → 2,2'-bis(trifluoromethyl)benzidine (341-58-2)

Guidance literature:

With ammonium formate; zinc; In methanol; at 50 ℃; Temperature; Concentration;

Reference yield: 95.1%

1,2-bis(3-(trifluoromethyl)phenyl)hydrazine (351-19-9) → 2,2'-bis(trifluoromethyl)benzidine (341-58-2)

Guidance literature:

With sulfuric acid; In water; toluene; for 5h; Product distribution / selectivity;

Reference yield: 95.1%

→ 2,2'-bis(trifluoromethyl)benzidine (341-58-2)

Guidance literature:

upstream raw materials:

2,2'-bis-(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl

1,2-bis(3-(trifluoromethyl)phenyl)diazene

3-trifluoromethylnitrobenzene

N-[2-(trifluoromethyl)phenyl]acetamide

Refernces

• 1、 -. "METHOD OF MANUFACTURING BIS(TRIFLUOROMEHTYL)DIAMINOBIPHENYL COMPOUND". Paragraph 0056-0089. . Retrieved 2021/09/21.
• 2、 -. "Preparation Method for 2,2'-Bis(Trifluoromethyl)-4,4'-Diaminobiphenyl". Paragraph 0026-0037. . Retrieved 2021/07/20.