Overview
2-Methyltetrahydrofuran-3-thiol (CAS 57124-87-5 ), also known by its FEMA 3787 designation, is a sulfur-containing heterocyclic compound used as a flavoring agent in food and fragrance applications.
It delivers a roasted, meaty, coffee-like character at very low use levels, making it a high-impact aroma chemical for flavor houses and formulators. In food flavoring, it is used to build or reinforce roasted meat profiles.
This compound is essential for coffee and savory profiles in processed foods, seasonings, and ready-meal formulations. Fragrance developers incorporate it into compositions targeting smoky or gourmand olfactive directions where sulfur-forward nuances are required.
Its potency at trace concentrations suits beverage flavoring, particularly in coffee and cocoa-based products where authentic roast character is a formulation target. It ensures a deep, complex sensory experience in various applications.
In pharmaceutical and cosmetic contexts, it may serve as a trace odorant or masking component in formulations where controlled sulfurous notes are technically specified. This versatility makes it a valuable tool for specialized chemical manufacturing.
2-Methyltetrahydrofuran-3-thiol is supplied as a liquid, typically in small to medium pack sizes reflecting its high-impact nature and low use rates. It is available in food-grade quality meeting FEMA-recognized status.
The product is manufactured to meet high purity specifications, generally at 98% or higher for flavor industry supply. It adheres to rigorous safety and quality protocols to ensure consistency across all commercial batches.
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Physical Properties
| Boiling Point | 160-180 °C |
| Density | 1.04 g/mL at 25 °C(lit.) |
| Flash Point | 30 °C |
| Appearance | Colorless to light yellow liqui |
| Color | Clear colorless to pale yellow |
| Odor | at 0.10 % in propylene glycol. roasted beef chicken meat sulfurous |
| Form | Liquid |
| Water Solubility | insoluble |
| Refractive Index | 1.473-1.491 |
| Log P | 0.62 |
Safety & Handling
Warning GHS02 GHS07 Hazard Statements H226 H226 H315 H315 H319 H319 H335 H335 Precautionary Statements P210 P210 P233 P233 P240 P240 P241 P241 P242 P242 P243 P243 P261 P261 P264 P264 P271 P271 P280 P280 P319 P319 P321 P321 P405 P405 P501 P501 P264+P265 P264+P265 P302+P352 P302+P352 P304+P340 P304+P340 P332+P317 P332+P317 P337+P317 P337+P317 P362+P364 P362+P364 P370+P378 P370+P378 P403+P233 P403+P233 P403+P235 P403+P235 P303+P361+P353 P303+P361+P353 P305+P351+P338 P305+P351+P338
Trade & Regulatory
| HS Code | 29321900 |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 57124-87-5
- EC Number
- 260-572-4
- Mol. Weight
- 118.20
- HS Code
- 29321900
- Category
- Flavors & Fragrances