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Aromatic building blocks

Pentacene

Also known as lin-Dibenzanthracene, lin-Naphthoanthracene, Benzo[b]naphthacene

CAS 135-48-8Formula C22H14Molar mass 278.35 g/molEC 205-193-7
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Pentacene chemical structure, C22H14, CAS 135-48-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
135-48-8
Formula
C22H14
Molar mass
278.35 g/mol
EC number
205-193-7
HS code
290290
Category
Aromatic building blocks

What is Pentacene?

Plain description, key identifiers and synonyms

Pentacene is an acene that consists of five ortho-fused benzene rings in a rectilinear arrangement. It is an acene and a member of pentacenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentacene
CAS number
135-48-8 CAS number cross-checkedOther or deprecated CAS: 78260-42-1
EC number
205-193-7
Molecular formula
C22H14
UNII
9FQU5HA0UY
MDL number
MFCD00003710
InChIKey
SLIUAWYAILUBJU-UHFFFAOYSA-N
InChI
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
SMILES (canonical and isomeric)
C1=CC=C2C=C3C=C4C=C5C=CC=CC5=CC4=CC3=CC2=C1

Synonyms

  • lin-Dibenzanthracene
  • lin-Naphthoanthracene
  • Benzo[b]naphthacene
  • 2,3:6,7-Dibenzanthracene
  • Benzo(b)naphthacene
  • Pentacene (purified by sublimation)
  • Pentacene, (purified by sublimation)
  • Pentacene, triple-sublimed grade, >=99.995% trace metals basis
  • Pentacene (99.999%, trace metals basis) (purified by sublimation)
  • 2,7-Dibenzanthracene
  • YSWG768
  • Benzo[b]naphth
  • Pentacene, 99%
  • 2,3,6,7-Dibenzanthracene
  • Dibenz(b,i)anthracene
  • Pentacene, analytical standard
  • Pentacene, for fluorescence, >95.0%
  • Lin-Naphthoanthracene, 2,3:6,7-Dibenzanthracene
  • Pentacene, sublimed grade, >=99.9% trace metals basis
  • 2,3:6,7-Dibenzanthracene, Benzo[b]naphthacene, Dibenz[b,i]anthracene, NSC 90784, lin-Dibenzanthracene, lin-Naphthoanthracene

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
278.35 g/molcalc.
Exact mass
278.1096 Dacalc.
LogP (octanol/water)
6.3calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
5calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2cc3cc4cc5ccccc5cc4cc3cc2c1

c1ccc2cc3cc4cc5ccccc5cc4cc3cc2c1

5 rings, 22 atoms. This chemical is the scaffold itself.

29 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Pentacene suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 14 suppliers
14 of 14 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

14 suppliers in 7 countries

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Pentacene price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pentacene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Pentacene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pentacene, based on the data on this page

What is Pentacene?

Pentacene is an acene that consists of five ortho-fused benzene rings in a rectilinear arrangement. It is an acene and a member of pentacenes.

What is the CAS number of Pentacene?

The CAS registry number of Pentacene is 135-48-8. Other or deprecated CAS numbers: 78260-42-1.

What is the molecular formula and weight of Pentacene?

The molecular formula of Pentacene is C22H14 and its molar mass is 278.35 g/mol.

What is Pentacene used for?

Known uses and roles of Pentacene include building blocks in research and laboratory.

Is Pentacene hazardous?

No GHS hazard classification for Pentacene is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Pentacene?

Pentacene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentacene?

CompoundList lists 14 suppliers of Pentacene in China, Canada, United Kingdom, India and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Pentacene in India?

1 supplier in India list Pentacene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Pentacene?

Suppliers quote Pentacene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pentacene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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