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Pentacene CAS 135-48-8

Pentacene is a dark blue to black crystalline solid, insoluble in common solvents. As an organic semiconductor material, widely used in flexible electronics (e.g. field effect transistors, photovoltaic devices) and photovoltaic research, its high hole mobility (~1.5 cm²/V-s) and molecular stacking characteristics are outstanding. It should be stored in an inert atmosphere protected from light to avoid oxidative degradation.
 
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Pentacene   Basic information
Product Name: Pentacene
CAS: 135-48-8
MF: C22H14
MW: 278.35
EINECS: 205-193-7
Mol File: 135-48-8.mol
Pentacene Chemical   Properties
Melting point 372-374 °C (subl.)
Boiling point 356.16°C (rough estimate)
density 1.1489 (estimate)
refractive index 1.8120 (estimate)
storage temp. 0-6°C
solubility Soluble in organic solvents.
form Fine Crystalline Powder
color Dark blue, purple, or black
Water Solubility insoluble
semiconductor properties P-type (mobility=0.4-3cm2/V·s) (on/off ratio=1E5-1E8)
Sensitive Air & Light Sensitive
λmax 577nm(Toluene)(lit.)
Merck 147,107
BRN 1912418
Stability: Stable, but air and light sensitive. Incompatible with strong   oxidizing agents.
CAS DataBase Reference 135-48-8(CAS DataBase Reference)
NIST Chemistry Reference Pentacene(135-48-8)
EPA Substance Registry System Pentacene (135-48-8)
Solvent Pentacene is insoluble in most of the organic solvents.   Trichlorobenzene is normally used to form solution at 60 - 120?°C [10]
Absorption λmax?= 576 nm (in benzene) [11]

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