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65181-78-4

Name N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)benzidine
CAS 65181-78-4
EINECS(EC#) 413-810-8
Molecular Formula C38H32N2
MDL Number MFCD00144965
Molecular Weight 516.67
MOL File 65181-78-4.mol
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Chemical Properties

Appearance solid
Melting point  169°C
Boiling point  680.1±55.0 °C(Predicted)
density  1.37 g/cm3
vapor pressure  3.356Pa at 25℃
storage temp.  Sealed in dry,Room Temperature
Water Solubility  Insoluble in water
form  Powder
pka -2.40±0.60(Predicted)
Stability: Stable. Incompatible with strong oxidizing agents.
LogP 4.29 at 20℃ and pH6.3-6.5
Surface tension 72.3mN/m at 242μg/L and 21.9℃
CAS DataBase Reference 65181-78-4(CAS DataBase Reference)
EPA Substance Registry System 65181-78-4(EPA Substance)
Absorption λmax?352 nm?in THF
color  White powder/crystals
Description
N,N′-Bis(3-methylphenyl)-N,N′-diphenylbenzidine, commonly abbreviated as TPD,?is widely used as hole transport materials in organic electronic devices.

Safety Data

Hazard Codes  N
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  3077
WGK Germany  2
HazardClass  9
PackingGroup  III
HS Code  29215900

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