Aroma molecule
8-thiol
Smells ofsulfurous, grapefruit, tropical, catty
Found in 2 ingredients. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.
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- Formula
- —
- Mass
- —
- CAS
- —
- PubChem
- —
- FEMA
- 3177 · GRAS · verify
- Threshold
- —
- Class
- —
- Status
- Aroma-active
01How little it takes
No published odour threshold on file for 8-thiol.
02Where it turns up
- Fruit1
- Meat & fish1
of the 2 ingredients that contain it, by food group
03What it travels with
Too few ingredients to say what it travels with.
What does 8-thiol smell like?
Sources describe it as sulfurous, grapefruit, tropical, catty.
How this molecule is described
- citrus FlavorDB 2.0, Flavordb Odor Column 2 sources agree
- fruity, garlic, seasoning FlavorDB 2.0, Flavordb Odor Column 2 sources agree
- sulfurous, grapefruit, tropical, catty shown above Llm Adjudicated
Ordered by how many independent descriptor streams give each wording, then by how often it appears. The bar is replication (one source copied onto many ingredients scores high), not corroboration.
Which foods contain 8-thiol?
We list 2 ingredients that contain it, but presence is not the same as smell. What matters is how much is there compared with how little it takes to notice it. That ratio is the odour activity value (OAV): above 1, you can smell it.
Found in
Measured foods first, then real food profiles, then thin or composite records (marked). The figure beside each is how many compounds that ingredient has in total, not the amount of 8-thiol in it. ✓n = sources that recorded the link.
How strong is 8-thiol?
We hold no published odour threshold for 8-thiol, so we cannot say how little of it you could smell.
Is 8-thiol safe to eat?
A substance matching this name is listed by FEMA as generally recognized as safe (GRAS) for use as a flavoring: FEMA number 3177, published in GRAS 4. Check current FDA and EFSA guidance for your market and use level.
- FEMA number
- 3177 ? partial match
- Publication
- GRAS 4
- FEMA name
- P-MENTHA-8-THIOL-3-ONE
Use-level matrix not extracted for this substance; check the source publication for current ppm guidance.
Source: FEMA GRAS publications 1–33. 1 related FEMA record for this name; verify the exact substance for regulatory use.
8-thiol questions
What does 8-thiol smell like?
Sources describe 8-thiol as sulfurous, grapefruit, tropical and catty.
Which foods contain 8-thiol?
We list 2 ingredients that contain 8-thiol.
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Cite this analysis
Compound Kitchen (2026). 8-thiol compound data sheet. https://compkitchen.com/compound/8-thiol. Accessed 2026-11-03.
@misc{compkitchen_compound_8_thiol_compound_data_sheet_2026,
title = {8-thiol compound data sheet},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compound/8-thiol},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.