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Aromatic building blocks

Triphenylene

Also known as 9,10-Benzophenanthrene, Isochrysene, 9,10-Benzphenanthrene

CAS 217-59-4Formula C18H12Molar mass 228.29 g/molEC 205-922-9
19 suppliers listed
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Triphenylene chemical structure, C18H12, CAS 217-59-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
217-59-4
Formula
C18H12
Molar mass
228.29 g/mol
EC number
205-922-9
HS code
290290
Category
Aromatic building blocks

What is Triphenylene?

Plain description, key identifiers and synonyms

Triphenylene is an ortho-fused polycyclic arene consisting of four fused benzene rings.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenylene
CAS number
217-59-4 CAS number cross-checkedOther or deprecated CAS: 53814-75-8
EC number
205-922-9
Molecular formula
C18H12
UNII
18WX3373I0
MDL number
MFCD00001108
InChIKey
SLGBZMMZGDRARJ-UHFFFAOYSA-N
InChI
InChI=1S/C18H12/c1-2-8-14-13(7-1)15-9-3-4-11-17(15)18-12-6-5-10-16(14)18/h1-12H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C3=CC=CC=C3C4=CC=CC=C24

Synonyms

  • 9,10-Benzophenanthrene
  • Isochrysene
  • 9,10-Benzphenanthrene
  • Benzo(l)phenanthrene
  • Benzo[l]phenanthrene
  • 1,2,3,4-Dibenznaphthalene
  • triphenylene (purity)
  • 1,2:3,4-Dibenznaphthalene
  • triphenylen
  • Triphenylene, 97%
  • Triphenylene, 98%
  • 1,3,4-Dibenznaphthalene
  • Triphenylene, analytical standard
  • Triphenylene (purified by sublimation)
  • Triphenylene 10 |Ig/mL in Cyclohexane
  • Triphenylene 10 |Ig/mL in Acetonitrile
  • Triphenylene 10 microg/mL in Cyclohexane
  • Triphenylene 10 microg/mL in Acetonitrile
  • Triphenylene, BCR(R) certified Reference Material

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, c1ccc2c(c1)c1ccccc1c1ccccc21

c1ccc2c(c1)c1ccccc1c1ccccc21

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

142 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.

Triphenylene suppliers

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

All 19 suppliers
19 of 19 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

19 suppliers in 7 countries

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Triphenylene 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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triphenylene 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 Triphenylene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Triphenylene?

Triphenylene is an ortho-fused polycyclic arene consisting of four fused benzene rings.

What is the CAS number of Triphenylene?

The CAS registry number of Triphenylene is 217-59-4. Other or deprecated CAS numbers: 53814-75-8.

What is the molecular formula and weight of Triphenylene?

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

What is Triphenylene used for?

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

Is Triphenylene hazardous?

No GHS hazard classification for Triphenylene 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 Triphenylene?

Triphenylene 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 Triphenylene?

CompoundList lists 19 suppliers of Triphenylene in China, Hong Kong, United States, Canada 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 Triphenylene in India?

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

What is the price of Triphenylene?

Suppliers quote Triphenylene 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 Triphenylene

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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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