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ChemicalBook >  Product Catalog >  Organic Chemistry >  Amides >  Naphthenic amines derivatives >  2,2'-Bis(trifluoromethyl)benzidine

2,2'-Bis(trifluoromethyl)benzidine

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2,2'-Bis(trifluoromethyl)benzidine Basic information

Product Name:
2,2'-Bis(trifluoromethyl)benzidine
Synonyms:
  • 2,2'-Bis(trifluoroMethyl)-4,4'-diaMino biphenyl(TFMB/TFDB)
  • 2,2'-bis(trifluoromethyl)-[1,1‘-bibiphenyl]-4,4'-diamine
  • 2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine
  • 2,2'-Bis-trifluoromethyl-biphenyl-4,4'-diamine
  • 2,2'-Bis(trifluorome
  • 2,2'-Bis(trifluoroMethyl)-4,4'-diaMino biphenyl (TFMB)
  • TFMB
  • 2,2 '- (trifluoroMethyl) -4,4' - diaMino diphenyl
CAS:
341-58-2
MF:
C14H10F6N2
MW:
320.23
EINECS:
671-105-2
Product Categories:
  • Biphenyls (for High-Performance Polymer Research)
  • Functional Materials
  • Reagent for High-Performance Polymer Research
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
  • 341-58-2
Mol File:
341-58-2.mol
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2,2'-Bis(trifluoromethyl)benzidine Chemical Properties

Melting point:
183 °C
Boiling point:
376.9±42.0 °C(Predicted)
Density 
1.415±0.06 g/cm3(Predicted)
storage temp. 
2-8°C(protect from light)
solubility 
soluble in Methanol
form 
powder to crystal
pka
3.23±0.10(Predicted)
color 
White to Light yellow to Light orange
InChI
InChI=1S/C14H10F6N2/c15-13(16,17)11-5-7(21)1-3-9(11)10-4-2-8(22)6-12(10)14(18,19)20/h1-6H,21-22H2
InChIKey
NVKGJHAQGWCWDI-UHFFFAOYSA-N
SMILES
C1(C2=CC=C(N)C=C2C(F)(F)F)=CC=C(N)C=C1C(F)(F)F
CAS DataBase Reference
341-58-2(CAS DataBase Reference)
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Safety Information

Hazard Codes 
T,Xi
Risk Statements 
22-45-50/53-36-25-36/37/38
Safety Statements 
22-36/37/39-45-26-37
RIDADR 
2811
Hazard Note 
Toxic
HazardClass 
IRRITANT-HARMFUL
HS Code 
29215900
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2,2'-Bis(trifluoromethyl)benzidine Usage And Synthesis

Uses

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

Synthesis

This 2,2′-bis(trifluoromethyl)-4,4′-dinitrobiphenyl crystal of 42.5 g, toluene of 127.5 g and 5% Pd/C (AER-TYPE: 50% water contained product) of 1.8 g manufactured by N.E. CHEMCAT Corp. were fed in an autoclave made of stainless steel, after the system was replaced sufficiently with hydrogen, pressured with hydrogen for a reaction pressure to be 1 MPa and reaction was carried out at a reaction temperate of 60 °C for 6 hours. After reaction, catalyst was filtered away, toluene in this reaction liquid was distilled away under reduced pressure, concentrated and crystallized, 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl of 28.5 g (purity converted) was obtained by solid-liquid separation.

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