PF
← Ingredient library
← prevnext →

Phenylacetaldehyde

RESTRICTION
CAS
122-78-1
EC
Material type
other
Canonical source
document derived
Formulation

Usage guidance

Suggested min
Suggested max
Cost
Stock
Compatibility tags
white-floralhyacinthhoney-accordnarcissusrosechypre
How it behaves

Olfactory profile

Family
green
Note tendency
Top
Descriptors
mustygreenherbaceous

Sweet, honeyed floral with a pronounced hyacinth and green-narcissus character. Opens sharp and slightly harsh, almost fermented-honey, then softens into a rounded floral facet reminiscent of lilac and rose leaves.AI · claude-opus-4-7

Intensity
8 / 10
Tenacity
3 / 10
Volatility
8 / 10
Reverse-composition

Contained in

Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.

Ingredient%Range
Phenylethyl Alcohol0.1–0.5%
chemicals · No. 2486

Arctander monograph

Perfume and Flavor Chemicals, page 1083.

tenacity · moderate
mustygreenherbaceous
MW
166.22
BP
230°C
MP
Sp.Gr.
0.95
Refractive n
Rotation
Appearance

Colorless mobile liquid.

Solubility

Practically insoluble in water, soluble in alcohol and oils.

Odor

Slightly musty, green-herbaceous odor of moderate to poor tenacity.

Uses in perfumery

This acetal has been suggested for use in perfume compositions, but its odor type and overall character leaves much to be desired.

Production

Produced from Benzyl magnesium chloride and (iso)Propyl-ortho-formate.

Document-derived

IFRA restrictions

CategoryKindMax %NotesSource
Category 1Max %0.045%
DOC
Category 2Max %0.014%
DOC
Category 3Max %0.27%
DOC
Category 4Max %0.25%
DOC
Category 5AMax %0.064%
DOC
Category 5BMax %0.064%
DOC
Category 5CMax %0.064%
DOC
Category 5DMax %0.021%
DOC
Category 6Max %0.15%
DOC
Category 7AMax %0.52%
DOC
Category 7BMax %0.52%
DOC
Category 8Max %0.021%
DOC
Category 9Max %0.49%
DOC
Category 10AMax %0.49%
DOC
Category 10BMax %1.8%
DOC
Category 11AMax %0.021%
DOC
Category 11BMax %0.021%
DOC
Category 12No restrictionNo Restriction
DOC

Compliance-support only. Values resolved from the current IFRA corpus; each row cites the document excerpt it came from. Not a substitute for a qualified safety assessor.

Identity
Aliases · 11
Phenylacetaldehyde1-Oxo-2-phenylethaneBenzeneacetaldehydeBenzylcarboxaldehydeDI-iso-PROPYLACETALHyacinthinPhenyl acetic aldehyde (pure)Phenylacetaldehyde di-propylacetalPhenylacetic aldehydeα-Tolualdehydeα-Toluic aldehyde
Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).