135-48-8

Name Pentacene
CAS 135-48-8
EINECS(EC#) 205-193-7
Molecular Formula C22H14
MDL Number MFCD00003710
Molecular Weight 278.35
MOL File 135-48-8.mol
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Chemical Properties

Appearance solid
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
Stability: Stable, but air and light sensitive. Incompatible with strong oxidizing agents.
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.)
Detection Methods IR,MS
Merck  7107
BRN  1912418
InChI 1S/C22H14/c1-2-6-16-10-20-14-22-12-18-8-4-3-7-17(18)11-21(22)13-19(20)9-15(16)5-1/h1-14H
InChIKey SLIUAWYAILUBJU-UHFFFAOYSA-N
SMILES c1ccc2cc3cc4cc5ccccc5cc4cc3cc2c1
CAS DataBase Reference 135-48-8(CAS DataBase Reference)
NIST Chemistry Reference Pentacene(135-48-8)
Storage Precautions Light sensitive;Store under nitrogen;Air sensitive
EPA Substance Registry System 135-48-8(EPA Substance)
Absorption λmax?= 576 nm (in benzene) [11]
Solvent Pentacene is insoluble in most of the organic solvents. Trichlorobenzene is normally used to form solution at 60 - 120?°C [10]
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Safety Data

Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
F  8-10-23
TSCA  Yes
HS Code  29029090
Storage Class 11 - Combustible Solids

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