139092-78-7

139092-78-7 - Names and Identifiers

Name	4,4',4'-Tris(carbazol-9-yl)-triphenylamine
Synonyms	TcTa TCATA LT-E207 Tris(4-carbazoyl-9-ylphenyl)amine Tris[4-(carbazol-9-yl)phenyl]amine tris(4-(9H-carbazol-9-yl)phenyl)amine 4,4',4''-Tri-9-carbazolyltriphenylamine 4,4',4''-Tri(9-carbazoyl)triphenylamine 4,4',4'-Tris(carbazol-9-yl)triphenylamine 4,4',4'-Tris(carbazol-9-yl)-triphenylamine 4,4',4''-TRIS(CARBAZOL-9-YL)TRIPHENYLAMINE 4,4',4''-tris(carbazol-9-yl)triphenylamine 4,4',4''-Tris(carbazol-9-yl)-triphenylamine TCTA,4,4',4''-Tris(carbazol-9-yl)-triphenylaMine 4-(9H-carbazol-9-yl)-N,N-bis[4-(9H-carbazol-9-yl)phenyl]aniline
CAS	139092-78-7
EINECS	625-738-6
InChI	InChI=1/C54H36N4/c1-7-19-49-43(13-1)44-14-2-8-20-50(44)56(49)40-31-25-37(26-32-40)55(38-27-33-41(34-28-38)57-51-21-9-3-15-45(51)46-16-4-10-22-52(46)57)39-29-35-42(36-30-39)58-53-23-11-5-17-47(53)48-18-6-12-24-54(48)58/h1-36H
InChIKey	AWXGSYPUMWKTBR-UHFFFAOYSA-N

139092-78-7 - Physico-chemical Properties

Molecular Formula	C54H36N4
Molar Mass	740.89
Density	1.23±0.1 g/cm3(Predicted)
Melting Point	298~300°C
Appearance	White to gray powder or solid
Odor	White powder/crystals
Maximum wavelength(λmax)	326nm(CH2Cl2)(lit.)
pKa	-5.97±0.60(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.718
MDL	MFCD03093250
Use	OLED hole transport material.

139092-78-7 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S36 - Wear suitable protective clothing.
WGK Germany	3
HS Code	29339900

139092-78-7 - Introduction

4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine is an organic compound with the chemical formula [C6H4(C9H6N3)3]. The following is a description of its nature, use, preparation and safety information:

Nature:
4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine is a yellow crystalline solid. It has good thermal stability and light stability. Its solubility is poor, almost insoluble in water at room temperature, but soluble in organic solvents such as alcohols and ethers.

Use:
4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine is commonly used as an antioxidant and light stabilizer for organic photoelectric functional materials. It can be used in electronic devices, coatings, plastics and other fields to improve the light resistance and heat resistance of materials.

Preparation Method:
The preparation of 4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine typically uses in-situ polymerization. A common synthetic method is by reacting aniline with Tri (tert-butyl)-4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine under nitrogen protection to yield the desired product.

Safety Information:
4,4 ',4'-Tris(carbazol-9-yl)-triphenylamine has low toxicity under normal use conditions. But should avoid inhalation of its dust or contact with the skin. Appropriate protective equipment such as gloves, goggles and laboratory coats should be worn during handling. When accidentally into the eyes or mouth, should immediately rinse with plenty of water, and seek medical help. During use or storage, avoid contact with oxidants, strong acids or strong bases to avoid dangerous reactions.

Last Update：2024-04-10 22:29:15