2-butylisothiocyanate
sulfideFound in 3 ingredients across the CompKitchen flavor graph.
Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.
Properties
- Odor description
- green
- Odor threshold
- 90.0 ppb (1 source, non-SIDA)
- CAS number
- 4426-79-3
- Retention index
- 899
FEMA GRAS — Generally Recognized As Safe for flavoring use
- FEMA number
- 4419
- GRAS publication
- GRAS 23
- FEMA primary name
- 2-Butylisothiocyanate
Reported use levels (ppm by food category)
Typical vs maximum reported addition levels in finished food. Use as a regulatory ceiling reference — verify against the current GRAS publication for your product category.
| Food category | Typical (ppm) | Maximum (ppm) |
|---|---|---|
| baked goods | 2 | 20 |
| beverages (alcoholic) | 1 | 10 |
| beverages (nonalcoholic) | 1 | 10 |
| cheese | 0.5 | 5 |
| chewing gum | 5 | 50 |
| condiments/ relishes | 15 | 80 |
| fats/oils | 1 | 10 |
| fish products | 1 | 5 |
| frozen dairy | 1 | 5 |
| gravies | 1 | 10 |
| hard candy | 2 | 20 |
| imitation dairy | 1 | 10 |
| meat products | 0.5 | 5 |
| nut products | 0.5 | 5 |
| processed vegetables | 0.5 | 5 |
| reconstituted vegetables | 0.5 | 5 |
| seasonings/ flavors | 5 | 50 |
| snack foods | 1 | 10 |
| soft candy | 2 | 20 |
| soups | 0.5 | 5 |
Thresholds in published tables
Numbers printed in open-access papers, grouped by the medium the table states. Median and full range of the values; “agree” means two or more papers whose middle 80% of values sit within 100×. Not reviewed.
| Medium | Median | Range | Values | Papers | Papers agree? |
|---|---|---|---|---|---|
| air | 3.54 µg/L air | 3.54–3.54 | 3 | 1 | one paper |
| water | 90 ppb | 90–90 | 1 | 1 | one paper |
Found in
Measured impact first, then profile shareEvery ingredient known to contain 2-butylisothiocyanate. Ingredients with a measured concentration come first, ranked by odour activity; the rest follow by how large a share of that ingredient's profile this molecule is. The figure beside each is how many different compounds that ingredient has in total — not the concentration of 2-butylisothiocyanate in it.
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Try the pairing tools to see which ingredient combinations rely on 2-butylisothiocyanate, or compare two ingredients side-by-side.