Methyl 3-(Furfurylthio)Propionate (CAS 94278-26-9) — Mid Note Fragrance Ingredient
Methyl 3-(Furfurylthio)Propionate
CAS 94278-26-9
What Is Methyl 3-(Furfurylthio)Propionate?
Methyl 3-(Furfurylthio)Propionate (CAS 94278-26-9) is an aroma chemical used as a fragrance and flavour ingredient. Its odour is described as bakery, fish and garlic, placing it within the fruity family as a mid note with low volatility. With a molecular weight of 200.2 (formula C9H12O3S), it is handled by perfumers as a building block for compositions where a bakery character is desired. The data below is compiled from public chemical and regulatory sources.
Safety Profile
USE WITH AWARENESS
What Does Methyl 3-(Furfurylthio)Propionate Smell Like?
The odour profile of Methyl 3-(Furfurylthio)Propionate is reported as bakery, fish, garlic, spices, cold, sour, burnt, acid, warm, musky, sweaty, ammonia/urinous, decayed, wood, grass, flower, chemical, edible, roasted. The dominant facet is its bakery character, with the remaining notes adding nuance and complexity. As a mid note it contributes to the heart of a fragrance. Perceived intensity and exact character depend on concentration, the carrier and the surrounding accord.
Scent Profile
Profile derived from public odour-descriptor data; relative, not absolute.
Chemistry & Properties
The Chemistry
Methyl 3-(Furfurylthio)Propionate has the molecular formula C9H12O3S and a molecular weight of 200.2 g/mol. Its canonical SMILES representation is COC(=O)CCSCC1=CC=CO1. Its reported log P (XLogP) of 2.08 indicates a lipophilic, oil-soluble molecule, which informs how it partitions in a formula. Physical constants below are drawn from PubChem and EPA CompTox public datasets.
Physical & Chemical Properties
| Molecular Weight | 200.2 g/mol |
|---|---|
| Boiling Point | 260.0 °C |
| Melting Point | 36.05 °C |
| Flash Point | 119.5 °C |
| Density | 1.51 g/cm³ |
| Vapor Pressure | 0.00341 mmHg |
| Water Solubility | 0.005398 g/L |
| XLogP | 2.08 |
Perfumer Guide
Alternatives & Comparisons
Ingredients occupying a similar odour space — useful as substitutes or companions when Methyl 3-(Furfurylthio)Propionate is unavailable or restricted.
Shares bakery, sweet, fish character — a candidate substitute or companion in the same odour space.
Shares bakery, fruit, fish character — a candidate substitute or companion in the same odour space.
Shares bakery, sweet, fish character — a candidate substitute or companion in the same odour space.
Safety & Regulatory
⚠ Regulatory Disclaimer
General reference only. IFRA, REACH and EU Cosmetics Regulation standards update periodically. Consult the current IFRA Standards Library before formulating. Not legal or regulatory advice.
IFRA Status
No IFRA restriction recorded in the data set. This is not a guarantee of unrestricted status — always confirm against the current IFRA Standards Library.
GHS Classification
Signal word: Warning
Open Methyl 3-(Furfurylthio)Propionate in Fragrance Studio (Pro) for the calibrated vapour-pressure curve, the modelled odour-threshold estimate, and the substitute-matching engine across 2,900+ aromachemicals.
References & Sources
- PubChem Compound Summary (NIH) — search by InChIKey
- EPA CompTox Chemicals Dashboard — physicochemical & fate data
- IFRA Standards Library (49th / 51st Amendment)
Data: PubChem (NIH), EPA CompTox, IFRA. Last reviewed: Jun 2026.
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