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Aliphatic and alicyclic building blocks

2-Octadecyne

Also known as octadec-2-yne

CAS 61847-97-0Formula C18H34Molar mass 250.47 g/mol
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2-Octadecyne chemical structure, C18H34, CAS 61847-97-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
61847-97-0
Formula
C18H34
Molar mass
250.47 g/mol
HS code
290129
Category
Aliphatic and alicyclic building blocks

What is 2-Octadecyne?

Plain description, key identifiers and synonyms

2-Octadecyne is a chemical substance with the molecular formula C18H34 and a molar mass of 250.47 g/mol. Its CAS registry number is 61847-97-0. The IUPAC name is octadec-2-yne.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
octadec-2-yne
CAS number
61847-97-0
Molecular formula
C18H34
InChIKey
WXNOCMKVJXUPOC-UHFFFAOYSA-N
InChI
InChI=1S/C18H34/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3,5,7-18H2,1-2H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCC#CC

Synonyms

  • octadec-2-yne

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
250.47 g/molcalc.
Exact mass
250.2661 Dacalc.
LogP (octanol/water)
6.49calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
13calc.
Heavy atoms
18calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

2-Octadecyne suppliers

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2-Octadecyne price

Indicative price range per kg from live supplier offers

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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 2-Octadecyne is traded under.

HS 2901.29Indicative HS code

Unsaturated, other

World exports in 2024
$2.65B
−3.2% vs 2023, imports $2.57B
2019 to 2024
Top exporters
  1. United States43.9%
  2. South Africa15.3%
  3. Qatar * partner reported9.0%
Top importers
  1. Singapore10.9%
  2. United States10.1%
  3. South Korea8.7%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Octadecyne is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Octadecyne, based on the data on this page

What is 2-Octadecyne?

2-Octadecyne is a chemical substance with the molecular formula C18H34 and a molar mass of 250.47 g/mol. Its CAS registry number is 61847-97-0. The IUPAC name is octadec-2-yne.

What is the CAS number of 2-Octadecyne?

The CAS registry number of 2-Octadecyne is 61847-97-0.

What is the molecular formula and weight of 2-Octadecyne?

The molecular formula of 2-Octadecyne is C18H34 and its molar mass is 250.47 g/mol.

What is 2-Octadecyne used for?

Known uses and roles of 2-Octadecyne include building blocks in research and laboratory.

Is 2-Octadecyne hazardous?

No GHS hazard classification for 2-Octadecyne 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 2-Octadecyne?

2-Octadecyne is usually classified under HS code 290129 (Unsaturated, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Octadecyne?

Post a free request on CompoundList and suppliers of 2-Octadecyne will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Octadecyne?

Suppliers quote 2-Octadecyne 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 2-Octadecyne

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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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