CompoundList
Sign in
Aromatic building blocks

Naphthacene

Also known as Tetracene, 2,3-Benzanthracene, Benz[b]anthracene

CAS 92-24-0Formula C18H12Molar mass 228.29 g/molEC 202-138-9
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 12 suppliers listed
Get quotes Compare 12 suppliers
Naphthacene chemical structure, C18H12, CAS 92-24-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
92-24-0
Formula
C18H12
Molar mass
228.29 g/mol
EC number
202-138-9
HS code
290290
Category
Aromatic building blocks

What is Naphthacene?

Plain description, key identifiers and synonyms

Tetracene is an acene that consists of four ortho-fused benzene rings in a rectilinear arrangement. It is an acene and a member of tetracenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tetracene
CAS number
92-24-0 CAS number cross-checked
EC number
202-138-9
Molecular formula
C18H12
UNII
QYJ5Z6712R
MDL number
MFCD00003702
InChIKey
IFLREYGFSNHWGE-UHFFFAOYSA-N
InChI
InChI=1S/C18H12/c1-2-6-14-10-18-12-16-8-4-3-7-15(16)11-17(18)9-13(14)5-1/h1-12H
SMILES (canonical and isomeric)
C1=CC=C2C=C3C=C4C=CC=CC4=CC3=CC2=C1

Synonyms

  • Tetracene
  • 2,3-Benzanthracene
  • Benz[b]anthracene
  • Chrysogen
  • Rubene
  • Benz(b)anthracene
  • 2,3-Benzanthrene
  • Naphthacene (>80%)
  • Naphthacene (purified by sublimation)
  • naphthacene, benz[b]anthracene, tetracene, naphthacene, benz[b]anthracene
  • 2,3-Benzanthracene, Benz[B]Anthracene
  • Methacene
  • Tetracen
  • 2,3-Benzanthracene (purified by sublimation), Tetracene (purified by sublimation)
  • Benz[
  • Benzo[b]anthracene
  • Benz[b]anthracene, 98%
  • naphthacene, benz[b]anthracene
  • Benz[b]anthracene, analytical standard
  • 2,3-Benzanthracene,Naphthacene,Tetracene
  • tetracene, naphthacene, benz[b]anthracene
  • Benz[b]anthracene, sublimed grade, 99.99% trace metals basis

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
228.29 g/molcalc.
Exact mass
228.0939 Dacalc.
LogP (octanol/water)
5.15calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
18calc.
Rings
4calc.
Aromatic rings
4calc.
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, c1ccc2cc3cc4ccccc4cc3cc2c1

c1ccc2cc3cc4ccccc4cc3cc2c1

4 rings, 18 atoms. This chemical is the scaffold itself.

49 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (15)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Naphthacene suppliers

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

All 12 suppliers
12 of 12 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

12 suppliers in 6 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Naphthacene 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.

Get latest price

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 Naphthacene 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 Naphthacene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Naphthacene?

Tetracene is an acene that consists of four ortho-fused benzene rings in a rectilinear arrangement. It is an acene and a member of tetracenes.

What is the CAS number of Naphthacene?

The CAS registry number of Naphthacene is 92-24-0.

What is the molecular formula and weight of Naphthacene?

The molecular formula of Naphthacene is C18H12 and its molar mass is 228.29 g/mol.

What is Naphthacene used for?

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

Is Naphthacene hazardous?

Naphthacene carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Naphthacene?

Naphthacene 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 Naphthacene?

CompoundList lists 12 suppliers of Naphthacene in China, United States, Canada, Germany and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Naphthacene?

Suppliers quote Naphthacene 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 Naphthacene

Get quotes for Naphthacene

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Naphthacene
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Naphthacene with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/naphthacene-92-24-0" title="Naphthacene structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 290290

12 suppliers
Free quotes, contact stays private
Get quotes