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Synthetic aroma chemicals

Mesitene lactone

Also known as 4,6-Dimethyl-2H-pyran-2-one, 4,6-Dimethyl-2-pyrone, 4,6-dimethylpyran-2-one

CAS 675-09-2Formula C7H8O2Molar mass 124.14 g/molEC 211-618-7
GHS signal word: Warning. Pictograms: Harmful or irritant
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Mesitene lactone chemical structure, C7H8O2, CAS 675-09-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
675-09-2
Formula
C7H8O2
Molar mass
124.14 g/mol
EC number
211-618-7
HS code
293220
Category
Synthetic aroma chemicals

What is Mesitene lactone?

Plain description, key identifiers and synonyms

Mesitene lactone is a chemical substance with the molecular formula C7H8O2 and a molar mass of 124.14 g/mol. Its CAS registry number is 675-09-2. The IUPAC name is 4,6-dimethylpyran-2-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4,6-dimethylpyran-2-one
CAS number
675-09-2 CAS number cross-checked
EC number
211-618-7
Molecular formula
C7H8O2
UNII
G2MA4KIQ1B
MDL number
MFCD00075555
INCI name
4,6-DIMETHYL-PYRAN-2-ONE
InChIKey
IXYLIUKQQQXXON-UHFFFAOYSA-N
InChI
InChI=1S/C7H8O2/c1-5-3-6(2)9-7(8)4-5/h3-4H,1-2H3
SMILES (canonical and isomeric)
CC1=CC(=O)OC(=C1)C

Synonyms

  • 4,6-Dimethyl-2H-pyran-2-one
  • 4,6-Dimethyl-2-pyrone
  • 4,6-dimethylpyran-2-one
  • 4,6-Dimethylcoumalin
  • 2H-Pyran-2-one, 4,6-dimethyl-
  • 4,6-Dimethyl-alpha-pyrone
  • 2,4-Dimethyl-alpha-pyrone
  • 4,6-dimethyl-2-pyranone
  • Sorbic acid, 5-hydroxy-3-methyl-, delta-lactone
  • 5-17-09-00409 (Beilstein Handbook Reference)
  • 4,6-Dimethyl-pyran-2-one
  • 2-Pyrone, 4,6-dimethyl-
  • 2H-Pyran-2-one,6-dimethyl-
  • 4,6-Dimethyl-alpha-pyrone, 98%

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
124.14 g/molcalc.
Exact mass
124.0524 Dacalc.
LogP (octanol/water)
1.26calc.
Topological polar surface area
30.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.29calc.
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=c1cccco1

O=c1cccco1

1 ring, 7 atoms, the 2H-Pyran-2-one ring system.

509 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

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P501Dispose of contents and container in accordance with local regulations.

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

Mesitene lactone suppliers

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Mesitene lactone 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

Cosmetic ingredient, INCI name 4,6-DIMETHYL-PYRAN-2-ONE(perfuming)

Functional uses

  • 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 Mesitene lactone 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 Mesitene lactone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Mesitene lactone, based on the data on this page

What is Mesitene lactone?

Mesitene lactone is a chemical substance with the molecular formula C7H8O2 and a molar mass of 124.14 g/mol. Its CAS registry number is 675-09-2. The IUPAC name is 4,6-dimethylpyran-2-one.

What is the CAS number of Mesitene lactone?

The CAS registry number of Mesitene lactone is 675-09-2.

What is the molecular formula and weight of Mesitene lactone?

The molecular formula of Mesitene lactone is C7H8O2 and its molar mass is 124.14 g/mol.

What is Mesitene lactone used for?

Known uses and roles of Mesitene lactone include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, esters and lactones in flavors and fragrances, perfuming and fragrance.

Is Mesitene lactone hazardous?

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

What is the HS code of Mesitene lactone?

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

Where can I buy Mesitene lactone?

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What is the price of Mesitene lactone?

Suppliers quote Mesitene lactone 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 Mesitene lactone

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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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