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Synthetic aroma chemicals

p-Methylphenoxyacetaldehyde

Also known as (4-Methylphenoxy)acetaldehyde, 2-(4-methylphenoxy)acetaldehyde, p-Cresoxyacetaldehyde

CAS 67845-46-9Formula C9H10O2Molar mass 150.18 g/molEC 267-317-6
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant
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p-Methylphenoxyacetaldehyde chemical structure, C9H10O2, CAS 67845-46-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67845-46-9
Formula
C9H10O2
Molar mass
150.18 g/mol
Physical form
Liquid
HS code
291249
Category
Synthetic aroma chemicals
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is p-Methylphenoxyacetaldehyde?

Plain description, key identifiers and synonyms

p-Methylphenoxyacetaldehyde is a chemical substance with the molecular formula C9H10O2 and a molar mass of 150.18 g/mol. Its CAS registry number is 67845-46-9. The IUPAC name is 2-(4-methylphenoxy)acetaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(4-methylphenoxy)acetaldehyde
CAS number
67845-46-9 CAS number cross-checked
EC number
267-317-6
Molecular formula
C9H10O2
UNII
HQL6T929HS
INCI name
METHYLPHENOXY-ACETALDEHYDE
InChIKey
KWNAUDMYKHHEOA-UHFFFAOYSA-N
InChI
InChI=1S/C9H10O2/c1-8-2-4-9(5-3-8)11-7-6-10/h2-6H,7H2,1H3
SMILES (canonical and isomeric)
CC1=CC=C(C=C1)OCC=O

Synonyms

  • (4-Methylphenoxy)acetaldehyde
  • 2-(4-methylphenoxy)acetaldehyde
  • p-Cresoxyacetaldehyde
  • Acetaldehyde, (4-methylphenoxy)-
  • p-Methylphenyloxyacetaldehyde
  • Acetaldehyde, 2-(4-methylphenoxy)-
  • Acetaldehyde, p-tolyloxy-
  • 2-(p-Tolyloxy)acetaldehyde
  • Acetaldehyde, para-methyl phenoxy
  • 4-methylphenoxyacetaldehyde
  • para-methyl phenoxyacetaldehyde

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

Physical form
Liquidexp.

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
150.18 g/molcalc.
Exact mass
150.0681 Dacalc.
LogP (octanol/water)
1.57calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.22calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
Precautionary statements (19)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

p-Methylphenoxyacetaldehyde suppliers

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p-Methylphenoxyacetaldehyde 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 METHYLPHENOXY-ACETALDEHYDE(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 p-Methylphenoxyacetaldehyde is traded under.

HS 2912.49Indicative HS code

Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…

World exports in 2024
$159M
−9.6% vs 2023, imports $171M
2019 to 2024
Top exporters
  1. China36.7%
  2. India * partner reported27.5%
  3. Germany13.9%
Top importers
  1. China16.0%
  2. United States15.7%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about p-Methylphenoxyacetaldehyde, based on the data on this page

What is p-Methylphenoxyacetaldehyde?

p-Methylphenoxyacetaldehyde is a chemical substance with the molecular formula C9H10O2 and a molar mass of 150.18 g/mol. Its CAS registry number is 67845-46-9. The IUPAC name is 2-(4-methylphenoxy)acetaldehyde.

What is the CAS number of p-Methylphenoxyacetaldehyde?

The CAS registry number of p-Methylphenoxyacetaldehyde is 67845-46-9.

What is the molecular formula and weight of p-Methylphenoxyacetaldehyde?

The molecular formula of p-Methylphenoxyacetaldehyde is C9H10O2 and its molar mass is 150.18 g/mol.

What is p-Methylphenoxyacetaldehyde used for?

Known uses and roles of p-Methylphenoxyacetaldehyde include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, aldehydes and ketones in flavors and fragrances, phenolic and vanillic notes in flavors and fragrances, perfuming and 1 more.

Is p-Methylphenoxyacetaldehyde hazardous?

p-Methylphenoxyacetaldehyde carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of p-Methylphenoxyacetaldehyde?

p-Methylphenoxyacetaldehyde is usually classified under HS code 291249 (Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy p-Methylphenoxyacetaldehyde?

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What is the price of p-Methylphenoxyacetaldehyde?

Suppliers quote p-Methylphenoxyacetaldehyde 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 p-Methylphenoxyacetaldehyde

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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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