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Hydrocarbons

Biphenylene

Also known as Diphenylene, Cyclobutadibenzene, Dibenzocyclobutadiene

CAS 259-79-0Formula C12H8Molar mass 152.20 g/molEC 690-155-6
GHS hazard pictograms. Pictograms: Hazardous to the environment 5 suppliers listed
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Biphenylene chemical structure, C12H8, CAS 259-79-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
259-79-0
Formula
C12H8
Molar mass
152.20 g/mol
EC number
690-155-6
HS code
290290
Category
Hydrocarbons

What is Biphenylene?

Plain description, key identifiers and synonyms

Biphenylene is an ortho-fused polycyclic arene and an ortho-fused tricyclic hydrocarbon.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
biphenylene
CAS number
259-79-0 CAS number cross-checked
EC number
690-155-6
Molecular formula
C12H8
UNII
0Z64I7D5M2
MDL number
MFCD00001110
InChIKey
IFVTZJHWGZSXFD-UHFFFAOYSA-N
InChI
InChI=1S/C12H8/c1-2-6-10-9(5-1)11-7-3-4-8-12(10)11/h1-8H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C3=CC=CC=C23

Synonyms

  • Diphenylene
  • Cyclobutadibenzene
  • Dibenzocyclobutadiene
  • 1,1'-Biphenylene
  • Biphenylene (8CI)(9CI)
  • Biphenylene (8CI)
  • biphenylen
  • Biphenylene, 99%

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
152.20 g/molcalc.
Exact mass
152.0626 Dacalc.
LogP (octanol/water)
3.33calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
12calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)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)-c1ccccc1-2

c1ccc2c(c1)-c1ccccc1-2

3 rings, 12 atoms. This chemical is the scaffold itself.

63 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • 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

Biphenylene suppliers

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

All 5 suppliers
5 of 5 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

5 suppliers in 4 countries

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

Frequently asked questions

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

What is Biphenylene?

Biphenylene is an ortho-fused polycyclic arene and an ortho-fused tricyclic hydrocarbon.

What is the CAS number of Biphenylene?

The CAS registry number of Biphenylene is 259-79-0.

What is the molecular formula and weight of Biphenylene?

The molecular formula of Biphenylene is C12H8 and its molar mass is 152.20 g/mol.

What is Biphenylene used for?

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

Is Biphenylene hazardous?

Biphenylene has a GHS hazard classification. Main hazards: toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Biphenylene?

Biphenylene 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 Biphenylene?

CompoundList lists 5 suppliers of Biphenylene in United States, China, Germany and Singapore. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Biphenylene?

Suppliers quote Biphenylene 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 Biphenylene

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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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