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Aliphatic and alicyclic building blocks

Ethyl arachidate

Also known as Ethyl icosanoate, Eicosanoic acid, ethyl ester, Ethyl eicosanoate

CAS 18281-05-5Formula C22H44O2Molar mass 340.59 g/mol
1 supplier listed
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Ethyl arachidate chemical structure, C22H44O2, CAS 18281-05-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18281-05-5
Formula
C22H44O2
Molar mass
340.59 g/mol
HS code
291590
Category
Aliphatic and alicyclic building blocks

What is Ethyl arachidate?

Plain description, key identifiers and synonyms

Ethyl arachidate is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of arachidic (icosanoic) acid with the hydroxy group of ethanol. It is functionally related to an icosanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl icosanoate
CAS number
18281-05-5 CAS number cross-checked
Molecular formula
C22H44O2
UNII
KKI20ZX76X
MDL number
MFCD00056233
InChIKey
YBKSMWBLSBAFBQ-UHFFFAOYSA-N
InChI
InChI=1S/C22H44O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(23)24-4-2/h3-21H2,1-2H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCCCC(=O)OCC

Synonyms

  • Ethyl icosanoate
  • Eicosanoic acid, ethyl ester
  • Ethyl eicosanoate
  • Ethyl Arachate
  • Arachidic acid, ethyl ester
  • Ethyl arachidic acid
  • Ethyl eicosanoic acid
  • Arachidate, ethyl ester
  • Eicosanoate, ethyl ester
  • Arachidic acid ethyl ester
  • Icosanoic Acid Ethyl Ester
  • Ethylicosanoate
  • Ethyl arachidate, >=99%
  • QSPL 091

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
340.59 g/molcalc.
Exact mass
340.3341 Dacalc.
LogP (octanol/water)
7.59calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
19calc.
Heavy atoms
24calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.96calc.
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.

Ethyl arachidate suppliers

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Where suppliers are based

1 supplier in 1 country

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Ethyl arachidate 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 Ethyl arachidate is traded under.

HS 2915.90Indicative HS code

Saturated acyclic monocarboxylic acids, anhydrides, halides, peroxides, peroxyacids and halogenated…

World exports in 2024
$3.42B
+5.6% vs 2023, imports $3.55B
2019 to 2024
Top exporters
  1. Indonesia15.9%
  2. Germany13.0%
  3. Malaysia12.4%
Top importers
  1. China14.4%
  2. Netherlands11.7%
  3. United States11.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Ethyl arachidate, based on the data on this page

What is Ethyl arachidate?

Ethyl arachidate is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of arachidic (icosanoic) acid with the hydroxy group of ethanol. It is functionally related to an icosanoic acid.

What is the CAS number of Ethyl arachidate?

The CAS registry number of Ethyl arachidate is 18281-05-5.

What is the molecular formula and weight of Ethyl arachidate?

The molecular formula of Ethyl arachidate is C22H44O2 and its molar mass is 340.59 g/mol.

What is Ethyl arachidate used for?

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

Is Ethyl arachidate hazardous?

No GHS hazard classification for Ethyl arachidate 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 Ethyl arachidate?

Ethyl arachidate is usually classified under HS code 291590 (Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ethyl arachidate?

CompoundList lists 1 supplier of Ethyl arachidate in Sweden. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ethyl arachidate?

Suppliers quote Ethyl arachidate 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 Ethyl arachidate

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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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