(4-Methylphenyl)acetaldehyde is a member of phenylacetaldehydes.
Definition
(4-Methylphenyl)acetaldehyde is a member of phenylacetaldehydes.
Source: PubChem
US FDA substance register · UNII 7L6760H4LH · registered name LILAC ACETALDEHYDE · single chemical substance
Syringaldehyde is the organic compound that conforms to the formula
Cosmetic roles
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 104-09-6
- EC No.EU chemical inventory number
- 203-173-2
- DTXSIDUS EPA chemical ID
- DTXSID0051524
- DTXCIDUS EPA compound ID
- DTXCID6030073
- IUPAC
- (4-Methylphenyl)acetaldehyde
- Molecular formula
- C9H10O
- Molecular weight
- 134.178 g/mol
Measured properties
- Appearance
- Solid · Colourless oily liquid, powerful, refreshing, green-fruity, forest like, sweet floral odour
- Boiling point
- 221.00 to 222.00 °C. @ 760.00 mm Hg · 210 °C
- Melting point
- 40 °C
- Solubility
- 1162 mg/L @ 20 °C (exp) · Insoluble in water, soluble in oils
- Density
- 1.010-1.016
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 4 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.
- Fragrance2
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 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 1 studies
- SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
- Gelatin-Syringaldehyde-Zinc Hydrogel: A Triple-Action Bioactive Dressing for Infected Wound Regeneration. · 2026
- A transparent PVA-based polymer sunscreen protects retinal tissue from ultraviolet damage. · 2026
- Exploring the therapeutic potential of syringaldehyde in imiquimod-induced psoriasis model in mice via NF-κB pathway inhibition · 2025
- Laccase-Mediator System Using a Natural Mediator as a Whitening Agent for the Decolorization of Melanin · 2021
- Defence against Bremia lactucae conferred by the resistance gene Dm7 in lettuce is broken by treatment with dichloroisonicotinic acid · 2021
Linked databases 12
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 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