Pentacene

CAS 135-48-8C22H14Chemical Synthesis

Pentacene (CAS: 135-48-8, C22H14) is a polycyclic aromatic hydrocarbon with a molecular weight of 278.35 g/mol. This compound is renowned for its semiconductor properties, particularly as a p-type organic semiconductor. Supplied in a triple-sublimed grade, Pentacene is a crucial material for advanced applications in organic electronics, including organic field-effect transistors (OFETs) and organic photovoltaic (OPV) devices.

Email us

Pentacene (C22H14) — chemical structure, CAS 135-48-8; Chemistry, fine chemical supplied by Tech Serve Solutions

ArenesBuilding BlocksChemical SynthesisDonor MaterialsMaterials ScienceOrganic Building BlocksSmall MoleculesSublimed Materials

01 /Applications

Organic Field-Effect Transistors (OFETs)

Pentacene is widely used as an active layer in OFETs due to its high charge carrier mobility. Its well-defined crystal structure and favourable electronic properties enable efficient charge transport, making it suitable for next-generation electronic components.

Organic Photovoltaics (OPVs)

As a p-type organic semiconductor, Pentacene serves as a donor material in OPV cells. It contributes to the efficient absorption of light and charge generation in devices, demonstrating notable power conversion efficiencies in research settings.

Materials Science Research

Pentacene is a fundamental molecule for exploring charge transport phenomena in organic materials. Its well-characterised properties make it an excellent model compound for developing new organic electronic materials and understanding their fundamental behaviour.

Chemical Synthesis Building Block

The complex aromatic structure of Pentacene makes it a valuable building block for synthesising more complex organic molecules and advanced functional materials. Its reactivity allows for further chemical modification.

02 /Properties

Molecular weight	278.35
Empirical formula	C22H14
Assay	≥99.995% trace metals basis
Grade	triple-sublimed grade
Solubility	organic solvents: slightly soluble ((lit))
Application	p-Type organic conductor. Triple-sublimed grade for organic electronic device applications.
Melting point	372-374 °C (subl.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

135-48-8

MDL number

MFCD00003710

Beilstein registry

1912418

05 /Additional specifications

Semiconductor Properties	P-type (mobility=0.4-3 cm2/V·s)
Orbital Energy	HOMO 5 eV LUMO 3 eV
Opv Device Performance	ITO/pentacene/C60/BCP/Al1• Short-circuit current density (Jsc): 15 mA/cm2• Open-circuit voltage (Voc): 0.36 V• Fill Factor (FF): 0.5• Power Conversion Efficiency (PCE): 2.7 %

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Pentacene used for?

Pentacene is primarily used as a p-type organic semiconductor in applications such as organic field-effect transistors (OFETs) and organic photovoltaic (OPV) devices. It is also utilised in materials science research as a model compound for studying charge transport and as a building block for synthesising more complex organic molecules.

What are the CAS number and formula for Pentacene?

Pentacene has the CAS number 135-48-8 and the empirical formula C22H14.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Pentacene in a triple-sublimed grade with an assay of ≥99.995% on a trace metals basis. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

What are the safety considerations when handling Pentacene?

Pentacene is classified with a WGK Germany of 3, indicating it is hazardous to water. When handling, it is recommended to use safety equipment including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter.

How is Pentacene typically packed and shipped by TSS?

Tech Serve Solutions carefully packs and exports fine chemicals like Pentacene globally, adhering to stringent international shipping regulations to ensure product integrity and safety during transit.

How can I request a sample or obtain a quote for Pentacene?

To request a sample or obtain a quote for Pentacene, please contact our sales team through our website or by phone. We will be pleased to assist you with your specific requirements.