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THIOPROPANAL-S-OXIDE

CAS
—
EC
—
Material type
synthetic aroma chemical
Canonical source
arctander
How it behaves

Olfactory profile

Family
green
Note tendency
Top
Descriptors
sulfurouspungentlachrymatoryonionsharpgreen

The lachrymatory factor of onion — an intensely pungent, tear-inducing sulfurous volatile with a sharp, raw onion character. Extremely irritating and not used in fine fragrance; more of a flavor/aroma chemistry curiosity than a perfumery material.AI · claude-opus-4-7

Intensity
10 / 10
Tenacity
2 / 10
Volatility
9 / 10
Members

The rest of this material

Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.

chemicals · No. 2938

Arctander monograph

Perfume and Flavor Chemicals, page 1306.

MW
90.15
BP
—
MP
—
Sp.Gr.
—
Refractive n
—
Rotation
—
Identity
Aliases · 2
Onion lachrymatorPropyl thioaldehyde sulfoxide
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).