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Basic Information
CAS No.: 341-58-2
Name: 2,2'-Bis(trifluoromethyl)benzidine
Molecular Structure:
Molecular Structure of 341-58-2 (2,2'-Bis(trifluoromethyl)benzidine)
Formula: C14H10F6N2
Molecular Weight: 320.237
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)-;
EINECS: 671-105-2
Density: 1.415 g/cm3
Melting Point: 183 °C
Boiling Point: 376.9 °C at 760 mmHg
Flash Point: 171.4 °C
Appearance: white crystalline powder
Hazard Symbols: ToxicT, IrritantXi
Risk Codes: 22-45-50/53
Safety: 22-36/37/39-45
Transport Information: UN 2811
PSA: 52.04000
LogP: 5.71800
Synthetic route
641-98-5

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

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With ammonium formate; zinc In methanol at 50℃; Temperature; Concentration;96.83%
With palladium 10% on activated carbon; hydrogen In ethanol at 80℃; under 15001.5 Torr; Catalytic behavior; Pressure; Temperature;92%
With hydrogenchloride; tin
With hydrogen; palladium on activated charcoal In toluene at 60℃; under 7500.75 Torr; for 6h; Autoclave;
351-19-9

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

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With sulfuric acid In water; toluene for 5h; Product distribution / selectivity;95.1%
With hydrogenchloride In water; toluene at 25℃; for 3h; Product distribution / selectivity;95%
With sulfuric acid In water at -5 - 75℃; under 2280.15 - 3800.26 Torr; for 2h; Temperature; Inert atmosphere;60%
588-00-1

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

A

341-58-2

2,2'-bis(trifluoromethyl)benzidine

B

440-66-4

4,2'-bis-trifluoromethyl-biphenyl-2,4'-diyldiamine

Conditions
ConditionsYield
With sodium amalgam; ethanol; sulfuric acid
98-46-4

3-trifluoromethylnitrobenzene

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lead; sodium acetate; aqueous ethanol
2: sodium-amalgam; aqueous ethanol; H2SO4
View Scheme
344-62-7

N-[2-(trifluoromethyl)phenyl]acetamide

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: H2SO4; HNO3
2: aq.-ethanolic NaOH
3: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
4: copper-powder / 300 °C
5: tin; aq.-ethanolic HCl
View Scheme
121-01-7

4-nitro-2-trifluoromethyl-aniline

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
2: copper-powder / 300 °C
3: tin; aq.-ethanolic HCl
View Scheme
395-68-6

N-(4-nitro-2-(trifluoromethyl)phenyl)acetamide

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: aq.-ethanolic NaOH
2: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
3: copper-powder / 300 °C
4: tin; aq.-ethanolic HCl
View Scheme
400-75-9

1-iodo-4-nitro-2-(trifluoromethyl)benzene

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper-powder / 300 °C
2: tin; aq.-ethanolic HCl
View Scheme
3,3'-bis (trifluoromethyl)-4,4'-hydrazobenzene

3,3'-bis (trifluoromethyl)-4,4'-hydrazobenzene

98-46-4

3-trifluoromethylnitrobenzene

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With sodium hydroxide; sulfuric acid; ammonium chloride; ammonia In methanol; acetone; toluene

C22H18F6N2O6

341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Solvent; Reflux;115 g
Downstream Products
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  • 2,2'-Bis(trifluoromethyl)benzidine 341-58-2

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    2,2'-Bis(trifluoromethyl)benzidine 341-58-2

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    341-58-2

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  • 2,2'-Bis(trifluoromethyl)benzidine

  • Casno:

    341-58-2

    2,2'-Bis(trifluoromethyl)benzidine

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  • 2,2'-Bis(trifluoromethyl)benzidine

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    341-58-2

    2,2'-Bis(trifluoromethyl)benzidine

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    2,2'-Bis(trifluoromethyl)benzidine

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    341-58-2

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  • 2,2'-Bis(Trifluoromethyl)Benzidine

  • Casno:

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    341-58-2

    4,4'-diamino-2,2'-bistrifluoromethyl biphenyl (TFMB/TFDB)

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    341-58-2

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  • Casno:

    341-58-2

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  • 2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine

  • Casno:

    341-58-2

    2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine

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Chemistry

The Molecular Structure of 2,2'-Bis-(trifluormethyl) benzidine (CAS NO.341-58-2):

Molecular Formula: C14H10F6N2
Molecular Weight:  320.233019 g/mol
IUPAC: 4-[4-amino-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)aniline
Product Categories: Biphenyls (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer ResearchNominal Mass: 320 Da
Average Mass: 320.233 Da
Monoisotopic Mass: 320.074818 Da 
Nominal Mass: 320 Da
Average Mass: 320.233 Da
Monoisotopic Mass: 320.074818 Da 
Index of Refraction: 1.524
Molar Refractivity: 69.27 cm3
Molar Volume: 226.2 cm3
Surface Tension: 34 dyne/cm
Density: 1.415 g/cm3
Flash Point: 171.4 °C
Enthalpy of Vaporization: 62.46 kJ/mol
Boiling Point: 376.9 °C at 760 mmHg
Vapour Pressure: 7.02E-06 mmHg at 25°C 

Safety Profile

Hazard Codes: ToxicTIrritantXi
Risk Statements: 22-45-50/53 
R22:Harmful if swallowed
R45:May cause cancer
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 22-36/37/39-45 
S22:Do not breathe dust
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 2811
Hazard Note: Toxic
HazardClass: IRRITANT-HARMFUL

Specification

 2,2'-Bis-(trifluormethyl) benzidine (CAS NO.341-58-2) is also called as 4,4'-diamino-2,2'-bis(trifluoromethyl)biphenyl ; 22Tfmb ; 2,2'-Di(trifluoromethyl)benzidine ; 2,2'-Bis(trifluoromethyl)-4,4'-diamino biphenyl ; 2,2'-Bis(trifluoromethyl)benzidine 97% .