P-methoxybenzaldehyde is a member of the class of benzaldehydes consisting of benzaldehyde itself carrying a methoxy substituent at position 4.
How much products actually contain
No product states its amount yet.
Of the products containing it, 0 list it before the 1% line and 1 after it (usually 1% or less).
Products using this ingredient
1 of 1 confirmed · likeliest to carry enough first
Definition
P-methoxybenzaldehyde is a member of the class of benzaldehydes consisting of benzaldehyde itself carrying a methoxy substituent at position 4. It has a role as an insect repellent, a plant metabolite, a bacterial metabolite and a human urinary metabolite.
Source: PubChem
US FDA substance register · UNII 9PA5V6656V · registered name p-Anisaldehyde · single chemical substance
Cosmetic roles
Safety & regulatory references
- Restricted
- International fragrance standard (IFRA)
Source: IFRA fragrance standards
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name アニスアルデヒド: 本品は、次の化学式で表される有機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 123-11-5
- EC No.EU chemical inventory number
- 204-602-6
- DTXSIDUS EPA chemical ID
- DTXSID2026997
- DTXCIDUS EPA compound ID
- DTXCID906997
- IUPAC
- 4-Methoxybenzaldehyde
- Molecular formula
- C8H8O2
- Molecular weight
- 136.15 g/mol
Measured properties
- Appearance
- Liquid, Dry Powder, CBI · Colorless to pale yellow liquid, [Hawley] Colorless liquid, [MSDSonline]
- Odour
- Hawthorn odor · Odor resembles that of coumarin
- Boiling point
- 255 °C · 248.00 to 249.00 °C. @ 760.00 mm Hg
- Melting point
- 0 °C
- Solubility
- In water, 4.29X10+3 mg/L at 25 °C · Insoluble in water
- Density
- 1.1191 g/cu cm at 15 °C · 1.115-1.123
- Stability
- Stable under recommended storage conditions.
- Viscosity
- Dynamic viscosity = 4.22 mPa s at 25 °C 2017 · 0.77 cP(131 C)
- Melting/freezing point
- -1~3 ℃
- Initial boiling point and range
- 247~250 ℃
- Flash point
- 108 ℃
- Upper/lower flammability or explosive limits
- 5.3 / 1.4 %
- Vapour pressure
- 133.5 ㎜Hg(at 73 C)
- Vapour density
- 4.7
- Relative density
- 1.119~1.123
- n-Octanol/water partition coefficient (Kow)
- 1.76
- Auto-ignition temperature
- 220 ℃
- Molecular weight
- 136.15
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 365 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Fragrance356
- Flavouring and nutrient4
- Deodorizer3
- Processing aids not otherwise specified1
- Preservative1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Not classified
Skin Sensitization · Screening - Not classified
Skin Irritation · Screening - Not classified
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Synthesis, Characterization, and Micellar Behavior of Amphiphilic Chitosan Bearing Sulfate and Anisaldehyde Imine Groups · 2025
- Study on the preservation of strawberries by p-anisaldehyde encapsulated in cyclodextrin-based metal-organic frameworks · 2025
- Multi-biological activity evaluation of Sn(П), Zn(П) and Fe(П) complexes based on thiocarbohydrazide schiff bases: synthesis, spectroscopic investigations and fluorescence studies · 2025
- Wound dressing membranes based on immobilized Anisaldehyde onto (chitosan-GA-gelatin) copolymer: In-vitro and in-vivo evaluations. · 2022
- Radical scavenging activity and metabolomic profiling study of ylang-ylang essential oils based on high-performance thin-layer chromatography and multivariate statistical analysis. · 2021
Linked databases 21
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- IFRA fragrance standards
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese