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TETRAHYDROQUINOLINE

CAS
—
EC
—
Material type
synthetic aroma chemical
Canonical source
arctander
Formulation

Usage guidance

Suggested min
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Suggested max
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Cost
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Stock
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Compatibility tags
leatherchypreanimalictobaccooriental
How it behaves

Olfactory profile

Family
sweet
Note tendency
Middle
Descriptors
sweetcaramellichoneyanimal

A dark, animalic-leather aroma with a distinctly phenolic, quinoline-like character — reminiscent of birch tar and old leather bindings. Dries down dry, smoky, and slightly fecal-earthy, giving deep animalic warmth to leather and chypre bases.AI · claude-opus-4-7

Intensity
8 / 10
Tenacity
9 / 10
Volatility
2 / 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. 2927

Arctander monograph

Perfume and Flavor Chemicals, page 1300.

sweetcaramellichoneyanimal
MW
133.2
BP
248°C
MP
22°C
Sp.Gr.
1.06
Refractive n
—
Rotation
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Appearance

Colorless or pale yellowish liquid.

Solubility

Slightly soluble in water, soluble in alcohol and oils.

Odor

Rather rough or harsh-caramellic-honey-like, sweet odor with discrete animal character.

Uses in perfumery

The material resembles para-Methylquinoline with respect to odor, but it has not become nearly as well known or popular in perfumery.

Production

Produced by reduction of Quinoline with Tin and Hydrochloric acid, or with Hydrogen in presence of a catalyst.

Identity
Aliases · 1
1,2,3,4-Tetrahydroquinoline
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).