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ISO-BUTYL ISO-THIOCYANATE

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

Usage guidance

Suggested min
—
Suggested max
—
Cost
—
Stock
—
Compatibility tags
green
How it behaves

Olfactory profile

Family
green
Note tendency
Top
Descriptors
greensweet

Extremely pungent, sulfurous top note reminiscent of mustard, horseradish and crushed cress. In heavy dilution it becomes a green, watery-vegetal facet useful for galbanum, watercress and mustard-seed effects; neat it is eye-watering and lachrymatory.AI · claude-opus-4-7

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

The rest of this material

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chemicals · No. 537

Arctander monograph

Perfume and Flavor Chemicals, page 224.

sharppungentgreenvegetable
MW
115.2
BP
162°C
MP
—
Sp.Gr.
0.96
Refractive n
—
Rotation
—
Appearance

Colorless or very pale yellowish mobile liquid.

Solubility

Insoluble in water, soluble in alcohol and oils.

Odor

Lacrymator. Sharp, pungent, green-vegetable odor. In dilution it is less sweet than the secondary-Butylester, but more natural than the n-Butylester.

Flavor

Overall, this ester is of very little interest, but it has been suggested for use in flavor compositions for soups, dressings, sauces, spice blends, pickles, etc.

Uses in flavor

Suggested for use in flavor compositions for soups, dressings, sauces, spice blends, pickles, etc.

Production

Produced from iso-Butylamine plus Carbon disulfide plus basic Lead acetate.

Identity
Aliases · 3
iso-Butyl mustard oiliso-Butyl-rhodanideSpoonwort oil, artificial
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).