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Aromatic building blocks

Decalene

Also known as (1Z,2E,4Z,6E,8Z,9E,11Z,13Z,15E)-Decalene, [1(16a)Z,2E,4Z,6E,8(8a)Z,9E,11Z,13Z,15E]-Decalene

CAS 51831-03-9Formula C18H16Molar mass 232.33 g/mol
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Decalene chemical structure, C18H16, CAS 51831-03-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
51831-03-9
Formula
C18H16
Molar mass
232.33 g/mol
HS code
290290
Category
Aromatic building blocks

What is Decalene?

Plain description, key identifiers and synonyms

Decalene is a chemical substance with the molecular formula C18H16 and a molar mass of 232.33 g/mol. Its CAS registry number is 51831-03-9. The IUPAC name is bicyclo[8.8.0]octadeca-1,3,5,7,9,11,13,15,17-nonaene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bicyclo[8.8.0]octadeca-1,3,5,7,9,11,13,15,17-nonaene
CAS number
51831-03-9 CAS number cross-checked
Molecular formula
C18H16
InChIKey
CUPPIVDILVTSCO-UHFFFAOYSA-N
InChI
InChI=1S/C18H16/c1-2-6-10-14-18-16-12-8-4-3-7-11-15-17(18)13-9-5-1/h1-16H
SMILES (canonical and isomeric)
C1=CC=CC=C2C=CC=CC=CC=CC2=CC=C1

Synonyms

  • (1Z,2E,4Z,6E,8Z,9E,11Z,13Z,15E)-Decalene
  • [1(16a)Z,2E,4Z,6E,8(8a)Z,9E,11Z,13Z,15E]-Decalene

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
232.33 g/molcalc.
Exact mass
232.1252 Dacalc.
LogP (octanol/water)
5.09calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
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, c1ccccc2ccccccccc2ccc1

c1ccccc2ccccccccc2ccc1

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

No other chemical in our database has 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.

Decalene suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Decalene can send you quotes. Your contact details stay private until you accept a quote.

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

Frequently asked questions

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

What is Decalene?

Decalene is a chemical substance with the molecular formula C18H16 and a molar mass of 232.33 g/mol. Its CAS registry number is 51831-03-9. The IUPAC name is bicyclo[8.8.0]octadeca-1,3,5,7,9,11,13,15,17-nonaene.

What is the CAS number of Decalene?

The CAS registry number of Decalene is 51831-03-9.

What is the molecular formula and weight of Decalene?

The molecular formula of Decalene is C18H16 and its molar mass is 232.33 g/mol.

What is Decalene used for?

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

Is Decalene hazardous?

No GHS hazard classification for Decalene 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 Decalene?

Decalene 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 Decalene?

Post a free request on CompoundList and suppliers of Decalene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Decalene?

Suppliers quote Decalene 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 Decalene

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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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