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| CAS No.: | 341-58-2 |
|---|---|
| Name: | 2,2'-Bis(trifluoromethyl)benzidine |
| Molecular Structure: | |
|
|
|
| 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: |
 T,  Xi
|
| Risk Codes: | 22-45-50/53 |
| Safety: | 22-36/37/39-45 |
| Transport Information: | UN 2811 |
| PSA: | 52.04000 |
| LogP: | 5.71800 |
2,2'-bis-(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl
2,2'-bis(trifluoromethyl)benzidine
| Conditions | Yield |
|---|---|
| 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; |
| Conditions | Yield |
|---|---|
| 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% |
1,2-bis((3-trifluoromethyl)phenyl)diazene
A
2,2'-bis(trifluoromethyl)benzidine
B
4,2'-bis-trifluoromethyl-biphenyl-2,4'-diyldiamine
| Conditions | Yield |
|---|---|
| With sodium amalgam; ethanol; sulfuric acid |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: lead; sodium acetate; aqueous ethanol 2: sodium-amalgam; aqueous ethanol; H2SO4 View Scheme |
| Conditions | Yield |
|---|---|
| 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 |
| Conditions | Yield |
|---|---|
| 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 |
| Conditions | Yield |
|---|---|
| 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 |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: copper-powder / 300 °C 2: tin; aq.-ethanolic HCl View Scheme |
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfuric acid; ammonium chloride; ammonia In methanol; acetone; toluene |
2,2'-bis(trifluoromethyl)benzidine
| Conditions | Yield |
|---|---|
| With water; sodium hydroxide In dichloromethane for 4h; Solvent; Reflux; | 115 g |
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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
Hazard Codes: 
T
Xi
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
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% .
