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Synthetic aroma chemicals

delta-Octalactone

Also known as delta-Octanolactone, 6-propyloxan-2-one, 2H-Pyran-2-one, tetrahydro-6-propyl-

CAS 698-76-0Formula C8H14O2Molar mass 142.20 g/molEC 211-820-5
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delta-Octalactone chemical structure, C8H14O2, CAS 698-76-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
698-76-0
Formula
C8H14O2
Molar mass
142.20 g/mol
EC number
211-820-5
HS code
293220
Category
Synthetic aroma chemicals

What is delta-Octalactone?

Plain description, key identifiers and synonyms

Delta-octanolide is a delta-lactone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-propyloxan-2-one
CAS number
698-76-0 CAS number cross-checked
EC number
211-820-5
Molecular formula
C8H14O2
UNII
8AA944C37V
MDL number
MFCD00144051
INCI name
DELTA-OCTALACTONE
InChIKey
FYTRVXSHONWYNE-UHFFFAOYSA-N
InChI
InChI=1S/C8H14O2/c1-2-4-7-5-3-6-8(9)10-7/h7H,2-6H2,1H3
SMILES (canonical and isomeric)
CCCC1CCCC(=O)O1

Synonyms

  • delta-Octanolactone
  • 6-propyloxan-2-one
  • 2H-Pyran-2-one, tetrahydro-6-propyl-
  • Tetrahydro-6-propyl-2H-pyran-2-one
  • 5-Hydroxyoctanoic acid lactone
  • 5-Octanolide
  • delta-octanolide
  • 5-Propyl-5-hydroxypentanoic acid lactone
  • 6-Propyltetrahydro-2H-pyran-2-one
  • d-Octalactone
  • 6-Propyl-tetrahydropyran-2-one
  • 5-17-09-00068 (Beilstein Handbook Reference)
  • 5-Hydroxyoctanoic acid delta-lactone
  • xi-Tetrahydro-6-propyl-2H-pyran-2-one
  • 5-Octalactone
  • 1,5-Octalactone
  • delta-Propyl-delta-valerolactone
  • 6-propyltetrahydropyran-2-one
  • Octalactone
  • Octanolactone
  • beta-Octalactone
  • Octanoic acid, 5-hydroxy-, lactone
  • delta-Propylvalerolactone
  • delta-Octanolactone, AldrichCPR
  • (rs)-delta-octalactone
Show all 29 synonyms
  • 6-Propyltetrahydro-2H-pyran-2-one #
  • 6-propyl-3H-4,5,6-trihydropyran-2-one
  • Octanoic acid, 5-hydroxy-, delta-lactone
  • delta-Octalactone Solution in Acetone, 100ug/mL

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
142.20 g/molcalc.
Exact mass
142.0994 Dacalc.
LogP (octanol/water)
1.88calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
1calc.
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, O=C1CCCCO1

O=C1CCCCO1

1 ring, 7 atoms, the delta-Valerolactone ring system.

353 other chemicals share 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.

delta-Octalactone suppliers

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

All 13 suppliers
13 of 13 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

13 suppliers in 3 countries

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delta-Octalactone 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

Cosmetic ingredient, INCI name DELTA-OCTALACTONE(perfuming)

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code delta-Octalactone is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about delta-Octalactone, based on the data on this page

What is delta-Octalactone?

Delta-octanolide is a delta-lactone.

What is the CAS number of delta-Octalactone?

The CAS registry number of delta-Octalactone is 698-76-0.

What is the molecular formula and weight of delta-Octalactone?

The molecular formula of delta-Octalactone is C8H14O2 and its molar mass is 142.20 g/mol.

What is delta-Octalactone used for?

Known uses and roles of delta-Octalactone include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, esters and lactones in flavors and fragrances, perfuming, flavouring and nutrient and 1 more.

Is delta-Octalactone hazardous?

No GHS hazard classification for delta-Octalactone 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 delta-Octalactone?

delta-Octalactone is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy delta-Octalactone?

CompoundList lists 13 suppliers of delta-Octalactone in China, Germany and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of delta-Octalactone?

Suppliers quote delta-Octalactone 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 delta-Octalactone

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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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