2,2'-bis(trifluoromethyl)benzidine
2,2'-bis(trifluoromethyl)benzidine
CAS: 341-58-2
Molecular Formula: C14H10F6N2
2,2'-bis(trifluoromethyl)benzidine - Names and Identifiers
| Name | 2,2'-bis(trifluoromethyl)benzidine |
| Synonyms | TFDB TFMB 2,2'-Bis(trifluorome 2,2'-Di(trifluoromethyl)benzidine 2,2-Bis(trifluoromethyl)benzidine 2,2'-bis(trifluoromethyl)benzidine 2,2'-Bis-(trifluormethyl) benzidine 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine 2,2'-Bis-trifluoromethyl-biphenyl-4,4'-diamine 4,4'-Diamino-2,2'-Bis(trifluoromethyl)biphenyl 2,2'-Bis(trifluoromethyl)-4,4'-diamino biphenyl 2,2 '- (trifluoroMethyl) -4,4' - diaMino diphenyl 2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine 2,2'-bis(trifluoromethyl)-[1,1‘-bibiphenyl]-4,4'-diamine 2,2'-Bis(trifluoroMethyl)-4,4'-diaMino biphenyl (TFMB) |
| CAS | 341-58-2 |
| EINECS | 671-105-2 |
| InChI | InChI=1/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 |
2,2'-bis(trifluoromethyl)benzidine - Physico-chemical Properties
| Molecular Formula | C14H10F6N2 |
| Molar Mass | 320.23 |
| Density | 1.415±0.06 g/cm3(Predicted) |
| Melting Point | 183 °C |
| Boling Point | 376.9±42.0 °C(Predicted) |
| Flash Point | 171.4°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 7.02E-06mmHg at 25°C |
| Appearance | Solid |
| Color | White to Light yellow to Light orange |
| pKa | 3.23±0.10(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.524 |
| MDL | MFCD00190155 |
2,2'-bis(trifluoromethyl)benzidine - Risk and Safety
| Risk Codes | 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. R36 - Irritating to the eyes R25 - Toxic if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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.) S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. |
| UN IDs | 2811 |
| HS Code | 29215900 |
| Hazard Note | Toxic |
| Hazard Class | IRRITANT-HARMFUL |
2,2'-bis(trifluoromethyl)benzidine - Reference Information
| Introduction | 2,2 '-bis (trifluoromethyl) diaminobiphenyl is an important monomer for the synthesis of polyimide. The polyimide synthesized with TFMB as the monomer introduces fluorine groups. The fluorine element has a small atomic radius and high electronegativity, which makes polyimide retain excellent comprehensive properties while giving it many unique properties, such as thermal stability, chemical inertness, excellent mechanical properties, etc. |
| use | 2,2 '-bis (trifluoromethyl) diaminobiphenyl is a useful research chemical. 2,2 '-bis (trifluoromethyl)-4,4' diaminobiphenyl is mainly used in the fields of microelectronics and optoelectronics to prepare extremely low dielectric constant, extremely low surface free energy, extremely high mechanical strength, extremely high wear resistance, colorless and transparent PI materials, and is the most well-known monomer among all fluorine-containing PI diamine monomers. |
Last Update：2024-04-10 22:29:15
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