CompoundList
Sign in
Synthetic aroma chemicals

Dihydrojasmone

Also known as 3-Methyl-2-pentylcyclopent-2-enone, 2-Cyclopenten-1-one, 3-methyl-2-pentyl-, 3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one

CAS 1128-08-1Formula C11H18OMolar mass 166.26 g/molEC 214-434-5
GHS signal word: Warning. Pictograms: Harmful or irritant 9 suppliers listed
Get quotes Compare 9 suppliers
Dihydrojasmone chemical structure, C11H18O, CAS 1128-08-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1128-08-1
Formula
C11H18O
Molar mass
166.26 g/mol
EC number
214-434-5
HS code
291429
Category
Synthetic aroma chemicals

What is Dihydrojasmone?

Plain description, key identifiers and synonyms

3-methyl-2-pentylcyclopent-2-en-1-one is a cyclic ketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-methyl-2-pentylcyclopent-2-en-1-one
CAS number
1128-08-1 CAS number cross-checked
EC number
214-434-5
Molecular formula
C11H18O
UNII
Y953R7PP90
MDL number
MFCD00036480
INCI name
DIHYDROJASMONE
InChIKey
YCIXWYOBMVNGTB-UHFFFAOYSA-N
InChI
InChI=1S/C11H18O/c1-3-4-5-6-10-9(2)7-8-11(10)12/h3-8H2,1-2H3
SMILES (canonical and isomeric)
CCCCCC1=C(CCC1=O)C

Synonyms

  • 3-Methyl-2-pentylcyclopent-2-enone
  • 2-Cyclopenten-1-one, 3-methyl-2-pentyl-
  • 3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one
  • 3-methyl-2-pentylcyclopent-2-en-1-one
  • 2-Pentyl-3-methyl-2-cyclopenten-1-one
  • Jasmone, dihydro-
  • Dihydrojasmone (natural)
  • Jasmone,dihydro
  • 2-Amyl-3-methyl-2-cyclopenten-1-one
  • 2-n-Pentyl-3-methyl-2-cyclopenten-1-one
  • 3-Methyl-2-pentyl-cyclopent-2-enone
  • 2-Pentyl-3-methyl-2-cyclopentenone
  • Tetrahydropyrethrone
  • dihydro-jasmone
  • 2-Pentyl-3-meth
  • 3-methyl-2-pentyl-cyclopent-2-en-1-one
  • Dihydrojasmone, analytical standard
  • 3-methyl-2-pentyl-2-cyclopentenone
  • Dihydrojasmone, >=98%, stabilized, FG
  • 2-Amyl-3-methyl-2-cyclopentenone
  • 3-Methyl-2-pentyl-2-cyclopenten-1-one #
  • Methyl-2-pentyl-2-cyclopenten-1-one
  • Dihydrojasmone(2-Pentyl-3-methyl-2-cyclopenten-1-one)
  • 3- Methyl-2-(N-pentanyl)-2-cyclopenten-1-one

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
166.26 g/molcalc.
Exact mass
166.1358 Dacalc.
LogP (octanol/water)
3.25calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
4calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
0calc.
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=C1C=CCC1

O=C1C=CCC1

1 ring, 6 atoms, the 2-Cyclopenten-1-one ring system.

829 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dihydrojasmone suppliers

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

All 9 suppliers
9 of 9 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

9 suppliers in 5 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Dihydrojasmone 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name DIHYDROJASMONE(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 Dihydrojasmone is traded under.

HS 2914.29Indicative HS code

Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other

World exports in 2024
$1B
+6.6% vs 2023, imports $980M
2019 to 2024
Top exporters
  1. China32.5%
  2. India * partner reported12.9%
  3. Germany12.3%
Top importers
  1. United States15.7%
  2. Japan8.7%
  3. Germany8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dihydrojasmone?

3-methyl-2-pentylcyclopent-2-en-1-one is a cyclic ketone.

What is the CAS number of Dihydrojasmone?

The CAS registry number of Dihydrojasmone is 1128-08-1.

What is the molecular formula and weight of Dihydrojasmone?

The molecular formula of Dihydrojasmone is C11H18O and its molar mass is 166.26 g/mol.

What is Dihydrojasmone used for?

Known uses and roles of Dihydrojasmone include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, aldehydes and ketones in flavors and fragrances, perfuming, flavouring and nutrient and 1 more.

Is Dihydrojasmone hazardous?

Dihydrojasmone carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dihydrojasmone?

Dihydrojasmone is usually classified under HS code 291429 (Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dihydrojasmone?

CompoundList lists 9 suppliers of Dihydrojasmone in China, Germany, France, Mexico and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dihydrojasmone?

Suppliers quote Dihydrojasmone 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 Dihydrojasmone

Get quotes for Dihydrojasmone

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Dihydrojasmone
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Dihydrojasmone with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/dihydrojasmone-1128-08-1" title="Dihydrojasmone structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Synthetic aroma chemicals or HS code 291429

9 suppliers
Free quotes, contact stays private
Get quotes