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Aliphatic and alicyclic building blocks

Hexadecanoic acid, pentyl ester

Also known as pentyl hexadecanoate, Pentyl palmitate

CAS 31148-31-9Formula C21H42O2Molar mass 326.57 g/molEC 250-487-0
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Hexadecanoic acid, pentyl ester chemical structure, C21H42O2, CAS 31148-31-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
31148-31-9
Formula
C21H42O2
Molar mass
326.57 g/mol
EC number
250-487-0
HS code
291570
Category
Aliphatic and alicyclic building blocks

What is Hexadecanoic acid, pentyl ester?

Plain description, key identifiers and synonyms

Hexadecanoic acid, pentyl ester is a chemical substance with the molecular formula C21H42O2 and a molar mass of 326.57 g/mol. Its CAS registry number is 31148-31-9. The IUPAC name is pentyl hexadecanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentyl hexadecanoate
CAS number
31148-31-9 CAS number cross-checked
EC number
250-487-0
Molecular formula
C21H42O2
InChIKey
YGDMPMKCHSXJJF-UHFFFAOYSA-N
InChI
InChI=1S/C21H42O2/c1-3-5-7-8-9-10-11-12-13-14-15-16-17-19-21(22)23-20-18-6-4-2/h3-20H2,1-2H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCC(=O)OCCCCC

Synonyms

  • pentyl hexadecanoate
  • Pentyl palmitate

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
326.57 g/molcalc.
Exact mass
326.3185 Dacalc.
LogP (octanol/water)
7.2calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
18calc.
Heavy atoms
23calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
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.

Hexadecanoic acid, pentyl ester suppliers

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Hexadecanoic acid, pentyl ester 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

Functional uses

  • Flavouring and nutrient

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 Hexadecanoic acid, pentyl ester is traded under.

HS 2915.70Indicative HS code

Palmitic acid, stearic acid, their salts and esters

World exports in 2024
$1.25B
+23.7% vs 2023, imports $1.13B
2019 to 2024
Top exporters
  1. Indonesia32.2%
  2. Malaysia23.0%
  3. Singapore6.5%
Top importers
  1. United States10.7%
  2. Germany6.2%
  3. China5.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Hexadecanoic acid, pentyl ester is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hexadecanoic acid, pentyl ester, based on the data on this page

What is Hexadecanoic acid, pentyl ester?

Hexadecanoic acid, pentyl ester is a chemical substance with the molecular formula C21H42O2 and a molar mass of 326.57 g/mol. Its CAS registry number is 31148-31-9. The IUPAC name is pentyl hexadecanoate.

What is the CAS number of Hexadecanoic acid, pentyl ester?

The CAS registry number of Hexadecanoic acid, pentyl ester is 31148-31-9.

What is the molecular formula and weight of Hexadecanoic acid, pentyl ester?

The molecular formula of Hexadecanoic acid, pentyl ester is C21H42O2 and its molar mass is 326.57 g/mol.

What is Hexadecanoic acid, pentyl ester used for?

Known uses and roles of Hexadecanoic acid, pentyl ester include building blocks in research and laboratory and flavouring and nutrient.

Is Hexadecanoic acid, pentyl ester hazardous?

No GHS hazard classification for Hexadecanoic acid, pentyl ester 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 Hexadecanoic acid, pentyl ester?

Hexadecanoic acid, pentyl ester is usually classified under HS code 291570 (Palmitic acid, stearic acid, their salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hexadecanoic acid, pentyl ester?

Post a free request on CompoundList and suppliers of Hexadecanoic acid, pentyl ester will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hexadecanoic acid, pentyl ester?

Suppliers quote Hexadecanoic acid, pentyl ester 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 Hexadecanoic acid, pentyl ester

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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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